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IZUMI Keisuke  泉 圭介

… Alternative Names

Izumi Keisuke  泉 圭介

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Researcher Number 90554501
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-6653-4724
Affiliation (Current) 2025: 名古屋大学, 多元数理科学研究科, 准教授
Affiliation (based on the past Project Information) *help 2024: 名古屋大学, 多元数理科学研究科, 准教授
2020 – 2023: 名古屋大学, 素粒子宇宙起源研究所, 講師
2019 – 2020: 名古屋大学, 素粒子宇宙起源研究所, 助教
2017 – 2019: 名古屋大学, 基礎理論研究センター, 助教
Review Section/Research Field
Principal Investigator
Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Particle/Nuclear/Cosmic ray/Astro physics
Except Principal Investigator
Transformative Research Areas, Section (II) / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Geometry
Keywords
Principal Investigator
重力理論 / 一般相対性理論 / 宇宙物理 / 時間発展のユニタリ性 / 因果構造
Except Principal Investigator
宇宙論 / ブラックホール / 素粒子論 / ホログラフィー原理 / 一般相対論 … More / 重力理論 / 高次元宇宙モデル / 修正重力理論 / 反deSitter時空 / ゲージ・重力対応 / 重力波 / 強重力 / ホログラフィー / ブレーンワールド / 高次元時空 / インフレーション / 散乱振幅 / 弦理論のランドスケープ / ブラックホールエントロピー / ランドスケープとスワンプランド / 標準模型を超えた物理 / アクシオン暗黒物質 / 時空の熱力学 / 面積定理 / アクシオン / ブラックホール熱力学 / 散乱行列理論 / 暗黒物質 / スワンプランド / 弱い重力予想 / 弦理論 / 量子重力 / 量子スピン系 / 量子ホール効果 / 冷却原子 / テンソルネットワーク / 物性物理 / ゲージ重力対応 / 物性理論 / 量子情報理論 / モジュライ理論 / 一般相対性理論 / 曲率流 / トーリック多様体 / 3次元多様体 / ブラックホールの幾何学 / 3次元多様体論 / 山辺の理論 / 高次元ブラックホール時空 / 4次元位相幾何学 / 対称空間 / レンズ空間 / ブラックホール定常解 / 高次元ADM理論 / 特異点解消 / 高次元ブラックホール / 正質量定理とペンローズ不等式 / ADM理論 / 5次元ブラックホール時空 / 特異点解析 / ベッチ数 / ソリトン解 / ADM形式 / ブラックホール時空 / 山辺不変量 / 3次元多様体 / 高次元アインシュタイン方程式 / シグマモデル / 調和関数 / キャスナー型漸近構造 / 重力インスタントン解 / 重力ソリトン解 / 真空アインシュタイン方程式 / 非線形偏微分方程式 / ハミルトン形式 / 微分幾何学 / 変分法 / 調和写像 / アインシュタイン方程式 Less
  • Research Projects

    (6 results)
  • Research Products

    (75 results)
  • Co-Researchers

    (26 People)
  •  重力幾何学の新展開と量子重力解析への応用Principal Investigator

    • Principal Investigator
      泉 圭介
    • Project Period (FY)
      2024 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      Nagoya University
  •  The Natural Laws of Extreme Universe--A New Paradigm for Spacetime and Matter from Q uantum Information

    • Principal Investigator
      高柳 匡
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Transformative Research Areas (A)
    • Review Section
      Transformative Research Areas, Section (II)
    • Research Institution
      Kyoto University
  •  Mathematical quantum cosmology based on quantum information and its application

    • Principal Investigator
      白水 徹也
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Transformative Research Areas (A)
    • Review Section
      Transformative Research Areas, Section (II)
    • Research Institution
      Nagoya University
  •  Weak gravity conjectue and its application to particle physics and cosmology

    • Principal Investigator
      Noumi Toshifumi
    • Project Period (FY)
      2020 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      The University of Tokyo
      Kobe University
  •  Analysis of the superluminal modes by gravitational quantum effectPrincipal Investigator

