KAWADA Koichi 川田浩一

… Alternative Names

川田浩一カワダコウイチ

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Researcher Number	70271830
Other IDs
External Links
Affiliation (Current)	2025: 岩手大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help	2013 – 2017: 岩手大学, 教育学部, 教授 2007 – 2010: Iwate University, Faculty of Education, Dept of Math, Associate Professor 1999 – 2006: 岩手大学, 教育学部, 助教授 1998: 岩手大, 教育学部, 講師 1996 – 1997: 岩手大学, 教育学部, 講師
Review Section/Research Field	Principal Investigator Algebra / Algebra Except Principal Investigator Geometry / Algebra / Geometry / Algebra / Basic analysis
Keywords	Principal Investigator べき乗数 / ワーリング問題 / 素数 / 加法的問題 / 3乗数 / Waring問題 / 例外集合 / Almost Primes / Prime numbers / Biquadrates … More / Cubes / Powers of Integers / Goldbach''s problem / Waring''s Problem / 滑らかな数 / Goldbach問題 / 漸近式 / 概素数 / 4乗数 / ゴールドバッハ問題 / 篩の方法 / 加法的表現 / 立方数 / 円周法 / Waring-Goldbach問題 / 特異級数 / ワーリング・ゴールドバッハ問題 … More Except Principal Investigator zeta function / modular forms / modular forms of half integral weight / ヤコビ形式 / ゼータ関数 / モジュラ形式 / 半整数の重さのモジュラ形式 / 許容関数 / 有向グラフ / Maass wave form / Jacobi form / 平均曲率ベクトル場 / Minimal foliation / Foliation / コンパクト葉 / リーマン葉層 / 極小葉層 / 平均曲率関数 / 葉層構造 / 余次元1葉層 / Waring problem / Cone structures for plane fields / Stability of mean curvatures / Mean curvature functions / Mean curvature vectors / Cone structures for foliations / Foliations / Waring問題 / 束に付随した錘構造 / 平均曲率の安定性 / 葉層に付随した錘構造 / 余次元1葉層多様体 / ヒルベルトモジュラ形式 / マース空間 / ジーゲルモジュラ形式 / マースの波動形式 / admissible function of digraph / Connectivities of graph / (Di-)graph / Cheeger constant / Killing field / Metric foliation / 錐構造 / 錘構造 / 許容ベクトル場 / (有向グラフ上の)許容関数 / グラフの連結性 / (有向)グラフ / チーガー定数 / キリング場 / メトリック葉層 / specaial values of zeta function / Jacobi forms / モジュラー形式のフーリエ係数 / ゼータ関数の特殊値 / モジュラー形式 / 半整数の重さのモジュラー形式 / Jacobi形式 / ゼータ関数お特殊値 / Minimal graph / Totally geodesic / Constant mean curvature / Mean curvature function / Bundle-like foliation / キリングベクトル場 / 断面曲率正 / ベーシック 1-形式 / 束葉層 / 平均曲率ベクトル / 葉の成長度 / Bernstein問題 / 極小グラフ / 全測地的葉層 / 定平均曲率葉層 / バンドル-ライク葉層 / 非線形関数解析 / 作用素論 / 関数解析 / ゴールドバッハの予想 / 線形射影 / 直交補空間分解 / 解析的数論 / バナッハ空間 / Stokesの公式 Less

The orthogonal decomposition of Banach spaces and its applications
- Principal Investigator
  
  Honda Takashi
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Iwate University
Research on additive problems concerning powers of primes.Principal Investigator
- Principal Investigator
  
  KAWADA Koichi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Research on density estimates for exceptional sets associated with additive representations of natural numbersPrincipal Investigator
- Principal Investigator
  
  KAWADA Koichi
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Arithmetic study of Fourier coefficients of modular forms of half integral weight and Siegel modular forms
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  SAITAMA UNIVERSITY
The study of relations between the cone structures associated with foliations and their differential geometric properties.
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
加法的問題における特異級数の研究Principal Investigator
- Principal Investigator
  
  川田浩一
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Arithmetic study of Fourier coefficients of modular forms of half integral weight and the special values of zeta functions
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  IWATE UNIVERSITY
The study of relations between topological properties and differential geometric properties of foliated structures.
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
ワーリング問題およびワーリング・ゴールドバッハ問題の,主に低い次数の場合の研究Principal Investigator
- Principal Investigator
  
