Fukuma Yoshiaki 福間慶明

… Alternative Names

FUKUMA Yoshiaki 福間慶明

福間慶明フクマヨシアキ

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Researcher Number	20301319
Other IDs
Affiliation (Current)	2025: 高知大学, 教育研究部自然科学系理工学部門, 教授
Affiliation (based on the past Project Information) *help	2018 – 2023: 高知大学, 教育研究部自然科学系理工学部門, 教授 2016 – 2017: 高知大学, 教育研究部自然科学系理学部門, 教授 2015: 高知大学, 自然科学系理学部門, 教授 2012 – 2014: 高知大学, 教育研究部自然科学系, 教授 2012: 高知大学, 理学部, 准教授 … More 2010 – 2011: Kochi University, 教育研究部・自然科学系, 教授 2009: Kochi University, 教育研究部・自然科学系, 准教授 2008: Kochi University, 教育研究部自然科学系, 准教授 2007: Kochi University, Faculty of Science, Associated Professor 2002 – 2006: 高知大学, 理学部, 助教授 2000: 高知大学, 理学部, 助教授 1999: 鳴門教育大学, 学校教育学部, 助手 Less
Review Section/Research Field	Principal Investigator Algebra / Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra / Algebra
Keywords	Principal Investigator 偏極多様体 / 豊富な因子 / 随伴束 / 断面幾何種数 / 断面不変量 / 代数学 / 射影多様体 / nefかつbigな因子 / 断面H-算術種数 / 標準因子 … More / 豊富なベクトル束 / Δ－種数 / Okounkov体 / 代数幾何学 / canonical divisor / Iitaka-Kodaira dimension / adioint line bundle / sectional geometric genus / sectional invariants / polarized variety / nef / 第iΔ-種数 / 断面Betti数 / 断面Euler数 / 飯高-小平次元 / 随伴直線束 / 準偏極多様体 / アーベル多様体 / 偏極多様性 / 第2Chern類 / Beltrametti-Sommese予想 / H-算術種数 / 幾何種数 / 線形系 / 断面種数 / 不正則数 … More Except Principal Investigator arithmetic genus / delta genus / polarized variety / algebraic variet / p-curvature / Dixmier conjecture / Jacobian problem / unramified extension / Sympletic構造 / Weyl代数の中心 / Weyl代数の自己準同型 / Dixmire予想 / conductor / 単純拡大 / Jacobian / デルタ極数 / 代数多根体 / 算術種数 / デルタ種数 / 偏極多様体 / 代数多様体 / p曲率 / Dixmier予想 / ヤコビアン問題 / 不分岐拡大 / レフシェッツの超平面切断 / ﾚﾌｼｪｯﾂの超平面切断 / レフシェッツの超平面切断研究分野 / コニック束 / ファノ多様体 / 単有理性 / 有理曲線 Less

Study on the dimension of the adjoint bundle due to invariants of polarized manifoldsPrincipal Investigator
- Principal Investigator
  
  福間慶明
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Kochi University
Study on the dimension of the global sections of adjoint bundles for polarized manifolds via their invariantsPrincipal Investigator
- Principal Investigator
  
  Yoshiaki Fukuma
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
A study on the dimension of global sections of multiple adjoint bundle of polarized manifoldsPrincipal Investigator
- Principal Investigator
  
  Fukuma Yoshiaki
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
On families of rational curves and Fano varieties.
- Principal Investigator
  
  SATO Eiichi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kyushu University
A study on the dimension of global sections of adjoint bundles of polarized manifolds by the sectional geometric genusPrincipal Investigator
- Principal Investigator
  
  FUKUMA Yoshiaki
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
Study on properties of polarirad varieties by their sectional invariants and its applicationsPrincipal Investigator
- Principal Investigator
  
  FUKUMA Yoshiaki
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
断面幾向種数による偏極多様体の分類と応用についての研究Principal Investigator
- Principal Investigator
  
  福間慶明
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
Study of unramified extensions, with emphasis on Jacobian problem
- Principal Investigator
  
  TSUCHIMOTO Yoshifumi, 小駒哲司
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
偏極多様体の随伴束と豊富な因子との交点数の下限についての研究Principal Investigator
- Principal Investigator
  
