Iwai Masataka 岩井雅崇

… Alternative Names

岩井雅崇イワイマサタカ

Less

Researcher Number	80880640
Other IDs
Affiliation (Current)	2025: 大阪大学, 大学院理学研究科, 助教
Affiliation (based on the past Project Information) *help	2022 – 2023: 大阪大学, 大学院理学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 11020:Geometry-related
Keywords	Principal Investigator オービフォールド / アバンダンス予想 / 余接ベクトル束 / KLT多様体 / 弱Fano多様体 / 第2チャーン類 / 非負曲率 / 擬有効 / 接ベクトル束

Research Projects
(1 results)
Research Products
(18 results)

オービフォルド構造に注目した非負曲率の研究および代数多様体の分類理論への応用Principal Investigator
- Principal Investigator
  
  岩井雅崇
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Osaka University

All 2024 2023 2022

All Journal Article Presentation

[Journal Article] Positivity of extensions of vector bundles2024
- Author(s)
  Ejiri Sho、Fujino Osamu、Iwai Masataka
- Journal Title
  
  Mathematische Zeitschrift
  
  Volume: 306 Issue: 3 Pages: 00-00
- DOI
  10.1007/s00209-023-03428-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K13907, KAKENHI-PROJECT-21H04994
[Journal Article] On asymptotic base loci of relative anti-canonical divisors of algebraic fiber spaces2023
- Author(s)
  Ejiri Sho、Iwai Masataka、Matsumura Shin-ichi
- Journal Title
  
  Journal of Algebraic Geometry
  
  Volume: 32 Issue: 3 Pages: 477-517
- DOI
  10.1090/jag/814
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K13907, KAKENHI-PROJECT-19KK0342, KAKENHI-PROJECT-20H00116, KAKENHI-PROJECT-23K20789
[Journal Article] On the structure of a log smooth pair in the equality case of the Bogomolov-Gieseker inequality2023
- Author(s)
  Masataka Iwai.
- Journal Title
  
  Annales de l’Institut Fourier
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K13907
[Journal Article] Almost nef regular foliations and Fujita's decomposition of reflexive sheaves2022
- Author(s)
  Iwai Masataka
- Journal Title
  
  ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE
  
  Volume: - Pages: 719-743
- DOI
  10.2422/2036-2145.202010_055
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Miyaoka type inequality for terminal weak Fano varieties.2023
- Author(s)
  Masataka Iwai
- Organizer
  複素解析幾何セミナー,
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Positivity of tangent sheaves of projective klt varieties2023
- Author(s)
  Masataka Iwai
- Organizer
  Young Perspectives on Algebraic Geometry,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] On minimal projective manifolds with vanishing second Chern classes2023
- Author(s)
  Masataka Iwai
- Organizer
  2023 Pacific Rim Complex & Symplectic Geometry Conference
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Positivity of tangent sheaves of projective klt varieties2023
- Author(s)
  Masataka Iwai
- Organizer
  第29回複素幾何シンポジウム
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal projective manifolds with vanishing second Chern classes2022
- Author(s)
  岩井雅崇
- Organizer
  大阪大学幾何学セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022
- Author(s)
  岩井雅崇
- Organizer
  第28回複素幾何シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class’2022
- Author(s)
  岩井雅崇
- Organizer
  東工大幾何セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022
- Author(s)
  Masataka Iwai
- Organizer
  Workshop on Complex Analysis and Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] 曲率が0以上の複素射影多様体の構造定理’2022
- Author(s)
  岩井雅崇
- Organizer
  第18回代数・解析・幾何学セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal projective manifolds with vanishing second Chern classes2022
- Author(s)
  岩井雅崇
- Organizer
  京大東大代数幾何セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022
- Author(s)
  岩井雅崇
- Organizer
  第69回幾何学シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] チャーン類が消えているlog smooth対の構造について2022
- Author(s)
  岩井雅崇
- Organizer
  Workshop on Complex Geometry in Osaka 2023
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] Fujita decomposition theorem for pseudo-effective reflexive sheaves and its applications.’ University of Bayreuth2022
- Author(s)
  Masataka Iwai
- Organizer
  Bayreuth Seminar
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13907
[Presentation] 曲率が0以上の複素射影多様体の構造定理2022
- Author(s)
  岩井雅崇
- Organizer
  大阪大学談話会
- Invited
- Data Source
  KAKENHI-PROJECT-22K13907

Iwai Masataka 岩井 雅崇

岩井 雅崇 イワイ マサタカ

Research Projects

Research Products

オービフォルド構造に注目した非負曲率の研究および代数多様体の分類理論への応用Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Positivity of extensions of vector bundles2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On asymptotic base loci of relative anti-canonical divisors of algebraic fiber spaces2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On the structure of a log smooth pair in the equality case of the Bogomolov-Gieseker inequality2023

Author(s)

Journal Title

Data Source

[Journal Article] Almost nef regular foliations and Fujita's decomposition of reflexive sheaves2022

Author(s)

Journal Title

DOI

Data Source

[Presentation] Miyaoka type inequality for terminal weak Fano varieties.2023

Author(s)

Organizer

Data Source

[Presentation] Positivity of tangent sheaves of projective klt varieties2023

Author(s)

Organizer

Data Source

[Presentation] On minimal projective manifolds with vanishing second Chern classes2023

Author(s)

Organizer

Data Source

[Presentation] Positivity of tangent sheaves of projective klt varieties2023

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal projective manifolds with vanishing second Chern classes2022

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class’2022

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022

Author(s)

Organizer

Data Source

[Presentation] 曲率が0以上の複素射影多様体の構造定理’2022

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal projective manifolds with vanishing second Chern classes2022

Author(s)

Organizer

Data Source

[Presentation] Abundance theorem for minimal compact Kahler manifolds with vanishing second Chern class2022

Author(s)

Organizer

Data Source

[Presentation] チャーン類が消えているlog smooth対の構造について2022

Author(s)

Organizer

Data Source

[Presentation] Fujita decomposition theorem for pseudo-effective reflexive sheaves and its applications.’ University of Bayreuth2022

Author(s)

Organizer

Iwai Masataka 岩井雅崇

岩井雅崇イワイマサタカ