    • Principal Investigator
      Izumi Keisuke
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Nagoya University
  •  The Einstein Equation and Three Dimensional Manifolds

    • Principal Investigator
      Yamada Sumio
    • Project Period (FY)
      2017 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Gakushuin University

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation Book

  • [Book] 重力理論解析への招待:古典論から量子論まで(SGCライブラリ 188),2023

    • Author(s)
      泉圭介
    • Total Pages
      176
    • Publisher
      サイエンス社
    • ISBN
      9784781915906
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Book] 数理科学 2017年8月号 No.650 特集:「相対論的思考法のすすめ」2017

    • Author(s)
      早田次郎、野海俊文、泉圭介、関口雄一郎、西岡辰磨、山本直希、樫山和己、多々良源、泉正己、鈴木増雄、谷村省吾
    • Total Pages
      100
    • Publisher
      株式会社 サイエンス社
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Book] 数理科学 2017年8月号 No.650 特集:「相対論的思考法のすすめ」2017

    • Author(s)
      早田次郎、野海俊文、泉圭介、関口雄一郎、西岡辰磨、山本直希、樫山和己、多々良源、泉正己、鈴木増雄、谷村省吾
    • Total Pages
      100
    • Publisher
      株式会社 サイエンス社
    • ISBN
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Journal Article] Boundary conditions for constraint systems in variational principle2023

    • Author(s)
      Izumi Keisuke、Shimada Keigo、Tomonari Kyosuke、Yamaguchi Masahide
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2023 Issue: 10 Pages: 1-15

    • DOI

      10.1093/ptep/ptad122

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Attractive gravity probe surface with positive cosmological constant2023

    • Author(s)
      Shiromizu Tetsuya、Izumi Keisuke
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2023 Issue: 10 Pages: 1-14

    • DOI

      10.1093/ptep/ptad119

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Attractive gravity probe surfaces in higher dimensions2023

    • Author(s)
      Izumi Keisuke、Tomikawa Yoshimune、Shiromizu Tetsuya、Yoshino Hirotaka
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2023 Issue: 4 Pages: 1-20

    • DOI

      10.1093/ptep/ptad046

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-20H01902
  • [Journal Article] High-energy properties of the graviton scattering in quadratic gravity2023

    • Author(s)
      Abe Yugo、Inami Takeo、Izumi Keisuke
    • Journal Title

      Journal of High Energy Physics

      Volume: 2023 Issue: 3 Pages: 1-61

    • DOI

      10.1007/jhep03(2023)213

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14719, KAKENHI-PROJECT-17H01091
  • [Journal Article] Attractive gravity probe surface, positivity of quasi-local mass, and Arnowitt-Deser-Misner mass expression2023

    • Author(s)
      Shiromizu Tetsuya、Izumi Keisuke
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2024 Issue: 1 Pages: 1-8

    • DOI

      10.1093/ptep/ptad159

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Asymptotic behavior of null geodesics near future null infinity. IV. Null-access theorem for generic asymptotically flat spacetime2023

    • Author(s)
      Masaya Amo、Keisuke Izumi、Yoshimune Tomikawa、Tetsuya Shiromizu、Hirotaka Yoshino
    • Journal Title

      Physical Review D

      Volume: 107 Issue: 12 Pages: 124050-124050

    • DOI

      10.1103/physrevd.107.124050

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22KJ1933, KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Asymptotic behavior of null geodesics near future null infinity II: curvatures, photon surface and dynamically transversely trapping surface2022

    • Author(s)
      Masaya Amo, Tetsuya Shiromizu, Keisuke Izumi, Hirotaka Yoshino, Yoshimune Tomikawa
    • Journal Title

      Physical Review D

      Volume: 105 Issue: 6 Pages: 064074-064074

    • DOI

      10.1103/physrevd.105.064074

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03654, KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-20H01902
  • [Journal Article] Brane dynamics of holographic BCFTs2022

    • Author(s)
      Izumi Keisuke、Shiromizu Tetsuya、Suzuki Kenta、Takayanagi Tadashi、Tanahashi Norihiro
    • Journal Title

