ENDO Naoki 遠藤直樹

… Alternative Names

Endo Naoki 遠藤直樹

谷口直樹タニグチナオキ

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Researcher Number	30782510
Other IDs	https://orcid.org/0000-0001-9343-7161
Affiliation (Current)	2025: 明治大学, 政治経済学部, 専任講師
Affiliation (based on the past Project Information) *help	2022 – 2023: 明治大学, 政治経済学部, 専任講師 2021: 東京理科大学, 理学部第二部数学科, 講師 2020: 明治大学, 研究・知財戦略機構(生田), 研究推進員(客員研究員) 2018 – 2019: 早稲田大学, グローバルエデュケーションセンター, 講師(任期付) 2017: 早稲田大学, グローバルエデュケーションセンター, 助教 2016 – 2017: 明治大学, 理工学部, 助教
Review Section/Research Field	Principal Investigator Basic Section 11010:Algebra-related / Algebra Except Principal Investigator Algebra
Keywords	Principal Investigator Weakly Arf環 / Arf環 / Cohen-Macaulay環 / Ulrichイデアル / Almost Gorenstein環 / Gorenstein環 / Srtictly closed環 / Zariski予想 / weakly Arf環 / strictly closed環 … More / 拡大正準イデアル / Sally加群 / 正準イデアル / Goto環 / 代数学 / 可換環論 / Gorenstien環 / Fiber積 / 行列式環 / Rees代数 … More Except Principal Investigator 随伴次数環 / 正規ヒルベルト係数 / リース代数 / 行列式環 / 数値半群環 / 極小自由分解 / 正準イデアル / サリー加群 / コーエン・マコーレー環 / ゴレンシュタイン環 / アーフ環 / 概ゴレンシュタイン環 / 可換環論 / Arf環 / Rees代数 / 系列的Cohen-Macaulay環 / Gorenstein環 / Almost Gorenstein環 Less

Towards the theory of Arf rings of higher dimensionPrincipal Investigator
- Principal Investigator
  
  遠藤直樹
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Meiji University
Stratification of Cohen-Macaulay ringsPrincipal Investigator
- Principal Investigator
  
  Endo Naoki
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Meiji University
  Tokyo University of Science
Development of the theory of almost Gorenstein ringsPrincipal Investigator
- Principal Investigator
  
  Endo Naoki
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Waseda University
Developement of the theory of non-Gorenstein rings and a study of j-multiplicity
- Principal Investigator
  
  Tran Thi Phuong
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Meiji University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation Book

[Book] 数学基礎プラスβ(最適化編)2019 -利益の最大化は損失を最小にするか?-2019
- Author(s)
  齋藤正顕，高木悟，谷口直樹
- Total Pages
  228
- Publisher
  早稲田大学出版会
- ISBN
  4657190067
- Data Source
  KAKENHI-PROJECT-17K14176
[Book] 数学基礎プラスβ(最適化編)20182018
- Author(s)
  齋藤正顕，高木悟，谷口直樹
- Total Pages
  238
- Publisher
  加藤文明社
- ISBN
  9784657180087
- Data Source
  KAKENHI-PROJECT-17K14176
[Journal Article] Rings with q-torsionfree canonical modules2024
- Author(s)
  Naoki Endo, Laura Ghezzi, Shiro Goto, Jooyoun Hong, Shin-ichiro Iai, Toshinori Kobayashi, Naoyuki Matsuoka, and Ryo Takahashi
- Journal Title
  
  The Mathematical Legacy of Wolmer V. Vasconcelos, De Gruyter Proceedings in Mathematics
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Rings with q-torsionfree canonical modules2024
- Author(s)
  Naoki Endo, Laura Ghezzi, Shiro Goto, Jooyoun Hong, Shin-ichiro Iai, Toshinori Kobayashi, Naoyuki Matsuoka, and Ryo Takahashi
- Journal Title
  
  The Mathematical Legacy of Wolmer V. Vasconcelos, De Gruyter Proceedings in Mathematics
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03058
[Journal Article] Ulrich ideals in the ring k[[t^5,t^11]]2024
- Author(s)
  Naoki Endo, Shiro Goto, Shin-ichiro Iai, and Naoyuki Matsuoka
- Journal Title
  
  International Journal of Algebra and Computation
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Reflexive modules over the endomorphism algebras of reflexive trace ideals2024
- Author(s)
  Endo Naoki and Goto Shiro
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 印刷中 Issue: 8 Pages: 107662-107662
- DOI
  10.1016/j.jpaa.2024.107662
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K03058, KAKENHI-PROJECT-20K14299
[Journal Article] Remarks on almost Gorenstein rings2024
- Author(s)
  Endo Naoki and Matsuoka Naoyuki
- Journal Title
  