  川田浩一
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Arithmetic study of Fourier coefficients of automorphic forms and modular forms and zeta functions
- Principal Investigator
  
  KOJIMA Hisashi
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
千乗数を中心に，比較的小さいべきに対するワーリング問題の研究Principal Investigator
- Principal Investigator
  
  川田浩一
- Project Period (FY)
  1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Algebra
- Research Institution
  Iwate University
Differential Geometric Approach to Foliated Structures.
- Principal Investigator
  
  OSHIKIRI Gen-ichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University
有向グラフへの大域解析的アプローチ
- Principal Investigator
  
  押切源一
- Project Period (FY)
  1997
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geometry
- Research Institution
  Iwate University
葉層に付随したグラフの幾何的構造
- Principal Investigator
  
  OSHIKIRI Genーichi
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geometry
- Research Institution
  Iwate University

All 2017 2016 2013 2011 2010 2009 2008 2007 2006 2005 Other

All Journal Article Presentation

[Journal Article] ゴールドバッハ予想と円周法2017
- Author(s)
  川田浩一
- Journal Title
  
  数理科学
  
  Volume: 2017年9月号 Pages: 51-57
- Data Source
  KAKENHI-PROJECT-25400124
[Journal Article] 3つの素数の3乗の和の話2017
- Author(s)
  川田浩一
- Journal Title
  
  数学セミナー
  
  Volume: 2017年6月号 Pages: 42-47
- NAID
  40021211740
- Data Source
  KAKENHI-PROJECT-25400124
[Journal Article] Goldbach問題 --- 3つの素数の和について2016
- Author(s)
  川田浩一
- Journal Title
  
  京都大学数理解析研究所講究録別冊
  
  Volume: B53 Pages: 251-278
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25400124
[Journal Article] The localisation of primes in arithmetic progressions of irrational modulus2011
- Author(s)
  Jorg Brudern, Koichi Kawada
- Journal Title
  
  Colloq.Math. vol.123
  
  Pages: 53-61
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] The asymptotic formula in Waring's problem for one square and seventeen fifth powers2011
- Author(s)
  Jorg Brudern, Koichi Kawada
- Journal Title
  
  Monatsh.Math. vol.162
  
  Pages: 385-407
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Davenport methods and slim exceptional sets : The asymptotic formulae in Waring's problem2010
- Author(s)
  K.Kawada, T.D.Wooley
- Journal Title
  
  Mathematika
  
  Volume: 56 Pages: 305-321
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Additive representation in thin sequences, VIII : Diophantine inequalities in review.2010
- Author(s)
  J.Brudern, K.Kawada, T.D. Wooley
- Journal Title
  
  Number Theory. Dreaming in Dreams, Proceedings of the 5th China-Japan Seminar 5
  
  Pages: 20-79
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Relations between exceptional sets for additive problems.2010
- Author(s)
  K.Kawada, T.D.Wooley
- Journal Title
  
  J.London Math.Soc.
  
  Volume: 82 Pages: 437-458
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Relations between exceptional sets for additive problems2010
- Author(s)
  Koichi Kawada, Trevor D.Wooley
- Journal Title
  
  J.London Math.Soc. vol.82
  
  Pages: 437-458
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Davenport methods and slim exceptional sets : The asymptotic formulae in Waring's problem2010
- Author(s)
  Koichi Kawada, Trevor D.Wooley
- Journal Title
  
  Mathematika vol.56
  
  Pages: 305-321
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Additive representation in thin sequences, VIII : Diophantine inequalities in review, in Number Theory. Dreaming in Dreams2010
- Author(s)
  Jorg Brudern, Koichi Kawada, Trevor D.Wooley
- Journal Title
  
  Proceedings of the fifth China-Japan Seminar
  
  Pages: 20-79
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] On the Waring-Goldbach problem for cubes2009
- Author(s)
  Jorg Brudern, Koichi Kawada
- Journal Title
  
  Glasgow Math.J. vol.51
  
  Pages: 703-712
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] On the Waring-Goldbach problem for cubes.2009
- Author(s)
  J.Brudern, K.Kawada
- Journal Title
  