      Journal of High Energy Physics

      Volume: 2022 Issue: 10 Pages: 1-50

    • DOI

      10.1007/jhep10(2022)050

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03623, KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05187, KAKENHI-PROJECT-17H01091, KAKENHI-ORGANIZER-21H05182, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-21H04469, KAKENHI-PROJECT-20H01902
  • [Journal Article] Refined inequalities for a loosely trapped surface and attractive gravity probe surface2022

    • Author(s)
      Lee Kangjae、Shiromizu Tetsuya、Izumi Keisuke
    • Journal Title

      Physical Review D

      Volume: 105 Issue: 4 Pages: 044037-044037

    • DOI

      10.1103/physrevd.105.044037

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-20H01902
  • [Journal Article] Maximum size of black holes in our accelerating Universe2022

    • Author(s)
      Shiromizu Tetsuya、Izumi Keisuke、Lee Kangjae、Soligon Diego
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 8 Pages: 084014-084014

    • DOI

      10.1103/physrevd.106.084014

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Four types of attractive gravity probe surfaces2022

    • Author(s)
      Lee Kangjae、Shiromizu Tetsuya、Izumi Keisuke、Yoshino Hirotaka、Tomikawa Yoshimune
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 6 Pages: 064028-064028

    • DOI

      10.1103/physrevd.106.064028

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-23K22491, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902
  • [Journal Article] Asymptotic behavior of null geodesics near future null infinity. III. Photons towards inward directions2022

    • Author(s)
      Amo Masaya、Izumi Keisuke、Tomikawa Yoshimune、Yoshino Hirotaka、Shiromizu Tetsuya
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 8 Pages: 084007-084007

    • DOI

      10.1103/physrevd.106.084007

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-23K22491, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-20H01902, KAKENHI-PROJECT-22KJ1933
  • [Journal Article] Invertible field transformations with derivatives: necessary and sufficient conditions2021

    • Author(s)
      Babichev Eugeny、Izumi Keisuke、Tanahashi Norihiro、Yamaguchi Masahide
    • Journal Title

      Advances in Theoretical and Mathematical Physics

      Volume: 25 Issue: 2 Pages: 309-325

    • DOI

      10.4310/atmp.2021.v25.n2.a2

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Journal Article] Uniqueness of static spacetime with conformal scalar in higher dimensions2021

    • Author(s)
      Izumi Keisuke、Tomikawa Yoshimune、Shiromizu Tetsuya
    • Journal Title

      Physical Review D

      Volume: 104 Issue: 10 Pages: 104025-104025

    • DOI

      10.1103/physrevd.104.104025

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PLANNED-21H05189, KAKENHI-PROJECT-17H01091
  • [Journal Article] Holographic entanglement entropy of a de Sitter braneworld with Lovelock terms2021

    • Author(s)
      Kushihara Kouki、Izumi Keisuke、Shiromizu Tetsuya
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2021 Issue: 4

    • DOI

      10.1093/ptep/ptab038

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091
  • [Journal Article] Asymptotic behavior of null geodesics near future null infinity: Significance of gravitational waves2021

    • Author(s)
      Masaya Amo, Keisuke Izumi, Yoshimune Tomikawa, Hirotaka Yoshino, Tetsuya Shiromizu
    • Journal Title

      Physical Review D

      Volume: 104 Issue: 6 Pages: 064025-064025

    • DOI

      10.1103/physrevd.104.064025

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03654, KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-20H01902
  • [Journal Article] Area bound for surfaces in generic gravitational field2021

    • Author(s)
      Keisuke Izumi, Yoshimune Tomikawa, Tetsuya Shiromizu, Hirotaka Yoshino
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2021 Issue: 8 Pages: 1-28

    • DOI

      10.1093/ptep/ptab089

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K03654, KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-20H01902, KAKENHI-PROJECT-17H01091
  • [Journal Article] Divergence equations and uniqueness theorem of static spacetimes with conformal scalar hair2021

    • Author(s)
      Shinohara Takeshi、Tomikawa Yoshimune、Izumi Keisuke、Shiromizu Tetsuya
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2021 Issue: 9

