UMETA Kouhei

Department of Liberal Arts and ScienceAssociate Professor

Researcher Information

Research Keyword

  • 佐藤超関数 ラプラス変換

Field Of Study

  • Natural sciences, Basic analysis, Basic analysis
Research activity information

Paper

  • Intuitive representation of local cohomology groups
    Daichi KOMORI; Kohei UMETA
    Journal of the Mathematical Society of Japan, Apr. 2020, Refereed
  • Laplace hyperfunctions from the viewpoint of \v{C}ech-Dolbeault cohomology
    梅田耕平
    RIMS Kokyuroku, 超局所解析と漸近解析, Feb. 2019, Not refereed
  • Laplace hyperfunctions in several variables
    Naofumi Honda; Kohei Umeta
    Journal of the Mathematical Society of Japan, 2018, Refereed, Not invited
  • On the theory of Laplace hyperfunctions in several variables
    Naofum Honda; Kohei Umeta
    RIMS Kôkyûroku, Algebraic analytic methods in complex partial differential equations, Apr. 2017, Not refereed, Not invited
    Corresponding
  • A Laplace transform of Laplace hyperfunctions in several variables
    Kohei Umeta
    RIMS Kôkyûroku Bessatsu B57, Several aspects of microlocal analysis, May 2016, Refereed, Not invited
    Lead
  • On the sheaf of Laplace hyperfunctions in several variables
    Naofumi Honda; Kohei Umeta
    RIMS Kôkyûroku Bessatsu B52, Exponential Analysis of Differential Equations and Related Topics, Nov. 2014, Refereed, Not invited
    Corresponding
  • Vanishing theorem for holomorphic functions of exponential type and Laplace hyperfunctions
    Kohei Umeta
    RIMS Kôkyûroku Bessatsu B40, Recent development of micro-local analysis for the theory of asymptotic analysis, Apr. 2013, Refereed, Not invited
    Lead
  • On the Sheaf of Laplace Hyperfunctions with Holomorphic Parameters
    Naofumi Honda; Kohei Umeta
    JOURNAL OF MATHEMATICAL SCIENCES-THE UNIVERSITY OF TOKYO, 2012, Refereed, Not invited
  • A cohomology vanishing theorem and Laplace hyper functions with holomorphic parameters
    Naofumi Honda; Kohei Umeta
    Rend. Sem. Mat. Univ. Police. Torino, 2011, Refereed, Not invited
    Corresponding

MISC

  • A vanishing theorem of global cohomology groups with values in the sheaf of Whitney jets with Gevery conditions
    Umeta Kohei; Shimoyama Tsubasa
    RIMS Kôkyûroku Bessatsu B75 New development of microlocal analysis and singular perturbation theory, Jun. 2019, Refereed, Not invited
    Lead
  • 多変数Laplace超関数について
    梅田耕平
    Hokkaido University Technical Report Series in Mathematics, Jan. 2013, Not refereed, Not invited
    Lead

Lectures, oral presentations, etc.