  Glasgow Mathematical Journal 51
  
  Pages: 703-712
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Additive representation in thin sequences, VII : Restricted moments of the number of representations2008
- Author(s)
  J. Brudern, K. Kawada, and T. O. Wooley
- Journal Title
  
  Tsukuba Journal of Mathematics 32
  
  Pages: 383-406
- NAID
  120005848500
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] Additive representation in thin sequences, VII : Restricted moments of the number of representations2008
- Author(s)
  Jorg Brudern, Koichi Kawada, Trevor D.Wooley
- Journal Title
  
  Tsukuba J.Math. vol.32
  
  Pages: 383-406
- NAID
  120005848500
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540002
[Journal Article] サークルメソッドの応用におけるマイナーアーク上の積分の扱いについて.2006
- Author(s)
  川田浩一
- Journal Title
  
  京都大学数理解析研究所講究録 1511
  
  Pages: 145-155
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of cubes of smooth numbers. (Japanese.)2006
- Author(s)
  Koichi Kawada
- Journal Title
  
  RIMS Kokyuroku 1512
  
  Pages: 109-117
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] 滑らかな数の3乗の和について.2006
- Author(s)
  川田浩一
- Journal Title
  
  京都大学数理解析研究所講究録 1512
  
  Pages: 109-117
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] サークルメソッドの応用におけるマイナーアーク上の積分の扱いについて.2006
- Author(s)
  川田浩一
- Journal Title
  
  京都大学数理解析研究所講究録 1511
  
  Pages: 145-155
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] 滑らかな数の3乗の和について.2006
- Author(s)
  川田浩一
- Journal Title
  
  京都大学数理解析研究所講究録 1512
  
  Pages: 109-117
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On treatment of minor arc integrals in applications of the circle method. (Japanese.)2006
- Author(s)
  Koichi Kawada
- Journal Title
  
  RIMS Kokyuroku 1511
  
  Pages: 145-155
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of seven cubes of almost primes.2005
- Author(s)
  Koichi Kawada
- Journal Title
  
  Acta Arithmetica 117・3
  
  Pages: 213-245
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of sixteen biquadrates.2005
- Author(s)
  J.-M.Deshouillers, K.Kawada, T.D.Wooley
- Journal Title
  
  Mem. Soc. Math. Fr. (N. S.) No.100
  
  Pages: 120-120
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] Waring問題の研究における技術の進展について2005
- Author(s)
  川田浩一
- Journal Title
  
  数学 57・1
  
  Pages: 21-49
- NAID
  10016419071
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of sixteen biquadrates2005
- Author(s)
  J.-M.Deshouillers, K.Kawada, T.D.Wooley
- Journal Title
  
  Mem.Soc.Math.Fr.(N.S.) No.100
  
  Pages: 120-120
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] Waring問題の研究における技術の進展について2005
- Author(s)
  川田浩一
- Journal Title
  
  数学 57
  
  Pages: 21-49
- NAID
  10016419071
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of sixteen biquadrates.2005
- Author(s)
  J.-M.Deshouillers, K.Kawada, T.D.Wooley
- Journal Title
  
  Memoires de la Societe Mathematique de France (N.S.) 100
  
  Pages: 1-120
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of seven cubes of almost primes.2005
- Author(s)
  Koichi Kawada
- Journal Title
  
  Acta Arithmetica 117
  
  Pages: 213-245
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of seven cubes of almost primes2005
- Author(s)
  K.Kawada
- Journal Title
  
  Acta Arith. 117
  
  Pages: 213-245
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] On sums of sixteen biquadrates.2005
- Author(s)
  J.-M. Deshouillers, K. Kawada and T. D. Wooley
- Journal Title
  
  Memoires de la Societe Mathematique de France (N. S.) 100
  
  Pages: 1-120
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of seven cubes of almost primes2005
- Author(s)
  Koichi Kawada
- Journal Title
  
  Acta. Arith. 117
  
  Pages: 213-245
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of sixteen biquadrates.2005
- Author(s)
  J.-M.Deshouillers, K.Kawada, T.D.Wooley
- Journal Title
  
  Mem.Soc.Math.Fr.(N.S.) No.100
  
  Pages: 120-120
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] On sums of seven cubes of almost primes.2005
- Author(s)
  K.Kawada
- Journal Title
  
  Acta Arith. 117
  
  Pages: 213-245
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16540050
[Journal Article] On sums of sixteen biquadrates2005
- Author(s)
  J.-M. Deshouillers, K. Kawada and T. D. Wooley
- Journal Title
  
