Shimokawa Koya 下川航也

… Alternative Names

Researcher Number	60312633
Other IDs	https://orcid.org/0000-0001-7196-9060
Affiliation (Current)	2020: 埼玉大学, 理工学研究科, 教授
Affiliation (based on the past Project Information) *help	2013 – 2020: 埼玉大学, 理工学研究科, 教授 2013: 埼玉大学, 大学院・理工学研究科, 教授 2010 – 2012: 埼玉大学, 理工学研究科, 准教授 2010: 埼玉大学, 大学院・理工学研究科, 准教授 2008: Saitama University, 大学院・理工学研究科, 准教授 … More
Review Section/Research Field	Principal Investigator Geometry / Geometry / Mathematical Sciences in Search of New Cooperation / Science and Engineering / Medium-sized Section 11:Algebra, geometry, and related fields Except Principal Investigator Geometry / Geometry / Algebra / General mathematics (including Probability theory/Statistical mathematics) / Science and Engineering
Keywords	Principal Investigator 結び目 / デーン手術 / DNA / 格子結び目 / ポリマー / トポロジー / 双曲多様体 / 位相幾何 / 3次元多様体 / 本質的曲面 … More Except Principal Investigator 熱核 / 断熱展開 / トポロジー / ゼータ関数 / 接触リーマン多様体 / 結び目理論 / Heegaard splitting / Dehn surgery / Lie algebroid / almost Dirac structure / Dirac structure / 保型形式 / モジュラ形式 / 半整数の重さのモジュラ形式 / ジーゲルモジュラ形式 / ヤコビ形式 / ヤュビ形式 / 半整数9重さ9モジュラ形式 / 有限群 / 漸近展開 / Kohn-Rossi Lalacian / CR-多様体 / Heisenberg群 / Kohn-Rossi Laplacian / Tanaka-Webster接続 / Tanno接続 / 球面 / ラプラス作用素 / 初等関数表示 / 3次元多様体 / 空間グラフ / 数理モデル / 双曲幾何 / 可積分系 / 領域選択ゲーム / 位相幾何 / ラプラシアン / 山辺問題 / Laplacian / asymptotic expansion / adiabatic expansion / リー変換群 / 非コンパクト群 / 固定点 / 4次元球面 / 2次特殊複素線形群 / 2次特殊復素線形群 / グラフ理論 / Lie transformation group / non-compact group / fixed point / four dimensional sphere / complex special linear group / グラフの調和写像 / 離散ラプラシアン / 非斉次ヤング・ミルズ方程式 / アインシュタイン・ワイル幾何学 / 総実代数体 / ラムダ不変量 / デーン手術 / ヘゴール分解 / CR manifold / pseudoharmonic map / Yang-Mills theory / Einstein-Weyl geometry / Greenberg's conjecture / P-class number / 無限グラフ / スペクトル / グリーン核 / 岩澤不変量 / Z_P拡大 / Greenberg予想 / Harmonic morphism of graph / Discrete Laplacian / Inhomogeneous Yang-Mills equation / Einstein-Wey1 geometry / Totally real field / Lambda invariant / スピン / 四元数スピン / トウィスター空間 / カイラルアノマリー / ディラック作用素 / ディラック / トウィスター / 断熱 / スーパートレース / カイラルギャップ / カイラル / 断熱変換 / Spin / Spin^q / twistor space / chiral anomaly / Dirac operator / 写像の特異点 / トム=ボードマン集合 / 摂動 / コーエン=マコーレイ性 / 古典微分幾何 / ジェット空間 / 臍点と曲率線 / 特異点論 / 指数 / 写像度 / オイラー数 / 劣解析写像 / ブロー解析写像 / Lipschitz性 / 自由分解 / 幾何学的方法 / Cohen-Macaulay性 / Lipshitz性 / Sardの定理 / Thom-Boardman多様体 / 実解析関数の特異点 / ブロー解析的写像 / Singularity of Map / Thom-Boardman set / pertuabtion / Cohen-Macaulay property / classical differential geometry / jet sapce / umblics and line of curvature / Poisson多様体 / スカウテン・ブラケット / 多重ベクトル場 / 特異葉層構造 / ディラック構造 / Poisson manifold / Schouten bracket / multi-vector field / singular foliation / 物理 / 化学 / 生物 / 離散幾何学 / 材料設計 / 階層ネットワーク Less

Research on spatial graphs in the simple cubic lattice and its application to polymer sciencePrincipal InvestigatorOngoing
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 11:Algebra, geometry, and related fields
- Research Institution
  Saitama University
Discrete Geometric Analysis for materials designOngoing
- Principal Investigator
  
  小谷元子
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Tohoku University
3次元トポロジーに基づく静的・動的ネットワークの提案Principal InvestigatorOngoing
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Saitama University
Research on knot theory and its applicationPrincipal InvestigatorOngoing
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Topology and entropy of polymersPrincipal Investigator
- Principal Investigator
  
  SHIMOKAWA Koya
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Saitama University
結び目やグラフのトポロジーを応用した新高分子理論に基づく特性・機能創出Principal InvestigatorOngoing
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Mathematical Sciences in Search of New Cooperation
- Research Institution
  Saitama University
Application of knot theory to molecular biologyPrincipal Investigator
- Principal Investigator
  
  SHMOKAWA Koya
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Studies of knot theory and their applications
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
Study on the general adiabatic expansion theory for Laplacian and its some applications
- Principal Investigator
  
  NAGASE Masayoshi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Application of knot theory to biologyPrincipal Investigator
- Principal Investigator
  
  SHIMOKAWA Koya
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Studies of Knot Theory
- Principal Investigator
  
  KAWAUCHI Akio
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geometry
- Research Institution
  Osaka City University
Study on the general adiabatic expansion theory for heat kernels and its some applications
- Principal Investigator
  
