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J-GLOBAL ID：201101045168978626 Update date: Dec. 17, 2024

Fujita Hiroshi

フジタヒロシ | Fujita Hiroshi

Affiliation and department：
Job title：特任講師
Homepage URL (1)： http://www.math.sci.ehime-u.ac.jp/%7Efujita/index.jp.html

Research field (2)： Applied mathematics and statistics , Basic mathematics

Research keywords (5)： Descriptive Set Theory , Axiomatic Set Theory , 公理的集合論 , 記述集合論 , 集合論

Research theme for competitive and other funds (8)：

2020 - 2024 Mathematics and Philosophy of Set Theory of the Continuum
2007 - 2009 Construction of higher dimensional Erdos-type spaces with selectors and study of topological structure of hyperspaces
2007 - 2009 Study of the structure of the Markov-Zariski topology of a group and convergence properties of compact-like topological groups
2003 - 2005 Research on "Classification of filters and subsets of reals with respect to selector, and convergence properties of hyperspacea"
2003 - 2005 Algebraic structure of compact-like topological groups and convergence properties

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Papers (8)：

Toshimichi Usuba, Hiroshi Fujita. Roles of Large Cardinals in Set Theory. Journal of the Japan Association for Philosophy of Science. 2011. 39. 2. 83-92
Hiroshi Fujita, Tamas Matrai. On the difference property of Borel measurable functions. FUNDAMENTA MATHEMATICAE. 2010. 208. 1. 57-73
H. Fujita. Remarks on two problems by M. Laczkovich on functions with borel measurable differences. ACTA MATHEMATICA HUNGARICA. 2007. 117. 1-2. 153-160
H Fujita, D Shakhmatov. A characterization of compactly generated metric groups. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY. 2003. 131. 3. 953-961
Hiroshi Fujita, Dmitri Shakhmatov. Topological groups with dense compactly generated subgroups. Applied General Topology. 2002. 3. 1. 85-89

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MISC (9)：

藤田博司. 可測でない集合にはどのようなものがあるか. 数学セミナー. 2024. 63. 11. 27-29
藤田博司, 川井新, 静間荘司. [鼎談] 数学を学ぶこと,伝えること. 数学セミナー. 2024. 63. 4. 6-13
藤田博司. 実数体と実数. 数学セミナー. 2023. 62. 6. 6-11
藤田博司. 距離空間と距離化定理. 数理科学. 2022. 60. 6. 19-30
藤田博司. 無限と連続の数学. 現代思想. 2019. 47. 15. 39-50

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Books (5)：

位相空間のはなし : やわらかいイデアの世界
日本評論社 2022 ISBN:9784535789333
「集合と位相」をなぜ学ぶのか--数学の基礎として根づくまでの歴史
技術評論社 2018 ISBN:9784774196121
キューネン数学基礎論講義
日本評論社 2016 ISBN:9784535787483
魅了する無限--アキレスは本当にカメに追いついたのか
技術評論社 2009 ISBN:9784774137612
集合論--独立性証明への案内
日本評論社 2008 ISBN:9784535783829

Lectures and oral presentations (20)：

実数体と実数
(日本科学哲学会第56回大会 2023)
Effective Descriptive Set Theory
(Logic Winter School 2023 2023)
On minimal covers of hyperdegrees
(Waseda seminar on set theory 2022)
Transfinite Ordinals and the Continuum Problem
(2021)
集合論の成立と連続体の哲理
(科学基礎論学会 2019年度研究例会 2019)

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Professional career (1)：

博士(学術) (名古屋大学)

Work history (3)：

2010/04 - 現在 Ehime University Graduate School of Science and Engineering
2005/04 - 2010/03 Ehime University Graduate School of Science and Engineering
1991 - 2004 Ehime University Faculty of Science

Association Membership(s) (2)：

Japan Association for Philosophy of Science , Association for Symbolic Logic

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