  福間慶明
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Algebra
- Research Institution
  Kochi University
  Naruto University of Education

[Journal Article] On invariants of polynomial functions, II2021
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Algebra and Discrete Mathematics
  
  Volume: 31 Issue: 1 Pages: 71-83
- DOI
  10.12958/adm1319
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] A generalization of Δ-genus for big divisors on projective varieties2020
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Communications in Algebra
  
  Volume: 48 Issue: 1 Pages: 168-184
- DOI
  10.1080/00927872.2019.1635609
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] On the dimension of the global sections of K_{X}+4L for polarized 5-folds (X, L)2019
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  ANNALI DELL'UNIVERSITA' DI FERRARA
  
  Volume: 65 Issue: 2 Pages: 231-240
- DOI
  10.1007/s11565-019-00322-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] New invariants of ample vector bundles over smooth projective varieties2018
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Rendiconti di Matematica e delle sue Applicazioni. Serie VII
  
  Volume: 39 Pages: 97-131
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] A note on the dimension of global sections of adjoint bundles for polarized 4-folds2018
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Proceedings of the Japan Academy. Series A, Mathematical Sciences
  
  Volume: 94 Issue: 5 Pages: 53-58
- DOI
  10.3792/pjaa.94.53
- NAID
  40021548036
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] Classification of bi-polarized 3-folds (X, L_{1}, L_{2}) with h^{0}(K_{X}+L_{1}+L_{2})=12018
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Hiroshima Mathematical Journal
  
  Volume: 48 Issue: 2 Pages: 159-170
- DOI
  10.32917/hmj/1533088829
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] A note on classification of generalized polarized manifolds by the Ｃr-sectional Hodge number of type (1,1) and the Ｃr-sectional Betti number.2017
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Revue Roumaine de Mathematiques Pures et Appliquees
  
  Volume: 62 Pages: 529-535
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K05103
[Journal Article] Effective non-vanishing of global sections of multiple adjoint bundles for quasi-polarized n -folds, II2016
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Journal of Algebra and its Applications
  
  Volume: 15 Issue: 01 Pages: 16500031-9
- DOI
  10.1142/s0219498816500031
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] A note on a result of Lanteri about the class of a polarized surface2016
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Hiroshima Mathematical Journal
  
  Volume: 46 Pages: 79-85
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] On polarized 4-folds (X,L) with h0(KX+3L)=12016
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 220 Issue: 3 Pages: 1178-1187
- DOI
  10.1016/j.jpaa.2015.08.014
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] ON SECTIONAL GENUS OF MULTI-QUASI-POLARIZED MANIFOLDS2015
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Kyushu Journal of Mathematics
  
  Volume: 69 Issue: 1 Pages: 49-62
- DOI
  10.2206/kyushujm.69.49
- NAID
  130005076151
- ISSN
  1340-6116, 1883-2032
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] On a conjecture of Beltrametti-Sommese for polarized 4-folds2015
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Kodai Mathematical Journal
  
  Volume: 38 Issue: 2 Pages: 343-351
- DOI
  10.2996/kmj/1436403895
- NAID
  130005475918
- ISSN
  0386-5991, 1881-5472
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] Effective non-vanishing of global sections of multiple adjoint bundles for quasi-polaraized n-folds2014
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Journal of Algebra and its Applications
  
  Volume: 13 Issue: 07 Pages: 1450046-1450046
- DOI
  10.1142/s0219498814500467
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] On complex n-folds polarized by an ample line bundle L with Bs|L| = ∅, g(X,L) = q(X) + m and h0(L) = n + m − 12014
- Author(s)
 Yoshiaki Fukuma
- Journal Title
 
 Kodai Mathematical Journal
 
 Volume: 37 Issue: 1 Pages: 34-58
- DOI
 10.2996/kmj/1396008248
- NAID
 130004496211
- ISSN
 0386-5991, 1881-5472
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-24540043
[Journal Article] Classification of polarized manifolds by the second sectional Betti number, II2013
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Rendiconti dell’Istituto di Matematica dell’Universita di Trieste
  