    • DOI

      10.1093/ptep/ptab107

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03551, KAKENHI-PROJECT-17H01091
  • [Journal Article] Perturbative S-matrix unitarity (S†S = 1) in R^{2}_{μν} gravity2021

    • Author(s)
      Yugo Abe, Takeo Inami, Keisuke Izumi
    • Journal Title

      Modern Physics Letters A

      Volume: 印刷中 Issue: 16 Pages: 2150105-2150105

    • DOI

      10.1142/s0217732321501054

    • NAID

      120007175353

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14719, KAKENHI-PROJECT-17H01091
  • [Journal Article] Formation of dynamically transversely trapping surfaces and the stretched hoop conjecture2020

    • Author(s)
      Hirotaka Yoshino, Keisuke Izumi, Tetsuya Shiromizu, Yoshimune Tomikawa
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Journal Article] Formation of dynamically transversely trapping surfaces and the stretched hoop conjecture2020

    • Author(s)
      Yoshino Hirotaka、Izumi Keisuke、Shiromizu Tetsuya、Tomikawa Yoshimune
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2020 Issue: 5

    • DOI

      10.1093/ptep/ptaa050

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03654, KAKENHI-PROJECT-17H01091
  • [Journal Article] Loosely trapped surface and dynamically transversely trapping surface in Einstein?Maxwell systems2020

    • Author(s)
      Lee Kangjae、Shiromizu Tetsuya、Yoshino Hirotaka、Izumi Keisuke、Tomikawa Yoshimune
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2020 Issue: 10

    • DOI

      10.1093/ptep/ptaa133

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Journal Article] Transversely trapping surfaces: Dynamical version2020

    • Author(s)
      Yoshino Hirotaka、Izumi Keisuke、Shiromizu Tetsuya、Tomikawa Yoshimune
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2020 Issue: 2

    • DOI

      10.1093/ptep/ptz161

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K03654, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-16K05344, KAKENHI-PROJECT-17K14281
  • [Journal Article] S-matrix unitarity and renormalizability in higher-derivative theories2019

    • Author(s)
      Abe Yugo、Inami Takeo、Izumi Keisuke、Kitamura Tomotaka、Noumi Toshifumi
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2019 Issue: 8 Pages: 1-18

    • DOI

      10.1093/ptep/ptz084

    • NAID

      120006813352

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-18H04352, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-17H02894, KAKENHI-PROJECT-17K14281, KAKENHI-PROJECT-18K13539
  • [Journal Article] Divergence equations and uniqueness theorem of static black holes2018

    • Author(s)
      M. Nozawa, T. Shiromizu, K. Izumi, S. Yamada
    • Journal Title

      Class. Quant. Grav.

      Volume: 35 Issue: 17 Pages: 175009-175009

    • DOI

      10.1088/1361-6382/aad206

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-16K05344, KAKENHI-PROJECT-16K13758, KAKENHI-PROJECT-17K14281, KAKENHI-PROJECT-17H01091, KAKENHI-PROJECT-16H03933
  • [Journal Article] Matter scattering in quadratic gravity and unitarity2018

    • Author(s)
      Abe Yugo、Inami Takeo、Izumi Keisuke、Kitamura Tomotaka
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: Volume 2018, Issue 3 Issue: 3

    • DOI

      10.1093/ptep/pty010

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281, KAKENHI-PROJECT-17H01091
  • [Journal Article] Extension of photon surfaces and their area: Static and stationary spacetimes2017

    • Author(s)
      H.Yoshino, K.Izumi, T.Shiromizu and Y.Tomikawa
    • Journal Title

      PTEP

      Volume: 2017 Issue: 6

    • DOI

      10.1093/ptep/ptx072

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-16K05344, KAKENHI-PROJECT-17K14281, KAKENHI-PROJECT-17H01091
  • [Journal Article] On uniqueness of static spacetimes with non-trivial conformal scalar field2017

    • Author(s)
      Y.Tomikawa, T.Shiromizu and K.Izumi
    • Journal Title

      Class. Quant.Grav

      Volume: 34 Issue: 15 Pages: 155004-155004

    • DOI

      10.1088/1361-6382/aa7906

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05344, KAKENHI-PROJECT-17H01091
  • [Presentation] Area inequality in weak gravity region2024