  Mem. Soc. Math. France (N. S.) 100
  
  Pages: 1-120
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On development of techniques in research on Waring's problem. (Japanese.)2005
- Author(s)
  Koichi Kawada
- Journal Title
  
  Sugaku 57
  
  Pages: 21-49
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Journal Article] On sums of sixteen biquadrates.
- Author(s)
  J.-M.Deshouillers, K.Kawada, T.D.Wooley
- Journal Title
  
  Memoires de la Soc.Math.France (to appear)
- Data Source
  KAKENHI-PROJECT-16540050
[Presentation] On sums of cubes of primes and almost primes2013
- Author(s)
  Koichi Kawada
- Organizer
  Analytic Number Theory
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach, Germany
- Data Source
  KAKENHI-PROJECT-25400124
[Presentation] The ternary Goldbach problem --- from Hardy-Littlewood, Vinogradov to Helfgott2013
- Author(s)
  Koichi Kawada
- Organizer
  代数的整数論とその周辺
- Place of Presentation
  京都大学数理解析研究所（京都府）
- Data Source
  KAKENHI-PROJECT-25400124
[Presentation] On exceptional sets in Waring's problem for cubes2009
- Author(s)
  川田浩一
- Organizer
  Zeta Function Days in Seoul
- Place of Presentation
  延世大学(ソウル,大韓民国)
- Year and Date
  2009-08-31
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] Some topics in the Waring-Goldbach problem for cubes2009
- Author(s)
  川田浩一
- Organizer
  Additive and Analytic Activities Conference
- Place of Presentation
  リール大学(リール,フランス共和国)
- Year and Date
  2009-07-01
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On the Waring-Goldbach problem and related topics2009
- Author(s)
  Koichi Kawada
- Organizer
  Pan Asian Number Theory Conference
- Place of Presentation
  Pohang Univ. of Science and Technology., 韓国
- Year and Date
  2009-01-10
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] 篩の方法の概要と応用例2009
- Author(s)
  川田浩一
- Organizer
  第2回ゼータ若手研究集会
- Place of Presentation
  名古屋大学多元数理科学研究科
- Year and Date
  2009-02-19
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] 篩の方法の概要と応用例2009
- Author(s)
  川田浩一
- Organizer
  第2回ゼータ若手研究集会
- Place of Presentation
  名古屋大学多元数理科学研究科(愛知県)
- Year and Date
  2009-02-19
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On the Waring-Goldbach problem and related topics2009
- Author(s)
  川田浩一
- Organizer
  Pan Asian Number Theory Conference
- Place of Presentation
  浦項工科大学(浦項,大韓民国)
- Year and Date
  2009-01-10
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] Some topics in the Waring-Goldbach problem for cubes.2009
- Author(s)
  K.Kawada
- Organizer
  Additive and Analytical Activities Conference
- Place of Presentation
  リール大学(フランス)
- Year and Date
  2009-07-01
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On exceptional sets in Waring's problem for cubes.2009
- Author(s)
  K.Kawada
- Organizer
  Zeta Function Days in Seoul
- Place of Presentation
  延世大学(大韓民国)
- Year and Date
  2009-08-31
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On the exceptional sets for the Waring-Goldbach problem for cubes2008
- Author(s)
  Koichi Kawada
- Organizer
  Canadian Number Theory Association X Meeting
- Place of Presentation
  Univqrsity of Waterloo,Canada
- Year and Date
  2008-07-05
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] Restricted moments of the number of representations in Waring's problem2008
- Author(s)
  Koichi Kawada
- Organizer
  The fifth China-Japan Conference on Number Theory
- Place of Presentation
  近畿大学理工学部
- Year and Date
  2008-08-30
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On the exceptional sets for the Waring-Goldbach problem for cubes2008
- Author(s)
  川田浩一
- Organizer
  Canadian Number Theory Association X Meeting
- Place of Presentation
  ウォータールー大学(ウォータールー,カナダ)
- Year and Date
  2008-07-15
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] Restricted moments of the number of representations in Waring's problem2008
- Author(s)
  川田浩一
- Organizer
  The fifth China-Japan Conference on Number Theory
- Place of Presentation
  近畿大学理工学部(大阪府)
- Year and Date
  2008-08-30
- Data Source
  KAKENHI-PROJECT-20540002
[Presentation] On the density of natural numbers not represented by sums of cubes of primes2007
- Author(s)
  Koichi Kawada
- Organizer
  Analytic Number Theory and Related Areas
- Place of Presentation
  Kyoto University
- Year and Date
  2007-10-19
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On the density of natural numbers not represented by sums of cubes of primes.2007
- Author(s)
  川田浩一
- Organizer
  解析的整数論とその周辺
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-10-19
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On the density of natural numbers not represented by sums of cubes of primes.2007
- Author(s)
  川田浩一
- Organizer
  研究集会「解析的整数論とその周辺」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2007-10-19
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On Waring''s problem for cubes of smooth numbers2006
- Author(s)
  Koichi Kawada
- Organizer
  Workshop on Additive Combinatorics
- Place of Presentation
  University of Montreal
- Year and Date
  2006-04-12
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On sums of fifteen fourth powers.2006
- Author(s)
  川田浩一
- Organizer
  研究集会「解析的整数論」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2006-10-13
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] Explicit conclusions in Waring's problem for biquadrates.2006
- Author(s)
  川田浩一
- Organizer
  Theorie analytique des nombres.
- Place of Presentation
  Center International de Rencontres Mathematiques
- Year and Date
  2006-09-15
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On sums of fifteen fourth powers2006
- Author(s)
  Koichi Kawada
- Organizer
  Analytic Number Theory
- Place of Presentation
  Kyoto University
- Year and Date
  2006-10-13
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] Explicit conclusions in Waring''s problem for biquadrates2006
- Author(s)
  Koichi Kawada
- Organizer
  Theorie Analytique des Nombres
- Place of Presentation
  Center International de Rencontres Mathematiques
- Year and Date
  2006-09-15
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On Waring's problem for cubes of smooth numbers.2006
- Author(s)
  川田浩一
- Organizer
  Workshop on Additive Combinatorics.
- Place of Presentation
  University of Montreal.
- Year and Date
  2006-04-12
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On the sum of five cubes of primes.2006
- Author(s)
  川田浩一
- Organizer
  The fourth China-Japan Conference on Number Theory
- Place of Presentation
  Shandong University Academic Center.
- Year and Date
  2006-09-02
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On the sum of five cubes of primes2006
- Author(s)
  Koichi Kawada
- Organizer
  The fourth China-Japan Conference on Number Theory
- Place of Presentation
  Shandong University Academic Center
- Year and Date
  2006-09-02
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On sums of cubes of smooth numbers2005
- Author(s)
  Koichi Kawada
- Organizer
  Analytic Number Theory
- Place of Presentation
  Kyoto University
- Year and Date
  2005-10-18
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17540004
[Presentation] On sums of cubes of smooth numbers.2005
- Author(s)
  川田浩一
- Organizer
  研究集会「解析的整数論」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2005-10-18
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17540004