  Volume: 45 Pages: 47-66
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24540043
[Journal Article] A numerical characterization of polarized manifolds(X, L) with K_X=-(n-i) L by the ith sectional geometric genus and the ithΔ-genus2012
- Author(s)
  福間慶明
- Journal Title
  
  Publ. Res. Inst. Math. Sci
  
  Volume: 48 Issue: 1 Pages: 83-106
- DOI
  10.2977/prims/62
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] A numerical characterization of polarized manifolds (X,L) with KX=-(n-i)L by the ith sectional geometric genus and the ith Δ-genus2012
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Publ. Res. Inst. Math. Sci.
  
  Volume: 48 Pages: 83-106
- URL
  http://www.ams.org/mathscinet/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540050
[Journal Article] Topics on invariants of polarized varieties2012
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Sugaku Expositions
  
  Volume: 25 Pages: 19-45
- NAID
  10026415643
- URL
  http://www.ams.org/mathscinet/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540050
[Journal Article] A lower bound for the second sectional geometric genus of quasi-polarized manifolds and its applications2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Rend.Semin.Mat.Uniy.Politec.Torino
  
  Volume: 69 Pages: 73-90
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Effecive non-vanishing of global sections of multiple adjoint bundles for polarized 3-folds2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 215 Pages: 168-184
- URL
  http://www.ams.org/mathscinet/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540050
[Journal Article] A lower bound for the second sectional geometric genus of quasi-polarized manifolds and its applications2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Rend. Sem. Mat. Univ. Politec. Torino
  
  Volume: 69(1) Pages: 73-90
- URL
  http://www.ams.org/mathscinet/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540050
[Journal Article] Invariants of ample vector bundles on smooth projective varieties2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Riy.Mat.Uniy.Parma
  
  Volume: 2 Pages: 273-297
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] A study on the dimension of global sections of adjoint bundles for polarized mani-folds, II2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Hokkaido Math.J.
  
  Volume: 40 Pages: 251-277
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Invariants of ample vector bundles on smooth projective varieties2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Riv. Mat. Univ. Parma
  
  Volume: 2 Pages: 273-297
- URL
  http://www.ams.org/mathscinet/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540050
[Journal Article] A lower bound for the second sectional geometric genus of quasi-polarized manifolds and its applications2011
- Author(s)
  福間慶明
- Journal Title
  
  Rend. Semin. Mat. Univ. Politec. Torino
  
  Volume: 69 Pages: 73-90
- URL
  http://seminariomatematico.dm.unito.it/rendiconti/69-1/73.pdf
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] A study on the dimension of global sections of adjoint bundles for polarized manifolds2011
- Author(s)
  福間慶明
- Journal Title
  
  II, Hokkaido Math. J
  
  Volume: 40 Pages: 251-277
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] On quasi-polarized manifolds whose sectional genus is equal to the irregularity2011
- Author(s)
  Yoshiaki Fukuma
- Journal Title
  
  Rend.Semin.Mat.Univ.Padova
  
  Volume: 125 Pages: 107-117
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Effective non-vanishing of global sections of multiple adjoint bundles for polarized 3-folds2011
- Author(s)
  福間慶明
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 215 Issue: 2 Pages: 168-184
- DOI
  10.1016/j.jpaa.2010.04.011
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Invariants of ample vector bundles on smooth projective varieties2011
- Author(s)
  福間慶明
- Journal Title
  
  Riv. Mat. Univ. Parma
  
  Volume: 2 Pages: 273-297
- URL
  http://www.math.unipr.it/~rivista/dati/2011-2-2/indice.html
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] On quasi-polarized manifolds whose sectional genus is equal to the irregularity2011
- Author(s)
  福間慶明
- Journal Title
  
  Rend. Semin. Mat. Univ. Padova
  
  Volume: 125 Pages: 107-117
- URL
  http://rendiconti.math.unipd.it/volumes/vol125.php?lan=english
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Effective non-vanishing of global sections of multiple adjoint bundles for polarized 3-folds2011
- Author(s)
  福間慶明
- Journal Title
  