  NAGASE Masayoshi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
An arithmetic study of modular forms of half integral weight and Siegel modular forms
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Saitama University
Research on knot theory using essential surfacesPrincipal Investigator
- Principal Investigator
  
  SHIMOKAWA Koya
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Geometry of singularities of mapping II
- Principal Investigator
  
  FUKUI Toshizumi
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Research On the Geometry Related with Structures of Manifolds and Plane Fields
- Principal Investigator
  
  MIZUTANI Tadayoshi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Research on finite Dehn surgeries on knots and linksPrincipal Investigator
- Principal Investigator
  
  SHIMOKAWA Koya
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
Study on the anomaly of Spin^q manifolds
- Principal Investigator
  
  NAGASE Masayoshi
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
3次元多様体基本群の表現に関する研究Principal Investigator
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geometry
- Research Institution
  Saitama University
  Tohoku University
3次元多様体基本群の表現に関する研究Principal Investigator
- Principal Investigator
  
  下川航也
- Project Period (FY)
  2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geometry
- Research Institution
  Tohoku University
GEOMETRY OF NUMBERS AND CODING THEORY
- Principal Investigator
  
  UCHIDA Koji
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Tohoku University
Lie transformation group of non-compact groups
- Principal Investigator
  
  ASOH Toru
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Tohoku University

[Book] Topology of Polymers2019
- Author(s)
  Shimokawa, Koya, Ishihara, Kai, Tezuka, Yasuyuki
- Total Pages
  89
- Publisher
  Springer, SpringerBriefs in the Mathematics of Materials
- ISBN
  9784431568865
- Data Source
  KAKENHI-PLANNED-17H06463
[Book] Topology of Polymers2019
- Author(s)
  Shimokawa, Koya, Ishihara, Kai, Tezuka, Yasuyuki
- Total Pages
  89
- Publisher
  Springer, SpringerBriefs in the Mathematics of Materials
- ISBN
  9784431568865
- Data Source
  KAKENHI-PROJECT-16H03928
[Book] Topology of Polymers2019
- Author(s)
  Shimokawa, Koya, Ishihara, Kai, Tezuka, Yasuyuki
- Total Pages
  89
- Publisher
  Springer, SpringerBriefs in the Mathematics of Materials
- ISBN
  9784431568865
- Data Source
  KAKENHI-PROJECT-19K21827
[Book] Proceeding of the international conference "Statistical physics and topology of polymers with ramifications to structure and function of DNA and proteins"2011
- Author(s)
  Edited by Tetsuo Deguchi, Hisao Hayakawa, Koya Shimokawa, Andrzej Stasiak and Kyoichi Tsurusaki.
- Publisher
  Progress of Theoretical Physics Supplement 191
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Metal-peptide rings form highly entangled topologically inequivalent frameworks with the same ring- and crossing-numbers2019
- Author(s)
  T. Sawada, A. Saito, K. Tamiya, K. Shimokawa, Y. Hisada, M. Fujita
- Journal Title
  
  Nature Commun.
  
  Volume: 10 Pages: 921-921
- DOI
  10.1038/s41467-019-08879-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-ORGANIZER-17H06460, KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-15H05481
[Journal Article] A metal-peptide capsule by multiple ring threading2019
- Author(s)
  Sawada Tomohisa、Inomata Yuuki、Shimokawa Koya、Fujita Makoto
- Journal Title
  
  Nature Communications
  
  Volume: 10 Pages: 5687-5687
- DOI
  10.1038/s41467-019-13594-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-16H03928, KAKENHI-PROJECT-19J21926
[Journal Article] Neighborhood equivalence for multibranched surfaces in 3-manifolds2019
- Author(s)
  Ishihara Kai、Koda Yuya、Ozawa Makoto、Shimokawa Koya
- Journal Title
  
  Topology and its Applications
  
  Volume: 257 Pages: 11-21
- DOI
  10.1016/j.topol.2019.02.005
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05262, KAKENHI-PROJECT-17K14190, KAKENHI-ORGANIZER-17H06460, KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-16H03928, KAKENHI-PROJECT-16K13751, KAKENHI-PROJECT-17K05254
[Journal Article] Characterising knotting properties of polymers in nanochannels2018
- Author(s)
  N. R. Beaton, J. W. Eng, K. Ishihara, K. Shimokawa, C. E. Soteros
- Journal Title
  
  Soft Matter
  
  Volume: 14 Pages: 5775-5785
- DOI
  10.1039/c8sm00734a
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14190, KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-16H03928, KAKENHI-PROJECT-16K13751
[Journal Article] Dehn surgery and Seifert surface system2017
- Author(s)
  Makoto Ozawa and Koya Shimokawa
- Journal Title
  
  Ann. Sc. Norm. Super. Pisa Cl. Sci. (5)
  
  Volume: XVII Pages: 267-276
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H03928
[Journal Article] Dehn surgery and Seifert surface system2017
- Author(s)
  Makoto Ozawa and Koya Shimokawa
- Journal Title
  
  Ann. Sc. Norm. Super. Pisa Cl. Sci. (5)
  
  Volume: XVII Pages: 267-276
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K13751
[Journal Article] Dehn surgery and Seifert surface systems2017
- Author(s)
  Makoto Ozawa, Koya Shimokawa
- Journal Title
  
  Ann. Sc. Norm. Super. Pisa Cl. Sci. (5)
  
  Volume: XVII Pages: 267-276
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26310206
[Journal Article] Pathways of DNA unlinking: A story of stepwise simplification2017
- Author(s)
  Stolz Robert、Yoshida Masaaki、Brasher Reuben、Flanner Michelle、Ishihara Kai、Sherratt David J.、Shimokawa Koya、Vazquez Mariel
- Journal Title
  