  Communications in Algebra
  
  Volume: 52 Issue: 7 Pages: 2884-2891
- DOI
  10.1080/00927872.2024.2310163
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K03058, KAKENHI-PROJECT-20K14299
[Journal Article] Ulrich ideals in the ring k[[t^5, t^11]]2024
- Author(s)
  Naoki Endo, Shiro Goto, Shin-ichiro Iai, and Naoyuki Matsuoka
- Journal Title
  
  International Journal of Algebra and Computation
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K03058
[Journal Article] On the weakly Arf (S_2)-ifications of Noetherian rings2023
- Author(s)
  Naoki Endo, Shiro Goto, Shin-ichiro Iai, and Naoyuki Matsuoka
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] On the ubiquity of Arf rings2023
- Author(s)
  Celikbas Ela, Celikbas Olgur, Ciuperca Catalin, Endo Naoki, Goto Shiro, Isobe Ryotaro, and Matsuoka Naoyuki
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: 15 Issue: 2 Pages: 177-231
- DOI
  10.1216/jca.2023.15.177
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03058, KAKENHI-PROJECT-20K14299
[Journal Article] On the Weakly Arf (S2)-ifications of Noetherian rings2023
- Author(s)
  Endo Naoki, Goto Shiro, Iai Shin-ichiro, and Matsuoka Naoyuki
- Journal Title
  
  Journal of Commutative Algebra
  
  Volume: 15 Issue: 3 Pages: 303-319
- DOI
  10.1216/jca.2023.15.303
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K03058, KAKENHI-PROJECT-20K14299
[Journal Article] When are the rings I:I Gorenstein?2023
- Author(s)
  Naoki Endo, Shiro Goto, Shin-ichiro Iai, and Naoyuki Matsuoka
- Journal Title
  
  Communications in Algebra
  
  Volume: 51 Issue: 4 Pages: 1721-1734
- DOI
  10.1080/00927872.2022.2141764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299, KAKENHI-PROJECT-18K03227
[Journal Article] Ulrich ideals in numerical semigroup rings of small multiplicity2022
- Author(s)
  Endo Naoki and Goto Shiro
- Journal Title
  
  Journal of Algebra
  
  Volume: 611 Pages: 435-479
- DOI
  10.1016/j.jalgebra.2022.08.016
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Almost Gorenstein determinantal rings of symmetric matrices2022
- Author(s)
  Ela Celikbas, Naoki Endo, Jai Laxmi, and Jerzy Weyman
- Journal Title
  
  Communications in Algebra
  
  Volume: 50 Issue: 12 Pages: 5449-5458
- DOI
  10.1080/00927872.2022.2086260
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Almost Gorenstein rings arising from fiber products2021
- Author(s)
  Endo Naoki、Goto Shiro、Isobe Ryotaro
- Journal Title
  
  Canadian Mathematical Bulletin
  
  Volume: 64 Issue: 2 Pages: 383-400
- DOI
  10.4153/s000843952000051x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20J10517, KAKENHI-PROJECT-21K03211, KAKENHI-PROJECT-20K14299
[Journal Article] Almost Gorenstein rings arising from fiber products2021
- Author(s)
  Naoki Endo, Shiro Goto, and Ryotaro Isobe
- Journal Title
  
  Canadian Mathematical Bulletin
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Construction of strictly closed rings2021
- Author(s)
  E. Naoki, S. Goto
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 150 Issue: 01 Pages: 119-129
- DOI
  10.1090/proc/15659
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03211, KAKENHI-PROJECT-20K14299
[Journal Article] Topics on strict closure of rings2021
- Author(s)
  Endo Naoki、Goto Shiro、Isobe Ryotaro
- Journal Title
  
  Research in the Mathematical Sciences
  
  Volume: 8 Issue: 4
- DOI
  10.1007/s40687-021-00292-1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20J10517, KAKENHI-PROJECT-21K03211, KAKENHI-PROJECT-21K13767, KAKENHI-PROJECT-20K14299
[Journal Article] Construction of strictly closed rings2021
- Author(s)
  Naoki Endo, Shiro Goto
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] On Ratliff-Rush closure of modules2020
- Author(s)
  Naoki Endo
- Journal Title
  