    • Author(s)
      泉圭介
    • Organizer
      Nishinomiya-Yukawa Symposium "General Relativity and Beyond"
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] リーマン-ペンローズ不等式の一般化2024

    • Author(s)
      泉圭介
    • Organizer
      Physics meets Mathematics, Summary Workshop
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] リーマン-ペンローズ不等式の一般化2024

    • Author(s)
      泉圭介
    • Organizer
      一般相対論と幾何
    • Invited
    • Data Source
      KAKENHI-PROJECT-20H01902
  • [Presentation] リーマン-ペンローズ不等式の一般化2024

    • Author(s)
      泉圭介
    • Organizer
      一般相対論と幾何
    • Invited
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Area bound in weak gravity region2023

    • Author(s)
      泉圭介
    • Organizer
      The 5th KMI International Symposium (KMI2023) Quest for the Origin of Particles and the Universe
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Area bound in weak gravity region2023

    • Author(s)
      泉圭介
    • Organizer
      Kobe Workshop on Cosmology and Fundamental Physics 2023
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Area bound in weak gravity region2023

    • Author(s)
      Keisuke Izumi
    • Organizer
      IBS CTPU-CAG 2023 Workshop on Modified Gravity
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H01902
  • [Presentation] Generalization of Riemannian Penrose inequality2023

    • Author(s)
      泉圭介
    • Organizer
      The 32nd workshop on general relativity and gravitation in Japan
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Area bound in weak gravity region2023

    • Author(s)
      泉圭介
    • Organizer
      IBS CTPU-CAG 2023 Workshop on Modified Gravity
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] 弱重力場における面積不等式2022

    • Author(s)
      泉圭介
    • Organizer
      日本物理学会2022年度秋季大会
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Generalization of Riemannian Penrose inequality in weak gravity region2022

    • Author(s)
      泉圭介
    • Organizer
      The 31st workshop on general relativity and gravitation in Japan
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] 弱重力中の面積不等式:リーマン・ペンローズ不等式の一般化2022

    • Author(s)
      泉圭介
    • Organizer
      第5回ブラックホール研究会
    • Invited
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] 弱重力中の面積不等式:リーマン・ペンローズ不等式の一般化2022

    • Author(s)
      Keisuke Izumi
    • Organizer
      第5回ブラックホール研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-20H01902
  • [Presentation] Area inequality in weak gravity region2022

    • Author(s)
      Keisuke Izumi
    • Organizer
      Quantum extreme universe from quantum information
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H01902
  • [Presentation] Area inequality in weak gravity region2022

    • Author(s)
      泉圭介
    • Organizer
      Quantum extreme universe from quantum information
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Area bound for surfaces in general relativity2021

    • Author(s)
      Keisuke Izumi
    • Organizer
      LeCosPA 4th International Symposium Unity of Physics - From Plasma Wakefields to Black Holes
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H01902
  • [Presentation] Area bound for surfaces in general relativity2021

    • Author(s)
      泉圭介
    • Organizer
      LeCosPA 4th International Symposium Unity of Physics - From Plasma Wakefields to Black Holes
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-21H05189
  • [Presentation] Causal structures in Gauss-Bonnet gravity2020

    • Author(s)
      泉 圭介
    • Organizer
      4th Korea-Japan bilateral workshop on String axion cosmology (鹿児島)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Causal structures in Gauss-Bonnet gravity2020

    • Author(s)
      泉 圭介
    • Organizer
      Miyazaki Workshop on Particle Physics and Cosmology in 2020
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Causal structures in Gauss-Bonnet gravity2020

    • Author(s)
      泉 圭介
    • Organizer
      4th Korea-Japan bilateral workshop on String axion cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] S-matrix Unitarity and Renormalizability2019

    • Author(s)
      泉 圭介
    • Organizer
      VAST physics seminar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] S-matrix Unitarity and Renormalizability2019

    • Author(s)
      泉 圭介
    • Organizer
      1-day Workshop on Quantum Gravity (理化学研究所)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Invertible eld transformations with derivatives: necessary and sufficient con- ditions2019