  Scientific Reports
  
  Volume: 7 Pages: 1-11
- DOI
  10.1038/s41598-017-12172-2
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13751, KAKENHI-PROJECT-17K14190, KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-16H03928
[Journal Article] Bounds for minimum step number of knots confined to tubes in the simple cubic lattice2017
- Author(s)
  Ishihara, Kai; Pouokam, Maxime; Suzuki, Atsumi; Scharein, Robert; Vazquez, Mariel; Arsuaga, Javier; Shimokawa, Koya
- Journal Title
  
  Journal of Physics A: Mathematical and Theoretical
  
  Volume: 50 Pages: 215601-215601
- DOI
  10.1088/1751-8121/aa6a4f
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800081, KAKENHI-PROJECT-16K13751, KAKENHI-PROJECT-17K14190, KAKENHI-PLANNED-17H06463, KAKENHI-PROJECT-16H03928
[Journal Article] Dehn surgery and Seifert surface system2016
- Author(s)
  Makoto Ozawa and Koya Shimokawa
- Journal Title
  
  Ann. Sc. Norm. Super. Pisa Cl. Sci. (5)
  
  Volume: -
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25400080
[Journal Article] Band surgeries and crossing changes between fibered links2016
- Author(s)
  Dorothy Buck, Kai Ishihara, Matt Rathbun, and Koya Shimokawa
- Journal Title
  
  J. London Math. Soc.
  
  Volume: 94(2) Pages: 557-582
- DOI
  10.1112/jlms/jdw049
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928, KAKENHI-PROJECT-26310206, KAKENHI-PROJECT-16K13751
[Journal Article] Tangle sums and factorization of A-polynomials2015
- Author(s)
  Masaharu Ishikawa, Thomas W. Mattman, and Koya Shimokawa
- Journal Title
  
  New York Journal of Mathematics
  
  Volume: 21 Pages: 823-835
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Journal Article] Tangle sums and factorization of A-polynomials2015
- Author(s)
  Masaharu Ishikawa, Thomas W. Mattman, and Koya Shimokawa
- Journal Title
  
  New York Journal of Mathematics
  
  Volume: 21 Pages: 823-835
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Journal Article] Site-specific recombination modeled as a band surgery: Applications to Xer recombination2014
- Author(s)
  Kai Ishihara, Koya Shimokawa, and Mariel Vazquez
- Journal Title
  
  Discrete and Topological Models in Molecular Biology
  
  Volume: - Pages: 387-401
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26310206
[Journal Article] Site-specific recombination modeled as a band surgery: Applications to Xer recombination2014
- Author(s)
  Kai Ishihara, Koya Shimokawa, and Mariel Vazquez
- Journal Title
  
  Discrete and Topological Models in Molecular Biology
  
  Volume: 1 Pages: 387-401
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25400080
[Journal Article] FtsK-dependent XerCD-dif recombination unlinks replication catenanes in a stepwise manner2013
- Author(s)
  Koya Shimokawa, Kai Ishihara, Ian Grainge, David J. Sherratt, and Mariel Vazquez
- Journal Title
  
  Proc. Natl. Acad. Sci. U S A
  
  Volume: 110 Pages: 20906-20911
- DOI
  10.1073/pnas.1308450110
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25400080
[Journal Article] Tangle sums, norm curves and cyclic surgeries2013
- Author(s)
  Masaharu Ishikawa, Thomas W. Mattman, and Koya Shimokawa
- Journal Title
  
  RIMS Kokyuroku
  
  Volume: 1836 Pages: 18-33
- Data Source
  KAKENHI-PROJECT-25400080
[Journal Article] Tangle sums, norm curves and cyclic surgeries2013
- Author(s)
  Masaharu Ishikawa, Thomas W. Mattman, and Koya Shimokawa
- Journal Title
  
  数理解析研究所考究録
  
  Volume: 未定
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Site-specific recombination modeled as a band surgery: Applications to Xer recombination2013
- Author(s)
  Kai Ishihara, Koya Shimokawa, and Mariel Vazquez
- Journal Title
  
  Proceeding of International conference "Discrete and Topological Models in Molecular Biology"
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Rational tangle surgery and Xer recombination on catenanes2012
- Author(s)
  下川航也, 他
- Journal Title
  
  Algebr. Geom. Topol
  
  Volume: Vol.12 Pages: 1183-1210
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23540070
[Journal Article] Rational tangle surgery and Xer recombination on catenanes2012
- Author(s)
  Isabel K. Darcy, Kai Ishihara, Ram Medikonduri and Koya Shimokawa
- Journal Title
  
  Algebr. Geom. Topol
  
  Volume: 12 Pages: 1183-1210
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Rational tangle surgery and Xer recombination on catenanes2012
- Author(s)
  Isabel K. Darcy, Kai Ishihara, Ram Medikonduri and Koya Shimokawa
- Journal Title
  
  Algebr. Geom. Topol.
  
  Volume: 12 Pages: 1183-1210
- DOI
  10.2140/agt.2012.12.1183
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Bounds for the minimum step number of knots confined to slabs in the simple cubic lattice2012
- Author(s)
  K. Ishihara, R. Scharein, Y. Diao, J.Arsuaga, M. Vazquez and K. Shimokawa
- Journal Title
  
  J. Phys. A: Math. Theor
  
  Volume: 45 Pages: 65003-65003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Bounds for minimum step number of knots confined to slabs in the simple cubic lattice2012
- Author(s)
  K.Ishihara, R.Scharein, J.Arsuaga, Y.Diao, M.Vazquez, K.Shimokawa
- Journal Title
  
  J.Phys A : Math.Theor.
  