  Journal of pure and applied algebra 215
  
  Pages: 168-184
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] A note on quasi-polarized surfaces of general type whose sectional genus is equal to the irregularity2010
- Author(s)
  福間慶明
- Journal Title
  
  Le Matematiche 65
  
  Pages: 155-161
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] A note on quasi-polarized surfaces of general type whose sectional genus is equal to the irregularity2010
- Author(s)
  福間慶明
- Journal Title
  
  Le Matematiche
  
  Volume: 65 Pages: 155-161
- URL
  http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/786
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540045
[Journal Article] Invariants of ample line bundles on projective varieties and their applications, I2008
- Author(s)
  福間慶明
- Journal Title
  
  Kodai Mathematical Journal (発表確定)
- NAID
  130004687888
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] On the dimension of global sections of adjoint bundles for polarized 3-folds and 4-folds2007
- Author(s)
  福間慶明
- Journal Title
  
  Journal of Pure and Applied Algebra 211
  
  Pages: 609-621
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] On the dimension of global sections of adjoint bundles for polarized 3-folds and 4-folds2007
- Author(s)
  Yoshiaki, Fukuma
- Journal Title
  
  Journal of Pure and Applied Algebra 211
  
  Pages: 609-621
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] A generalization of the Δ-genus of quasi-polarized varieties2005
- Author(s)
  福間慶明
- Journal Title
  
  Journal of the Mathematical Society of Japan (発表予定)
- Data Source
  KAKENHI-PROJECT-14740018
[Journal Article] On the second sectional H-arithmetic genus of polarized manifolds2005
- Author(s)
  福間慶明
- Journal Title
  
  Mathematische Zeitschrift (印刷中)
- Data Source
  KAKENHI-PROJECT-14740018
[Journal Article] A formula for the sectional geometric genus of quasi-polarized manifolds by using intersection numbers2004
- Author(s)
  福間慶明
- Journal Title
  
  Journal of Pure and Applied Algebra 194・1-2
  
  Pages: 113-126
- Data Source
  KAKENHI-PROJECT-14740018
[Journal Article] On the sectional geometric genus of multi-polarized manifolds and its application
- Author(s)
  Yoshiaki, Fukuma
- Journal Title
  
  Kokyuroku Bessatsu (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] A classification of polarized manifolds by the sectional Betti number and the sectional Hodge number
- Author(s)
  Yoshiaki, Fukuma
- Journal Title
  
  Advances in Geometry (to appear)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] A lower bound for the second sectional geometric genus of polarized manifolds
- Author(s)
  福間慶明
- Journal Title
  
  Advances in Geometry (発表予定)(未定)
- Data Source
  KAKENHI-PROJECT-14740018
[Journal Article] On the sectional geometric genus of multi-polarized manifolds and its application
- Author(s)
  福間慶明
- Journal Title
  
  数理解析研究所講究録別冊 (掲載確定)
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] A classification of polarized manifolds by the sectional Betti number and the sectional Hodge number
- Author(s)
  福間慶明
- Journal Title
  
  Advances in Geometry (掲載確定)
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] Invariants of ample line bundles on projective varieties and their applications,I
- Author(s)
  福間慶明
- Journal Title
  
  Kodai Mathematical Journal (印刷中)
- NAID
  130004687888
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] A classification of polarized manifolds by the sectional Betti number and the sectional Hodge number
- Author(s)
  福間慶明
- Journal Title
  
  Advances in Geometry (発表確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] On the sectional geometric genus of multi-polarized manifolds and its application
- Author(s)
  福間慶明
- Journal Title
  
  数理解析研究所講究録別冊 (発表確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540033
[Journal Article] Invariants of ample line bundles on projective varieties and their applications, I
- Author(s)
  Yoshiaki, Fukuma
- Journal Title
  