    • Author(s)
      泉 圭介
    • Organizer
      3rd Korea-Japan bilateral workshop on String axion cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Invertible field transformations with derivatives: necessary and sufficient conditions2019

    • Author(s)
      泉 圭介
    • Organizer
      Gravitation and Mathematical Relativity (China)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Causal structures in Gauss-Bonnet gravity2019

    • Author(s)
      泉 圭介
    • Organizer
      the APCTP workshop of Gravity, Strings and QM Matter (Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Causal structures in Gauss-Bonnet gravity2019

    • Author(s)
      泉 圭介
    • Organizer
      the APCTP workshop of Gravity, Strings and QM Matter
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Invertible field transformations with derivatives: necessary and sufficient conditions2019

    • Author(s)
      泉 圭介
    • Organizer
      3rd Korea-Japan bilateral workshop on String axion cosmology, (Korea)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Penrose inequality" for photon surface2019

    • Author(s)
      泉 圭介
    • Organizer
      Mini-workshop \Black holes and neutron stars imagination and reality"
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Penrose inequality" for photon surface2019

    • Author(s)
      泉 圭介
    • Organizer
      Mini-workshop Black holes and neutron stars imagination and reality", (Vietnam)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Locality and Causality2019

    • Author(s)
      泉 圭介
    • Organizer
      The 2nd Korea-Japan bilateral workshop on String Axion Cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Locality and Causality,2019

    • Author(s)
      泉 圭介
    • Organizer
      The 2nd Korea-Japan bilateral workshop on String Axion Cosmology, 雲仙,2019 年 1 月
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] Causal structures in Gauss-Bonnet gravity2019

    • Author(s)
      泉 圭介
    • Organizer
      Miyazaki Workshop on Particle Physics and Cosmology in 2020 (宮崎)
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] S-matrix Unitarity and Renormalizability2019

    • Author(s)
      泉 圭介
    • Organizer
      “ 1-day Workshop on Quantum Gravity ”
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] S-matrix unitarity and renormalizability,2018

    • Author(s)
      泉 圭介
    • Organizer
      Essential next steps for gravity and cosmology, 東北大学,2018 年 6 月.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] S-matrix Unitarity and Renormalizability in Higher Derivative Theories2018

    • Author(s)
      泉 圭介
    • Organizer
      The 28th Workshop on General Relativity and Gravitation in Japan - JGRG28
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Loosely trapped surface,2018

    • Author(s)
      泉 圭介
    • Organizer
      Korea-Japan bilateral workshop on String axion cosmology, Sungkyunkwan University (Korea),2018 年 11 月
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] On uniqueness of static black hole in Einstein-conformal scalar2018

    • Author(s)
      泉 圭介
    • Organizer
      Korea-Japan bilateral workshop on String axion cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Loosely trapped surface2018

    • Author(s)
      泉 圭介
    • Organizer
      Korea-Japan bilateral workshop on String axion cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] On uniqueness of static black hole in Einstein-conformal scalar,2018

    • Author(s)
      泉 圭介
    • Organizer
      Korea-Japan bilateral workshop on String axion cosmology, Sungkyunkwan University (Korea), 2018 年 11 月
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] S-matrix unitarity and renormalizability2018

    • Author(s)
      泉 圭介
    • Organizer
      Essential next steps for gravity and cosmology
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] 因果構造解析2017

    • Author(s)
      泉 圭介
    • Organizer
      相対論宇宙論 東北研究会 2017
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Loosely trapped surface2017

    • Author(s)
      Keisuke Izumi
    • Organizer
      Third LeCosPA International Symposium
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K14281
  • [Presentation] Loosely trapped surface2017

    • Author(s)
      Keisuke Izumi
    • Organizer
      Third LeCosPA International Symposium ,C.C. Leung Cosmology Hall(台湾大学、台湾台北市)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H01091
  • [Presentation] 因果構造解析2017

    • Author(s)
      泉 圭介
    • Organizer
      相対論宇宙論 東北研究会 2017,東北大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H01091
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