  Volume: 45 Pages: 65003-65003
- DOI
  10.1088/1751-8113/45/6/065003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Rational tangle surgery and Xer recombination on catenanes2012
- Author(s)
  I.KDarcy, K.Ishihara, R.Medikonduri, K.Shimokawa
- Journal Title
  
  Algebr.Geom.Topol.(to appear)
  
  Volume: (印刷中)(未定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Signed Unknotting Number and Knot Chirality Discrimination via Strand Passage2011
- Author(s)
  C.Soteros, K.Ishihara, K.Shimokawa, M.Szafron, M.Vazquez
- Journal Title
  
  Progress of Theoretical Physics Supplement
  
  Volume: 191 Pages: 78-95
- DOI
  10.1143/ptps.191.78
- NAID
  110008798528
- ISSN
  0375-9687
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Band surgeries between knots and links withsmall crossing numbers2011
- Author(s)
  Kai Ishihara and Koya Shimokawa
- Journal Title
  
  Progress of Theoretical Physics Supplement
  
  Pages: 191245-255
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] DNAと結び目理論2011
- Author(s)
  Koya Shimokawa and Mariel Vazquez
- Journal Title
  
  数学
  
  Volume: 63 Pages: 237-242
- NAID
  130004558940
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Signed unknotting number and knot chirality discrimination via strand passage2011
- Author(s)
  Chris Soteros, Kai Ishihara, KoyaShimokawa, Michael Szafron and Mariel Vazquez
- Journal Title
  
  Progress of Theoretical Physics Supplement
  
  Pages: 19178-95
- NAID
  210000129030
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Band Surgeries between Knots and Links with Small Crossing Numbers2011
- Author(s)
  Kai Ishihara and Koya Shimokawa
- Journal Title
  
  Progress of Theoretical Physics Supplement
  
  Volume: Vol.191 Pages: 245-255
- DOI
  10.1143/ptps.191.245
- NAID
  110008798544
- ISSN
  0375-9687
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21244005, KAKENHI-PROJECT-22540066
[Journal Article] The XerCD-FtsK system unlinks replication catenanes in a stepwise manner2011
- Author(s)
  下川航也
- Journal Title
  
  研究集会『結び目の数学III』報告集
  
  Pages: 222-227
- Data Source
  KAKENHI-PROJECT-22540066
[Journal Article] Finite surgeries on three-tangle pretzel knots2009
- Author(s)
  下川航也,他
- Journal Title
  
  Algebr.Geom.Topol. Vol.9
  
  Pages: 743-771
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540063
[Journal Article] Finite surgeries on three-tangle pretzel knots2009
- Author(s)
  Koya Shimokawa 他4名
- Journal Title
  
  Algebr. Geom. Topol 9
  
  Pages: 743-771
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Tangle analysis of DNA unlinking by the Xer/FtsK system2009
- Author(s)
  Koya Shimokawa, Kai Ishihara and MarielVazquez
- Journal Title
  
  To appear in Bussei Kenkyu
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Tangle analysis of DNA unlinking by the Xer/FtsK system2009
- Author(s)
  Koya Shimokawa 他2名
- Journal Title
  
  物性研究 92(掲載決定)
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Finite surgeries on three-tangle pretzel knots2009
- Author(s)
  David Futer, Masaharu Ishikawa, YuichiKabaya, Thomas W. Mattman and KoyaShimokawa
- Journal Title
  
  Algebr.Geom.Topol 9
  
  Pages: 743-771
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Exceptional surgery and boundary slopes2006
- Author(s)
  Masaharu Ishikawa, Thomas W. Mattman, Koya Shimokawa
- Journal Title
  
  Osaka Journal of Mathematics 43.4
  
  Pages: 807-821
- NAID
  120005986808
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Exceptional surgery and boundary slopes2006
- Author(s)
  Masaharu Ishikawa, Thomas W.Mattman and Koya Shimokawa
- Journal Title
  
  Osaka J. Math 43
  
  Pages: 807-821
- NAID
  120005986808
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540013
[Journal Article] Exceptional surgery and boundary slopesOsaka2006
- Author(s)
  Masaharu Ishikawa and Thomas W. Mattman and Koya Shimokawa
- Journal Title
  
  J.Math 43
  
  Pages: 807-821
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540069
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  M.Brittenham, C.Hayashi, M.Hirasawa, T.Kobayashi, K.Shimokawa
- Journal Title
  
  Japan. J. Math 31
  
  Pages: 25-96
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540061
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  M.Brittenham, C.Hayashi, M.Hirasawa, T.Kobayashi, K.Shimokawa
- Journal Title
  
  Japan.J.Math 31
  
  Pages: 25-96
- Data Source
  KAKENHI-PROJECT-15540061
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  M.Brittenham, C.Hayashi, M.Hirasawa, T.Kobayashi, K.Shimokawa
- Journal Title
  
  Japanese J.of Math. 31
  
  Pages: 25-96
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540060
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  K.Shimokawa et al.
- Journal Title
  
  Japan.J.Math 31(未定)
- Data Source
  KAKENHI-PROJECT-15540061
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  M.Brittenham, C.Hayashi, M.Hirasawa, T.Kobayashi, K.Shimokawa
- Journal Title
  
  Japan.J.Math. 31
  
  Pages: 25-96
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540061
[Journal Article] Essential laminations and branched surfaces in the exteriors of links2005
- Author(s)
  M.Brittenham, C.Hayashi, M.Hirasawa, T.Kobayashi, K.Shimokawa
- Journal Title
  
  Japanese Journal of Mathematics 31
  
  Pages: 25-96
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540060
[Journal Article] Tangle sum and constructible spheres2004
- Author(s)
  M.Hachimori, K.Shimokawa
- Journal Title
  
  J.Knot Theory Ramifications
  
  Pages: 373-383
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14540062
[Journal Article] Tangle sum and constructible spheres2004
- Author(s)
  M.Hachimori, K.Shimokawa
- Journal Title
  