  Kodai Mathematical Journal (in press)
- NAID
  130004687888
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Presentation] Problems on the dimension of the global sections of adjoint bundles for polarized manifolds2024
- Author(s)
  福間　慶明
- Organizer
  第８回代数幾何学研究集会‐宇部‐
- Invited
- Data Source
  KAKENHI-PROJECT-21K03166
[Presentation] 偏極多様体の随伴束の大域切断のなす次元について～予想・問題と現在までの結果2019
- Author(s)
  福間　慶明
- Organizer
  日本数学会　中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] 5次元偏極多様体の随伴束の大域切断のなす次元に関する考察2019
- Author(s)
  福間　慶明
- Organizer
  日本数学会　年会
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] On the dimension of the global sections of adjoint bundles for polarized manifolds2019
- Author(s)
  Yoshiaki Fukuma
- Organizer
  Algebraic surfaces and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] 偏極多様体の随伴束の大域切断のなす次元について2018
- Author(s)
  福間　慶明
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] 偏極多様体の随伴束の大域切断のなす次元に関する話題2017
- Author(s)
  福間　慶明
- Organizer
  代数学ミニシンポジウム2017（倉敷）
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] 偏極多様体の随伴束の大域切断のなす次元に関する諸問題について2017
- Author(s)
  福間　慶明
- Organizer
  九州大学代数幾何学セミナー
- Data Source
  KAKENHI-PROJECT-16K05103
[Presentation] On polarized 4-folds (X, L) with h0(KX+3L) ＜=12016
- Author(s)
  福間慶明
- Organizer
  日本数学会年会
- Place of Presentation
  筑波大学 (茨城県つくば市)
- Year and Date
  2016-03-17
- Data Source
  KAKENHI-PROJECT-24540043
[Presentation] 3次元偏極多様体(X,L)のh^0(K_x+2L)の値による分類について2011
- Author(s)
  福間慶明
- Organizer
  代数幾何目白セミナー
- Place of Presentation
  学習院大学(東京都)
- Year and Date
  2011-12-27
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 次元偏極多様体(X, L)のh^0(K_X+ 2L)の値による分類について2011
- Author(s)
  福間慶明
- Organizer
  代数幾何目白セミナー
- Place of Presentation
  学習院大学(東京都)
- Year and Date
  2011-12-27
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] On effective non-vanishing of multiple adjoint line bundles2011
- Author(s)
  福間慶明
- Organizer
  代数幾何学シンポジウム-佐渡-
- Place of Presentation
  佐渡島開発総合センター(新潟県)
- Year and Date
  2011-06-03
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] Sectional class of ample line bundles on smooth projective varieties2011
- Author(s)
  福間慶明
- Organizer
  津山代数幾何シンポジウム2011
- Place of Presentation
  津山高専(岡山県)
- Year and Date
  2011-07-27
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 偏極多様体の多重随伴束の大域切断のなす次元について2011
- Author(s)
  福間慶明
- Organizer
  高知大学代数幾何セミナー2011冬
- Place of Presentation
  高知大学朝倉キャンパス理学部2号館
- Year and Date
  2011-02-18
- Data Source
  KAKENHI-PROJECT-22540050
[Presentation] 3次元準偏極多様体におけるある随伴束の大域切断のなす次元について2010
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  慶應義塾大学(神奈川県)
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 3次元準偏極多様体におけるある随伴束の大域切断のなす次元について2010
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  神奈川県・慶應義塾大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 4次元偏極多様体における多重随伴束の大域切断のなす次元について2010
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  愛知県・名古屋大学
- Year and Date
  2010-09-24
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 次元偏極多様体における多重随伴束の大域切断のなす次元について2010
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  名古屋大学(愛知県)
- Year and Date
  2010-09-24
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 3次元偏極多様体における多重随伴束の大域切断のなす次元について2009
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  大阪府・大阪大学
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 3次元偏極多様体における多重随伴束の大域切断のなす次元について2009
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  大阪大学(大阪府)
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 随伴束が自明となる偏極多様体の不変量による特徴づけについて2008
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  東京工業大学(東京都)
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 随伴束が自明となる偏極多様体の不変量による特徴づけについて2008
- Author(s)
  福間慶明
- Organizer
  日本数学会
- Place of Presentation
  東京都・東京工業大学
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] 随伴束が自明となる偏極多様体の不変量による特徴づけについて2008
- Author(s)
  福間慶明
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  東京都・東京工業大学
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-20540045
[Presentation] On the sectional geometric genus of multi-polarized manifolds and its application2007
- Author(s)
  福間慶明
- Organizer
  高次元代数多様体とベクトル束
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-07-04
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Presentation] On the sectional geometric genus of multi-polarized manifolds and its application2007
- Author(s)
  Yoshiaki, Fukuma
- Organizer
  Higher dimensional algebraic varieties and vector bundles
- Place of Presentation
  Research Institute of Mathematical Sciences
- Year and Date
  2007-07-04
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Presentation] On the dimension of adjoint bundles for polarized manifolds2006
- Author(s)
  Yoshiaki, Fukuma
- Organizer
  Symposium on Algebraic Geometry in Sado
- Place of Presentation
  Sado Kaihatsu Sogo Center
- Year and Date
  2006-06-07
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Presentation] On the dimension of adjoint bundles for polarized manifolds2006
- Author(s)
  福間慶明
- Organizer
  代数幾何学シンポジウム・佐渡
- Place of Presentation
  佐渡島開発総合センター
- Year and Date
  2006-06-07
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540033
[Presentation] 偏極多様体の断面種数による分類について
- Author(s)
  福間慶明
- Organizer
  津山代数幾何シンポジウム2012
- Place of Presentation
  津山工業高等専門学校 (岡山県)
- Data Source
  KAKENHI-PROJECT-24540043
[Presentation] Effective non-vanishing of global sections of multiple adjoint bundles for quasi-polarized n-folds
- Author(s)
  福間慶明
- Organizer
  日本数学会年会
- Place of Presentation
  京都大学
- Data Source
  KAKENHI-PROJECT-24540043
[Presentation] 準偏極多様体の不変量による随伴束の大域切断の次元についての考察
- Author(s)
  福間　慶明
- Organizer
  日本数学会秋季総合分科会
- Place of Presentation
  愛媛大学 (愛媛県)
- Invited
- Data Source
  KAKENHI-PROJECT-24540043