  Mathematica Scandinavica
  
  Volume: 126 Issue: 2 Pages: 170-188
- DOI
  10.7146/math.scand.a-119672
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14299
[Journal Article] Efficient generation of ideals in core subalgebras of the polynomial ring $k[t]$ over a field $k$2020
- Author(s)
  Endo Naoki、Goto Shiro、Matsuoka Naoyuki、Yamamoto Yuki
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 148 Issue: 8 Pages: 3283-3292
- DOI
  10.1090/proc/15032
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03227, KAKENHI-PROJECT-20K14299, KAKENHI-PROJECT-16K05112
[Journal Article] Efficient generation of ideals in core subalgebras of the polynomial ring k[t] over a field k2020
- Author(s)
  Naoki Endo, Shiro Goto, Naoyuki Matsuoka, and Yuki Yamamoto
- Journal Title
  
  Proceedings of the American Mathematical Society
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14176
[Journal Article] On Ratliff-Rush closure of modules2020
- Author(s)
  Naoki Endo
- Journal Title
  
  Mathematica Scandinavica
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] Sally modules of extended canonical ideals and Goto rings2024
- Author(s)
  遠藤直樹
- Organizer
  日本数学会2024年度年会
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Sally modules of extended canonical ideals and Goto rings2024
- Author(s)
  遠藤直樹
- Organizer
  日本数学会2024年度年会
- Data Source
  KAKENHI-PROJECT-23K03058
[Presentation] On the stratification of one-dimensional Cohen-Macaulay rings2023
- Author(s)
  遠藤直樹
- Organizer
  日本数学会2023年度年会
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Graded ideals whose quotient rings are Gorenstein2023
- Author(s)
  遠藤直樹
- Organizer
  日本数学会2023年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-23K03058
[Presentation] Ideals whose quotient rings are Gorenstein2023
- Author(s)
  遠藤直樹
- Organizer
  第34回可換環論セミナー
- Data Source
  KAKENHI-PROJECT-23K03058
[Presentation] Generalization of Gorenstein rings -from the past to the future-2023
- Author(s)
  Naoki Endo
- Organizer
  The 11th Japan-Vietnam Joint seminar on Commutative Algebra, by and for young mathematicians
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Graded ideals whose quotient rings are Gorenstein2023
- Author(s)
  遠藤直樹
- Organizer
  日本数学会2023年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Ideals whose quotient rings are Gorenstein2023
- Author(s)
  遠藤直樹
- Organizer
  第34回可換環論セミナー
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] When are the endomorphism rings of ideals Gorenstein?2022
- Author(s)
  Naoki Endo
- Organizer
  Commutative Algebra and Algebraic Geometry Seminar at the City University of New York
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Reflexive modules over the endomorphism algebras of reflexive trace ideals2022
- Author(s)
  Naoki Endo and Shiro Goto
- Organizer
  The 43rd Japan Symposium on Commutative Algebra
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] The Gorensteinness of the endomorphism rings of ideals2022
- Author(s)
  遠藤直樹
- Organizer
  特異点論月曜セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Ulrich ideals and numerical semigroup rings2022
- Author(s)
  Naoki Endo
- Organizer
  INdAM workshop: International meeting on numerical semigroups - Roma 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] The category of reflexive modules over one-dimensional Cohen-Macaulay rings2022
- Author(s)
  遠藤直樹
- Organizer
  東京可換環論セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Almost Gorenstein Determinantal Rings of Symmetric Matrices2022
- Author(s)
  Ela Celikbas, Naoki Endo, Jai Laxmi, and Jerzy Weyman
- Organizer
  AMS Fall Southeastern Sectional Meeting, Special Session on Combinatorial Commutative Algebra
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Ulrich ideals in numerical semigroup rings2022
- Author(s)
  遠藤直樹
- Organizer
  第33回可換環論セミナー
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Reflexive modules over the endomorphism algebras of reflexive trace ideals2022
- Author(s)
  遠藤直樹, 後藤四郎
- Organizer
  日本数学会2022年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Strict closure of rings2021
- Author(s)
  遠藤直樹
- Organizer
  東京可換環論セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Cohen-Macaulay環の階層化問題2021
- Author(s)
  遠藤直樹
- Organizer
  神楽坂代数セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Ulrich ideals with smallest number of generators2021
- Author(s)
  Naoki Endo
- Organizer
  The 42nd Symposium on Commutative Algebra
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Weakly Arf rings2020
- Author(s)
  Naoki Endo
- Organizer
  AMS Fall Eastern Virtual Sectional Meeting, Special Session on Homological Methods in Algebra
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Arf closure versus strict closure2020
- Author(s)
  遠藤直樹
- Organizer
  可換環論オンラインワークショップ
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] On weakly Arf rings2020
- Author(s)
  Naoki Endo
- Organizer
  AMS Spring Central Sectional Meeting, Special Session on Commutative Algebra and Connections with Algebraic Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14299
[Presentation] Almost Gorenstein Rees algebras2019
- Author(s)
  Naoki Endo
- Organizer
  Special Day: Commutative Algebra seminar
- Invited
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] Introduction to the theory of almost Gorenstein rings2019
- Author(s)
  Naoki Endo
- Organizer
  Sirince Commutative Algebra Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] On weakly Arf rings2019
- Author(s)
  Naoki Endo
- Organizer
  The 41st Japan Symposium on Commutative Algebra
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] Almost Gorenstein rings arising from fiber products2019
- Author(s)
  Naoki Endo
- Organizer
  第 32 回可換環論セミナー
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] Almost Gorenstein Rees algebras2019
- Author(s)
  Naoki Endo
- Organizer
  The 8th China-Japan-Korea International Symposium on Ring Theory
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14176
[Presentation] On the almost Gorenstein property of determinantal rings2017
- Author(s)
  谷口直樹
- Organizer
  日本数学会2017年度年会
- Place of Presentation
  首都大学東京
- Year and Date
  2017-03-24
- Data Source
  KAKENHI-PROJECT-26400054
[Presentation] On the almost Gorenstein property of determinantal rings2017
- Author(s)
  谷口直樹
- Organizer
  第29回可換環論セミナー
- Place of Presentation
  山口大学
- Year and Date
  2017-02-01
- Data Source
  KAKENHI-PROJECT-26400054
[Presentation] The almost Gorenstein Rees algebras of contracted ideals2016
- Author(s)
  後藤四郎・松岡直之・谷口直樹・吉田健一
- Organizer
  2016年度日本数学会年会
- Place of Presentation
  筑波大学
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-26400054
[Presentation] Almost Gorenstein rings2016
- Author(s)
  谷口直樹
- Organizer
  第61回代数学シンポジウム
- Place of Presentation
  佐賀大学
- Year and Date
  2016-09-07
- Invited
- Data Source
  KAKENHI-PROJECT-26400054
[Presentation] The almost Gorenstein Rees algebras of socle ideals2015
- Author(s)
  後藤四郎・松岡直之・谷口直樹・吉田健一
- Organizer
  2015年度日本数学会秋季年会
- Place of Presentation
  京都産業大学
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-26400054
[Presentation] 2次元正規特異点のpg-idealのRees代数のAlmost Gorenstein性2015
- Author(s)
  後藤四郎・松岡直之・谷口直樹・吉田健一
- Organizer
  2015年度日本数学会秋季年会
- Place of Presentation
  京都産業大学
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-26400054