1. OSHIKIRI Genーichi (70133931)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
2. AKIO Miyai (70003960)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
3. KOMIYAMA Haruo (90042762)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
4. NUMATA Minoru (50028255)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
5. FUMIO Nakajima (20004484)

# of Collaborated Projects: 6 results

# of Collaborated Products: 0 results
6. KOJIMA Hisashi (90146118)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
7. Honda Takashi (30633531)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. IWATA Yukiko (60466456)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. IIDA Masato (00242264)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. TAKEUCHI Kisao (00011560)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. SAKAI Fumio (40036596)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. MIZUTANI Tadayoshi (20080492)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. SAKAMOTO Kunio (70089829)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. KISHIMOTO Takashi (20372576)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 小池茂昭 (90205295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. KAMINO Shogo

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

KAWADA Koichi 川田 浩一

川田 浩一 カワダ コウイチ

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Research on additive problems concerning powers of primes.Principal Investigator

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Research on density estimates for exceptional sets associated with additive representations of natural numbersPrincipal Investigator

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加法的問題における特異級数の研究Principal Investigator

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ワーリング問題およびワーリング・ゴールドバッハ問題の,主に低い次数の場合の研究Principal Investigator

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千乗数を中心に，比較的小さいべきに対するワーリング問題の研究Principal Investigator

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KAWADA Koichi 川田浩一

川田浩一カワダコウイチ