1. TSUCHIMOTO Yoshifumi (10271090)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. SATO Eiichi (10112278)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. WENG Lin (60304002)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. TAKAYAMA Shigeharu (20284333)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. TAKAGI Shunsuke (40380670)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 小駒哲司 (20127921)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. OURA Manabu (50343380)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. KAWACHI Takeshi (30323778)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. TAKAGI Hiromichi (30322150)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Fukuma Yoshiaki 福間 慶明

FUKUMA Yoshiaki 福間 慶明

福間 慶明 フクマ ヨシアキ

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Study on the dimension of the adjoint bundle due to invariants of polarized manifoldsPrincipal Investigator

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Study on the dimension of the global sections of adjoint bundles for polarized manifolds via their invariantsPrincipal Investigator

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A study on the dimension of global sections of multiple adjoint bundle of polarized manifoldsPrincipal Investigator

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On families of rational curves and Fano varieties.

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A study on the dimension of global sections of adjoint bundles of polarized manifolds by the sectional geometric genusPrincipal Investigator

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Study on properties of polarirad varieties by their sectional invariants and its applicationsPrincipal Investigator

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断面幾向種数による偏極多様体の分類と応用についての研究Principal Investigator

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Study of unramified extensions, with emphasis on Jacobian problem

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偏極多様体の随伴束と豊富な因子との交点数の下限についての研究Principal Investigator

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[Journal Article] On invariants of polynomial functions, II2021

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[Journal Article] A generalization of Δ-genus for big divisors on projective varieties2020

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[Journal Article] On the dimension of the global sections of K_{X}+4L for polarized 5-folds (X, L)2019

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[Journal Article] New invariants of ample vector bundles over smooth projective varieties2018

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[Journal Article] A note on the dimension of global sections of adjoint bundles for polarized 4-folds2018

Fukuma Yoshiaki 福間慶明

FUKUMA Yoshiaki 福間慶明

福間慶明フクマヨシアキ

[Journal Article] On complex <i>n</i>-folds polarized by an ample line bundle <i>L</i> with Bs|<i>L</i>| = ∅, <i>g</i>(<i>X,L</i>) = <i>q</i>(<i>X</i>) + <i>m</i> and <i>h</i><sup>0</sup>(<i>L</i>) = <i>n</i> + <i>m</i> − 12014