1. Tran Thi Phuong (00649824)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. GOTO Shiro (50060091)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
3. 松岡直之 (80440155)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results

ENDO Naoki 遠藤 直樹

Endo Naoki 遠藤 直樹

谷口 直樹 タニグチ ナオキ

Research Projects

Research Products

Co-Researchers

Towards the theory of Arf rings of higher dimensionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Stratification of Cohen-Macaulay ringsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of the theory of almost Gorenstein ringsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Developement of the theory of non-Gorenstein rings and a study of j-multiplicity

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 数学基礎プラスβ(最適化編)2019 -利益の最大化は損失を最小にするか?-2019

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Book] 数学基礎プラスβ(最適化編)20182018

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Journal Article] Rings with q-torsionfree canonical modules2024

Author(s)

Journal Title

Data Source

[Journal Article] Rings with q-torsionfree canonical modules2024

Author(s)

Journal Title

Data Source

[Journal Article] Ulrich ideals in the ring k[[t^5,t^11]]2024

Author(s)

Journal Title

Data Source

[Journal Article] Reflexive modules over the endomorphism algebras of reflexive trace ideals2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Remarks on almost Gorenstein rings2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ulrich ideals in the ring k[[t^5, t^11]]2024

Author(s)

Journal Title

Data Source

[Journal Article] On the weakly Arf (S_2)-ifications of Noetherian rings2023

Author(s)

Journal Title

Data Source

[Journal Article] On the ubiquity of Arf rings2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On the Weakly Arf (S2)-ifications of Noetherian rings2023

Author(s)

Journal Title

ENDO Naoki 遠藤直樹

Endo Naoki 遠藤直樹

谷口直樹タニグチナオキ