  J.Knot Theory Ramifications 13
  
  Pages: 373-383
- Data Source
  KAKENHI-PROJECT-15540060
[Journal Article] Tangle sum and constructible spheres2004
- Author(s)
  M.Hachimori, K.Shimokawa
- Journal Title
  
  J.Knot theory Ramifications 13
  
  Pages: 373-383
- Data Source
  KAKENHI-PROJECT-14540062
[Journal Article] Tangle sum and constructible spheres2004
- Author(s)
  M.Hachimori, K.Shimokawa
- Journal Title
  
  J.Knot Theory Ramifications 13
  
  Pages: 373-383
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540061
[Journal Article] Tangle sum and constructible spheres2004
- Author(s)
  M.Hachimori, K.Shimokawa
- Journal Title
  
  J. Knot Theory Ramifications 13
  
  Pages: 373-383
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540061
[Presentation] 3-dimensional topology and poly-continuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  MATERIALS RESEARCH MEETING 2019, Mathematical Materials Science -Mathematical Approaches for Materials Designs in the Data Driven Society-
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21827
[Presentation] Handlebody decomposition of 3-manifolds and their application2019
- Author(s)
  Koya Shimokawa
- Organizer
  可微分写像の特異点論とその応用
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] Handlebody decomposition of 3-manifolds and their application2019
- Author(s)
  Koya Shimokawa
- Organizer
  可微分写像の特異点論とその応用
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] 3-dimensional topology and poly-continuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  MATERIALS RESEARCH MEETING 2019, Mathematical Materials Science -Mathematical Approaches for Materials Designs in the Data Driven Society-
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] 3-dimensional topology and poly-continuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  MATERIALS RESEARCH MEETING 2019, Mathematical Materials Science -Mathematical Approaches for Materials Designs in the Data Driven Society-
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] トポロジーと高分子科学2019
- Author(s)
  下川航也
- Organizer
  2019年度年会企画特別講演
- Invited
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] トポロジーと高分子科学2019
- Author(s)
  下川航也
- Organizer
  日本数学会 2019年度年会企画特別講演
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] 3-dimensional topology and polycontinuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  The Topology of Nucleic Acids: Research at the Interface of Low-Dimensional Topology, Polymer Physics and Molecular Biology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] 3-dimensional topology and polycontinuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  International Symposium “Polymers and networks via topology and entanglement”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21827
[Presentation] Poly-continuous pattern, networks and 3-dimensional topology2019
- Author(s)
  Koya Shimokawa
- Organizer
  International Symposium "Polymers meet Topology"
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] トポロジーと高分子科学2019
- Author(s)
  下川航也
- Organizer
  日本数学会 2019年度年会企画特別講演
- Invited
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] 3-dimensional topology and polycontinuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  International Symposium “Polymers and networks via topology and entanglement”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] 3-dimensional topology and polycontinuous pattern2019
- Author(s)
  Koya Shimokawa
- Organizer
  International Symposium “Polymers and networks via topology and entanglement”
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] On chirality of molecular graphs2018
- Author(s)
  Koya Shimokawa
- Organizer
  Cyclic & Topologically Complex Polymers, Spring 2018 American Chemical Society Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] Lattice knots and links in tube regions2018
- Author(s)
  Koya Shimokawa
- Organizer
  33rd Summer Conference on Topology and its Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] 結び目理論の高分子科学への応用 -- DNA組換え酵素、高分子化学、材料科学、統計力学的エントロピー--,2018
- Author(s)
  下川航也
- Organizer
  名古屋大学多元数理科学研究科談話会
- Invited
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] 3-dimensional topology and network analysis in soft materials2018
- Author(s)
  Koya Shimokawa
- Organizer
  新学術領域「次世代物質探索のための離散幾何学」キックオフワークショップ
- Int'l Joint Research
- Data Source
  KAKENHI-ORGANIZER-17H06460
[Presentation] 3-dimensional topology and network analysis in soft materials2018
- Author(s)
  Koya Shimokawa
- Organizer
  International kick-off workshop "Discrete Geometric Analysis for Materials Design"
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] On chirality of molecular graphs2018
- Author(s)
  Koya Shimokawa
- Organizer
  Cyclic & Topologically Complex Polymers, Spring 2018 American Chemical Society Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] Knots, links and spatial graphs in the simple cubic lattice2018
- Author(s)
  Koya Shimokawa
- Organizer
  研究集会「トポロジーとコンピュータ2018」
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] 結び目理論の高分子科学への応用 -- DNA組換え酵素、高分子化学、材料科学、統計力学的エントロピー--2018
- Author(s)
  下川航也
- Organizer
  名古屋大学多元数理科学研究科談話会
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] Knots, links and spatial graphs in the simple cubic lattice2018
- Author(s)
  Koya Shimokawa
- Organizer
  2018 Fall AMS Sectional Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-17H06463
[Presentation] Knots, links and spatial graphs in the simple cubic lattice2018
- Author(s)
  Koya Shimokawa
- Organizer
  2018 Fall AMS Sectional Meeting, San Francisco State University
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] Lattice knots and links in tube regions2018
- Author(s)
  Koya Shimokawa
- Organizer