  • Laplace超関数の解の存在について
    梅田耕平
    代数解析日大研究集会「Recent topics in algebraic analysis」, Mar. 2023, Invited
  • Application of Laplace hyperfunctions to PDE with constant coefficients (joint work with,Naofumi Honda)
    Kohei Umeta
    RIMS Symposium on,Prospects in microlocal analysis and asymptotic analysis, Oct. 2022, Invited
  • On a vanishing theorem for the Cauchy-Riemann complex of Whitney jets with Gevrey conditions (joint work with N. Honda)
    RIMS Symposium「Microlocal Analysis and Asymptotic Analysis」, Nov. 2019, Invited
  • 佐藤超関数とラプラス超関数
    第9回釧路高専 若手理・工学セミナー, Aug. 2019, Not invited
  • Laplace hyperfunction and \v{C}ech-Dolbeault cohomology
    代数解析学の諸問題, Mar. 2019, Not invited
  • Laplace hyperfunction and \v{C}ech-Dolbeault cohomology
    Kohei Umeta
    The 20th Norheastern Symposium on Mathematical Analysis, Feb. 2019, Not invited
  • Introduction to Laplace Hyperfunctions
    INFORMATION'2018, Dec. 2018, Not invited
  • Laplace hyperfunctions from the viewpoint of \v{C}ech-Dolbeault cohomology
    Kohei Umeta
    Formal and Analytic Solutions of Partial Differential Equations - Padova, Jun. 2018, Invited
  • A vanishing theorem of global cohomology groups with values in the sheaf of Whitney jets with Gevrey conditions
    Kohei Umeta
    Algebraic analysis and Asymptotic analysis in Hokkaido, May 2018, Invited
  • Laplace hyperfunctions from the viewpoint of \v{C}ech-Dolbeault cohomology (a joint work with N.Honda)
    Kohei Umeta
    Algebraic Analysis in Yamaguch - D-module, microlocal analysis, summability, Nov. 2017, Invited
  • Laplace hyperfunctions from the viewpoint of \v{C}ech-Dolbeault cohomology (a joint work with N.Honda)
    Kohei Umeta
    RIMS joint research「Microlocal analysis and asymptotic analysis」, Oct. 2017, Invited
  • A vanishing theorem of global cohomology groups with values in the sheaf of Whitney jets with Gevrey conditions
    Kohei Umeta
    Harmonic Analysis Forum, Feb. 2017, Invited
  • 多変数Laplace超関数の理論について
    梅田耕平
    微分方程式の総合的研究, Dec. 2016, Invited
  • A vanishing theorem of global cohomology groups with values in the sheaf of Whitney jets with Gevrey conditions
    Kohei Umeta
    Algebraic Analysis at Nara, Nov. 2016, Invited
  • A vanishing theorem of global cohomology groups with values in the sheaf of Whitney jets with Gevery conditions
    Kohei Umeta
    RIMS symposium「New development of microlocal analysis and singular perturbation theory」, Oct. 2016, Invited
  • GeveryクラスのWhitny jetsを係数に持つ大域コホモロジー群のコホモロジー消滅定理
    梅田耕平
    釧路高専第6回若手理工学セミナー, Aug. 2016, Not invited
  • On the theory of Laplace hyperfunctions in several variables
    Kohei Umeta
    Various problems of partial differential equations, Mar. 2016, Invited
  • On the theory of Laplace hyperfunctions in several variables
    Kohei Umeta
    Various problems in partial differential equations, Mar. 2016, Invited
  • On the theory of Laplace hyperfunctions in several variables
    Kohei Umeta
    RIMS symposium「Algebraic analytic methods in complex partial differential equations」, Dec. 2015, Not invited
  • Toward the theorey of Laplace hyperfunctions in several variables
    Kohei Umeta
    Algebraic analysis and related topics, Oct. 2015, Invited
  • 佐藤超関数の紹介と最近の展開について
    梅田耕平
    釧路高専第5回若手理工学セミナー, Aug. 2015, Not invited
  • On the theory of Laplace hyperfunctions
    Kohei Umeta
    Harmonic Analysis Seminar, Feb. 2015, Invited
  • 多変数ラプラス超関数の理論について
    梅田耕平
    釧路高専第4回若手理工学セミナー, Dec. 2014, Not invited
  • On the construction of Laplace transforms for Laplace hyperfunctions
    Kohei Umeta
    RIMS Symposium on Several Aspects of Microlocal Analysis, Oct. 2014, Invited
  • ラプラス超関数の大域切断とそのラプラス変換
    梅田耕平
    日本数学会2014年度年会, Mar. 2014, Not invited
  • On the global sections of Laplace hyperfunctions and thier properties
    Kohei Umeta
    Algebraic analysis and laclly convex spaces, Feb. 2014, Invited
  • On the sheaf of Laplace hyperfunctions in several variables
    Kohei Umeta
    Exponential analysis of differential equations and related topics, Oct. 2013, Invited
  • 指数型正則関数の層に対する楔の刃定理とラプラス超関数の層の諸性質について
    梅田耕平
    第52回実函数論・関数解析合同シンポジウム, Sep. 2013, Invited
  • 指数型増大正則関数の層に対する楔の刃定理とラプラス超関数
    梅田耕平
    日本数学会2013年度年会, Mar. 2013, Not invited
  • The sheaf of Laplace hyperfunctions in several variavles
    Kohei Umeta
    Several aspects of algebraic analysis - D modules, singularity theory and computational algebra -, Mar. 2013, Invited
  • The edge of the wedge theorem for holomorphic functions of exponential type and Laplace Hyperfunctions PART I
    Kohei Umeta
    Recent development of theory of analytic functionals and related topics, Mar. 2013, Invited
  • The edge of the wedge theorem for holomorphic functions of exponential type and Laplace Hyperfunctions PART II
    Kohei Umeta
    Recent development of theory of analytic functionals and related topics, Mar. 2013, Invited
  • On a construction of the sheaf of Laplace hyperfunctions
    Kohei Umeta
    Hirosima Differential Equations Seminar, Mar. 2013, Invited
  • 多変数ラプラス超関数について
    梅田耕平
    第9回数学総合若手研究集会, Mar. 2013, Not invited
  • Vanishing theorem for holomorphic functions of exponential tyep and Laplace hyperfunctions
    Kohei Umeta; Naofumi Honda
    Recent development of microlocal analysis and asymptotic analysis, Nov. 2011, Invited
  • A cohomology vanishing theorem and Laplace hyperfunctions with holomorphic parameters
    Kohei Umeta
    International Conference GF 2011 on Generalized Functions, Apr. 2011, Invited
  • Laplace hyperfunctions with holomorpic parameters
    Kohei Umeta
    The 12th Norheastern Symposium on Mathematical Analysis, Feb. 2011, Invited
  • 指数型増大度制限付きの正則関数に対するコホモロジー消滅定理
    梅田耕平
    日本数学会秋季総合分科会, Sep. 2010, Not invited