Personnel Information

写真a

KONDO ATSUMASA


Title

Professor

Field

Field of Economics

Date of Birth

1973

Mail Address

E-mail address

Homepage URL

http://a-kondo-seminer.jimdo.com/

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Research Interests 【 display / non-display 】

  • economic

  • fixed point

  • nonlinear analysis

  • optimization

  • sustainability of public debt

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Graduating School 【 display / non-display 】

  • Keio University， Faculty of Economics

    University， 1998.03， Graduated， Japan

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Graduate School 【 display / non-display 】

  • Keio University， Graduate School, Division of Economics

    Doctor's Course， 2004.03， Accomplished credits for doctoral program， Japan

  • Keio University， Graduate School, Division of Economics

    Master's Course， 2000.03， Other， Japan

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Campus Career 【 display / non-display 】

  • Shiga University Faculty of Economics，Professor， 2017.08 - Now

  • Shiga University Faculty of Economics，Associate Professor， 2008.09 - 2017.07

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Research Areas 【 display / non-display 】

  • Humanities & Social Sciences / Economic theory

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Papers 【 display / non-display 】

  • Halpern-type strong convergence theorems using a multi-step mean-valued iterative method in Hilbert spaces， Journal of Nonlinear and Convex Analysis， vol.25 (11) (p.2703 - 2715) ， 2025.11, Atsumasa Kondo

    Research paper (scientific journal)， Single Author

  • Iterative Scheme Generating Method for demiclosed and 2-demiclosed mappings， Letters in Nonlinear Analysis and its Applications， vol.3 (2) (p.105 - 118) ， 2025.06, Atsumasa Kondo

    Research paper (scientific journal)， Single Author

  • Iterative scheme generating method beyond Ishikawa iterative method， Mathematische Annalen， vol.391 (2) (p.2007 - 2028) ， 2025.02, Atsumasa Kondo

    DOI:10.1007/s00208-024-02977-8, Research paper (scientific journal)， Single Author

  • On the iterative scheme generating methods using mean-valued sequences ， Carpathian Journal of Mathematics， vol.40 (3) (p.819 - 840) ， 2024.04, Atsumasa Kondo

    Research paper (scientific journal)， Single Author

  • A generalization of the common fixed point theorem for normally 2-generalized hybrid mappings in Hilbert spaces， Filomat， vol.37 (26) (p.9051 - 9062) ， 2023.08, Atsumasa Kondo

    Research paper (scientific journal)， Single Author

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Review Papers 【 display / non-display 】

  • Fixed point approximation using mean-valued sequences ， Proceedings of the Symposium on Real Analysis 2023， vol.3 (2) (p.92 - 97) ， 2025, Atsumasa Kondo

    , Single Author

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Presentations 【 display / non-display 】

  • the sixth International Workshop on Nonlinear Analysis and its Applications, ， 2024.11，2024.11.14， On the iterative scheme generating method， Oral presentation (general)

  • Domestic presentation， 2023.10，2023.10.29， Strong convergence theorems by Martinez-Yanes--Xu projection method for mean-demiclosed mappings in Hilbert spaces， Oral presentation (general)

  • The 14th international conference on Fixed Point Theory and its Applications, International presentation， 2023.07，2023.07.12， Generalized common fixed point theorems for nonlinear mappings in Hilbert spaces ， Oral presentation (general)

  • Nonlinear Analysis and Optimization (NAO-Asia 2018), International presentation， 2018.11， Weak and Strong Convergence Theorems for Commutative Normally 2-Generalized Hybrid Mappings in Hilbert Spaces， Oral presentation (general)， Natural Science / Mathematical analysis， Natural Science / Basic analysis

  • Studies on Nonlinear Analysis and Convex Analysis, International presentation， 2018.08， Strong Convergence Theorems of Halpern's type for Normally 2-Generalized Hybrid Mappings in Hilbert Spaces， Oral presentation (general)， Natural Science / Mathematical analysis， Natural Science / Basic analysis

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Research Grants & Projects 【 display / non-display 】

  • ，Contributed fundContributed fund，2023

  • ，Contributed fundContributed fund，2023

  • ，Contributed fundContributed fund，2021

  • ，Contributed fundContributed fund，2019

  • ，Contributed fundContributed fund，2017

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Preferred joint research theme 【 display / non-display 】

  • 【キーワード】動学的一般均衡／財政政策の維持可能性／マクロ経済学／不動点定理、近似／非線形写像

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Charge of on-campus class subject 【 display / non-display 】

  • 専門演習Ⅳ，2025.10 - 2026.03

  • マクロ財政学特講Ⅰ，2025.10 - 2026.03

  • コアセッション（ミクロ経済学Ａ），2025.10 - 2026.03

  • ミクロ経済学Ａ，2025.10 - 2026.03

  • 演習Ⅳ，2025.10 - 2026.03

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Academic Activities 【 display / non-display 】

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