  33rd Summer Conference on Topology and its Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] Lattice knots and links confined in tube region2017
- Author(s)
  Koya Shimokawa
- Organizer
  Conference on Means, Methods and Results in the Statistical Mechanics of Polymeric Systems II
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] Lattice knots and links confined in tube regions2017
- Author(s)
  Koya Shimokawa
- Organizer
  Conference on Means, Methods and Results in the Statistical Mechanics of Polymeric Systems II, Fields Institute, University of Toronto, Canada
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] 結び目理論の応用について -DNA 組換え酵素、高分子化学、統計力学的エントロピー-2016
- Author(s)
  下川航也
- Organizer
  第63 回トポロジーシンポジウム
- Place of Presentation
  神戸大学（兵庫県神戸市）
- Year and Date
  2016-07-07
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] 結び目理論と3 次元トポロジーの化学への応用2016
- Author(s)
  下川航也
- Organizer
  日本化学会　第96 春季年会「幾何学が誘起する新電子系物質科学」
- Place of Presentation
  同志社大学京田辺キャンパス（京都府京田辺市）
- Year and Date
  2016-03-27
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] トポロジーの高分子化学への応用2016
- Author(s)
  下川航也
- Organizer
  ナノ学会主催ナノ構造・物性- ナノ機能・応用部会合同シンポジウム
- Place of Presentation
  グランドパレス川端（秋田県大仙市）
- Year and Date
  2016-12-27
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] 結び目理論の応用について -DNA 組換え酵素、高分子化学、統計力学的エントロピー-2016
- Author(s)
  下川航也
- Organizer
  第63 回トポロジーシンポジウム
- Place of Presentation
  神戸大学（兵庫県神戸市）
- Year and Date
  2016-07-07
- Invited
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] トポロジーの高分子化学への応用2016
- Author(s)
  下川航也
- Organizer
  ナノ学会主催ナノ構造・物性- ナノ機能・応用部会合同シンポジウム
- Place of Presentation
  グランドパレス川端（秋田県大仙市）
- Year and Date
  2016-12-27
- Invited
- Data Source
  KAKENHI-PROJECT-16H03928
[Presentation] Knots and links in the simple cubic lattice2016
- Author(s)
  Koya Shimokawa
- Organizer
  mini symposium: ”Mathematical Modeling and Analysis of Protein Cages”
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県国頭郡恩納村）
- Year and Date
  2016-01-13
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] トポロジーの高分子化学への応用2016
- Author(s)
  下川航也
- Organizer
  ナノ学会主催ナノ構造・物性- ナノ機能・応用部会合同シンポジウム
- Place of Presentation
  グランドパレス川端（秋田県大仙市）
- Year and Date
  2016-12-27
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] 結び目理論の応用について -DNA組換え酵素、高分子化学、統計力学的エントロピー-2016
- Author(s)
  下川航也
- Organizer
  第６３回トポロジーシンポジウム
- Place of Presentation
  神戸大学（兵庫県神戸市）
- Year and Date
  2016-07-07
- Invited
- Data Source
  KAKENHI-PROJECT-16K13751
[Presentation] 結び目理論と3次元トポロジーの化学への応用2016
- Author(s)
  下川航也
- Organizer
  日本化学会　第96 春季年会「幾何学が誘起する新電子系物質科学」
- Place of Presentation
  同志社大学京田辺キャンパス（京都府京田辺市）
- Year and Date
  2016-03-27
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Knots and links in the simple cubic lattice2016
- Author(s)
  Koya Shimokawa
- Organizer
  mini symposium: ”Mathematical Modeling and Analysis of Protein Cages”
- Place of Presentation
  沖縄科学技術大学院大学（沖縄県国頭郡恩納村）
- Year and Date
  2016-01-13
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Unknotting operation and growth constant of knots in a tube region2015
- Author(s)
  Koya Shimokawa
- Organizer
  Combinatorics, topology and statistical mechanics of polymer models II, CanaDAM 2015
- Place of Presentation
  University of Saskatchewan in Saskatoon, SK, Canada
- Year and Date
  2015-06-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Unknotting operation and growth constant of knots in a tube region2015
- Author(s)
  Koya Shimokawa
- Organizer
  Combinatorics, topology and statistical mechanics of polymer models II, CanaDAM 2015
- Place of Presentation
  University of Saskatchewan in Saskatoon, SK, Canada
- Year and Date
  2015-06-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Knots and links in the simple cubic lattice2015
- Author(s)
  Koya Shimokawa
- Organizer
  Simons Center's Workshop: Symplectic and Algebraic Geometry in the Statistical Physics of Polymers
- Place of Presentation
  Simons Center of Geometry and Physics, Stony Brook University, NY, USA
- Year and Date
  2015-10-13
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Knots and graphs in polymer chemistry2015
- Author(s)
  Koya Shimokawa
- Organizer
  International Workshop on Topology/Geometry-driven Electron Systems toward New Horizon of Functional Materials
- Place of Presentation
  名古屋大学野依記念学術交流館（愛知県名古屋市）
- Year and Date
  2015-12-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Application of graph theory and knot theory to polymer chemistry2015
- Author(s)
  Koya Shimokawa
- Organizer
  Cyclic and Topological Polymers, Pacifichem 2015
- Place of Presentation
  Hawaii Convention center, Honolulu, Hawaii, USA
- Year and Date
  2015-12-19
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Knots and graphs in polymer chemistry2015
- Author(s)
  Koya Shimokawa
- Organizer
  International Workshop on Topology/Geometry-driven Electron Systems toward New Horizon of Functional Materials
- Place of Presentation
  名古屋大学野依記念学術交流館（愛知県名古屋市）
- Year and Date
  2015-12-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Knots and links in the simple cubic lattice2015
- Author(s)
  Koya Shimokawa
- Organizer
  Simons Center's Workshop: Symplectic and Algebraic Geometry in the Statistical Physics of Polymers
- Place of Presentation
  Simons Center of Geometry and Physics, Stony Brook University, NY, USA
- Year and Date
  2015-10-13
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Application of graph theory and knot theory to polymer chemistry2015
- Author(s)
  Koya Shimokawa
- Organizer
  Cyclic and Topological Polymers, Pacifichem
- Place of Presentation
  Hawaii Convention center, Honolulu, Hawaii, USA
- Year and Date
  2015-12-19
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] DNA組み換え酵素のタングル解析2014
- Author(s)
  下川航也
- Organizer
  生命ダイナミクスの数理とその応用：異分野とのさらなる融合
- Place of Presentation
  東京大学, 東京都目黒区
- Year and Date
  2014-12-03
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] Site-specific recombination modeled as a band surgery2014
- Author(s)
  Koya Shimokawa
- Organizer
  Special Session on "Applications of Knot Theory to the Entanglement of Biopolymers", AMS 2014 Fall Western Sectional Meeting
- Place of Presentation
  San Francisco State University, San Francisco, USA
- Year and Date
  2014-10-26
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Site-specific recombination modeled as a band surgery2014
- Author(s)
  Koya Shimokawa
- Organizer
  mini-symposium "Biopolymer Entanglements", Canadian Applied and Inductrial Mathematics Society 2014 Annual Meeting
- Place of Presentation
  Delta Bessborough Hotel, Saskatoon, SK, Canada
- Year and Date
  2014-06-23
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Site-specific recombination modeled as a band surgery2014
- Author(s)
  Koya Shimokawa
- Organizer
  Special session on topology, geometry and combinatorics of biopolymers, 8th Australia and New Zealand Mathematics Convention
- Place of Presentation
  University of Melbourne, Melbourne, Australia
- Year and Date
  2014-12-11
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] DNA組み換え酵素のタングル解析2014
- Author(s)
  下川航也
- Organizer
  生命ダイナミクスの数理とその応用：異分野とのさらなる融合
- Place of Presentation
  東京大学
- Year and Date
  2014-12-03
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Site-specific recombination modeled as a band surgery2014
- Author(s)
  Koya Shimokawa
- Organizer
  8th Australia and New Zealand Mathematics Convention, Special session on topology, geometry and combinatorics of biopolymers
- Place of Presentation
  University of Melbourne, Melbourne, Australia
- Year and Date
  2014-12-11
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Minimum step number of knots in the simple cubic lattice2014
- Author(s)
  Koya Shimokawa
- Organizer
  Combinatorial Applications to Biology, Chemistry and Physics
- Place of Presentation
  University of Saskatchewan, Saskatoon, SK, Canada
- Year and Date
  2014-06-22
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Site-specific recombination modeled as a band surgery2014
- Author(s)
  Koya Shimokawa
- Organizer
  Special Session on "Applications of Knot Theory to the Entanglement of Biopolymers", AMS 2014 Fall Western Sectional Meeting
- Place of Presentation
  San Francisco State University, San Francisco, USA
- Year and Date
  2014-10-26
- Invited
- Data Source
  KAKENHI-PROJECT-26310206
[Presentation] 結び目理論の分子生物学への応用-部位特異的組み換えのタングル解析-2013
- Author(s)
  下川航也
- Organizer
  研究集会「応用トポロジーとシステムバイオロジー:数理医学の新たな挑戦」
- Place of Presentation
  大阪大学(招待講演)
- Year and Date
  2013-02-22
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Application of knottheory to molecular biology -Band surgery and site-specific recombination-2013
- Author(s)
  Koya Shimokawa
- Organizer
  The 9-th East Asian School of Knots and Related Topics
- Place of Presentation
  東京大学(招待講演)
- Year and Date
  2013-01-17
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Tangle analysis of unlinking by Xer-dif-FtsK system2012
- Author(s)
  Koya Shimokawa
- Organizer
  International conference "Discreteand Topological Models in Molecular Biology"
- Place of Presentation
  University of South Florida. (招待講演)
- Year and Date
  2012-03-13
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Tangle analysis of unlinking by XerCD-dif-FtsK system2012
- Author(s)
  Koya Shimokawa
- Organizer
  International conference "Discrete and Topological Models in Molecular Biology"
- Place of Presentation
  University of South Florida
- Year and Date
  2012-03-13
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Tangle analysis of site-specific recombination-Unlinking pathways of Xer-dif-FtsK-2012
- Author(s)
  下川航也
- Organizer
  日本数学会2012年度秋季総合分科会トポロジー分科会特別講演
- Place of Presentation
  九州大学(招待講演)
- Year and Date
  2012-09-20
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] On shortest pathways of unlinking by XerCD-dif-FtsK2012
- Author(s)
  Koya Shimokawa
- Organizer
  AMS meeting "Special session on Knotting Linear and Ring Polymer Models"
- Place of Presentation
  University of Hawaii
- Year and Date
  2012-03-03
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Tangle analysis of unlinking by XerCD-dif-FtsK system2012
- Author(s)
  下川航也
- Organizer
  International conference "Discrete and Topological Models in Molecular Biology"
- Place of Presentation
  University of South Florida
- Year and Date
  2012-03-13
- Data Source
  KAKENHI-PROJECT-21244005
[Presentation] On shortest pathways of unlinking by XerCD-dif-FtsK2012
- Author(s)
  Koya Shimokawa
- Organizer
  AMS2012 Spring Western Section Meeting "Special Session on Knotting in Linear and Ring Polymer Models"
- Place of Presentation
  University of Hawaii.(招待講演)
- Year and Date
  2012-03-03
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] 結び目理論のDNAの研究への応用--部位特異的組み換え酵素のタングル解析--2011
- Author(s)
  下川航也
- Organizer
  日本数学会2011年度年会トポロジー分科会特別講演
- Place of Presentation
  早稲田大学
- Year and Date
  2011-03-20
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] On bounds for the minimum step number of knots in the simple cubiclattice2010
- Author(s)
  下川航也
- Organizer
  国際会議「Statistical Physics and Topology of Polymers with Ramifications to Structure and Function of DNA and Proteins」
- Place of Presentation
  京都大学基礎物理学研究所
- Year and Date
  2010-08-03
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] The XerCD-FtsK system unlinks replication catenanes in a stepwise manner2010
- Author(s)
  下川航也
- Organizer
  研究集会「結び目の数学 III」
- Place of Presentation
  日本大学
- Year and Date
  2010-12-22
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] On bounds for the minimum step number of knots in the simple cubic lattice2010
- Author(s)
  Koya Shimokawa
- Organizer
  国際会議「Statistical Physics and Topology of Polymers with Ramifications to Structure and Function of DNA andProteins」
- Place of Presentation
  京都大学(招待講演)
- Year and Date
  2010-08-03
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Site-specific recombination of DNA and Dehn surgery2009
- Author(s)
  下川航也
- Organizer
  Friday Seminar on Knot Theory
- Place of Presentation
  大阪市立大学数学研究所
- Year and Date
  2009-01-23
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Tangle analysis of DNAcatenane unlinking by the Xer/FtsK system2009
- Author(s)
  下川航也
- Organizer
  国際会議「 San Francisco internationalmeeting on DNA topology 」
- Place of Presentation
  University of California SanFrancisco
- Year and Date
  2009-04-24
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] DNA and Dehn surgery on knots2008
- Author(s)
  下川航也
- Organizer
  小研究集会「曲線と曲面の非線型解析
- Place of Presentation
  埼玉大学大宮ソニックシティカレッジ
- Year and Date
  2008-12-17
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Tangle analysis of DNA unlinking by the Xer/FtsK system2008
- Author(s)
  下川航也
- Organizer
  国際会議「結び目とソフトマター物理学」
- Place of Presentation
  京都大学基礎物理学研究所
- Year and Date
  2008-08-28
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Ideal pointから見つからないboumdary slopeについて2008
- Author(s)
  下川航也
- Organizer
  東京女子大学トポロジーセミナー
- Place of Presentation
  東京女子大学
- Year and Date
  2008-04-19
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Tangle analysis of DNAcatenane unlinking by the Xer/FtsK system2008
- Author(s)
  下川航也
- Organizer
  国際会議「結び目とソフトマター物理学 : 高分子のトポロジー、そして物理学、数学および生物学における関連する話題」
- Place of Presentation
  京都大学基礎物理学研究所
- Year and Date
  2008-08-28
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] DNA and Dehn surgery on knots2008
- Author(s)
  下川航也
- Organizer
  小研究集会「曲線と曲面の非線型解析」
- Place of Presentation
  埼玉大学大宮ソニックシティカレッジ
- Year and Date
  2008-12-17
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] DNAと結び目理論2008
- Author(s)
  下川航也
- Organizer
  明治大学生田幾何セミナー
- Place of Presentation
  明治大学
- Year and Date
  2008-12-05
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Tangle analysis of DNA catenane unlinking by the Xer/FtsK system2008
- Author(s)
  下川航也
- Organizer
  信州大学理学部数理・自然情報科学教室談話会
- Place of Presentation
  信州大学理学部
- Year and Date
  2008-11-28
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation]2007
- Author(s)
  下川航也
- Organizer
  研究集会結び目のトポロジーX
- Place of Presentation
  東京女子大学
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Tangle analysis of unlinking DNA links by XerCD2007
- Author(s)
  下川航也
- Organizer
  研究集会「結び目のトポロジーX」
- Place of Presentation
  東京女子大学
- Year and Date
  2007-12-23
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] DNA and lens space surgery2006
- Author(s)
  下川航也
- Organizer
  研究集会「結び目のトポロジーIX」
- Place of Presentation
  日本大学
- Year and Date
  2006-12-06
- Data Source
  KAKENHI-PROJECT-18540069
[Presentation] Lattice knots and links in tubes
- Author(s)
  下川航也
- Organizer
  Entanglement in biology; how nature controls the topology of proteins and DNA
- Place of Presentation
  Banff International Research Station for Mathematical Innovation and Discovery, Canada
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Application of knot theory to molecular biology --Band surgery and site-specific recombination of DNA--
- Author(s)
  Koya shimokawa
- Organizer
  The 9th East Asian School of Knots and Related Topics (Plenary talk)
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] Tangle analysis of site-specific recombinations --Unlinking pathways of Xer-dif-FtsK--
- Author(s)
  下川航也
- Organizer
  日本数学会2012年度秋季総合分科会トポロジー分科会特別講演
- Place of Presentation
  九州大学
- Invited
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] 結び目理論の分子生物学への応用 --部位特異的組み換えのタングル解析--
- Author(s)
  下川航也
- Organizer
  研究集会「応用トポロジーとシステムバイオロジー：数理医学の新たな挑戦」
- Place of Presentation
  大阪大学
- Invited
- Data Source
  KAKENHI-PROJECT-22540066
[Presentation] 結び目理論の分子生物学への応用
- Author(s)
  下川航也
- Organizer
  SMART研究会「応用現代幾何学」
- Place of Presentation
  東北大学
- Invited
- Data Source
  KAKENHI-PROJECT-25400080
[Presentation] Site-specific recombination modeled as a band surgery
- Author(s)
  下川航也
- Organizer
  研究集会「力学系と応用トポロジー」
- Place of Presentation
  京都大学
- Invited
- Data Source
  KAKENHI-PROJECT-25400080

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Shimokawa Koya 下川 航也

SHIMOKAWA Koya 下川 航也

Research Projects

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Co-Researchers

Research on spatial graphs in the simple cubic lattice and its application to polymer sciencePrincipal InvestigatorOngoing

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Discrete Geometric Analysis for materials designOngoing

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3次元トポロジーに基づく静的・動的ネットワークの提案Principal InvestigatorOngoing

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Research on knot theory and its applicationPrincipal InvestigatorOngoing

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Topology and entropy of polymersPrincipal Investigator

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結び目やグラフのトポロジーを応用した新高分子理論に基づく特性・機能創出Principal InvestigatorOngoing

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Application of knot theory to molecular biologyPrincipal Investigator

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Application of knot theory to biologyPrincipal Investigator

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Research on knot theory using essential surfacesPrincipal Investigator

Principal Investigator

Shimokawa Koya 下川航也

SHIMOKAWA Koya 下川航也