Kohzo Yamada - My portal

Profile Information

Degree: 博士(数学)(Jul, 1992, 筑波大学)
教育学修士(Mar, 1984, 大阪教育大学)

J-GLOBAL ID: 200901029024899191
researchmap Member ID: 1000032085

Research Interests

Research Areas

Research History

2003

- 静岡大学教育学部教授
2003

- Professor, Faculty of Education, Shizuoka University
1994 - 2002

Faculty of Education, Shizuoka University
1994 - 2002

Associate Professor, Faculty of Education, Shizuoka University
1987 - 1993

Faculty of Education, Osaka Kyoiku University
1987 - 1993

Assistant, Faculty of Education, Osaka Kyoiku University

Education

- 1987

University of Tsukuba
- 1987

Graduate School, Division of Mathematics, University of Tsukuba
- 1984

Osaka Kyoiku University
- 1984

Mathematical Education, Graduate School, Division of Education, Osaka Kyoiku University
- 1982

Faculty of Education, Osaka Kyoiku University
- 1982

Faculty of Education, Osaka Kyoiku University

Committee Memberships

Apr, 2006

Managing Editor, Symposium of General Topology
Apr, 2002

Editor, International Society for Mathematical Sciences

Awards

Aug, 1998

日本数理科学協会清水賞, M_3--spaces whose every point has a closure-preserving outer base are CP-expandable, 国際数理科学協会

山田耕三

Papers

Fréchet-Urysohn subspaces of free topological groups, II

Kohzo Yamada

Topology and its Applications, 283 107342-107342, Sep, 2020 Peer-reviewed
Fréchet–Urysohn subspaces of free topological groups III

Kohzo Yamada

Topology and its Applications, 256 104-112, Apr, 2019 Peer-reviewed
Frechet-Urysohn subspaces and k-subspaces of free topological groups

YAMADA Kohzo

2110 110-118, Apr, 2019
Fréchet–Urysohn subspaces of free topological groups

Kohzo Yamada

Topology and its Applications, 210 81-89, Sep, 2016 Peer-reviewed
Products of straight spaces with compact spaces

Kusuo Nishijima, Kohzo Yamada

Applied General Topology, 8(2) 151-159, 2007 Peer-reviewed
The natural mappings i(n) and k-subspaces of free topological groups on metrizable spaces

K Yamada

TOPOLOGY AND ITS APPLICATIONS, 146 239-251, Jan, 2005 Peer-reviewed
Frechet-Urysohn spaces in free topological groups

K Yamada

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 130(8) 2461-2469, 2002 Peer-reviewed
Free topological groups on metrizable spaces and inductive limits

V. Pestov, Kohzo Yamada

Topology and its Applications, 98 291-301, Jan, 1999 Peer-reviewed
Finite-to-one mappings and large transfinite dimension

Y Hattori, K Yamada

TOPOLOGY AND ITS APPLICATIONS, 82(1-3) 181-194, Jan, 1998 Peer-reviewed
Metrizable subspaces of free topological groups on metrizable spaces

Kohzo Yamada

Topology Proceedings, 23 379-409, Jan, 1998 Peer-reviewed
Simple examples showing that various topological properties are not finitely additive in the sense of V. V. Tkachuk(共著)

Haruto Ohta, Kohzo Yamada

Mathematica Japonica, 47(1) 93-95, Jan, 1998 Peer-reviewed
On spaces with linearly homeomorphic function in the compact open topology(共著)

Haruto Ohta, Kohzo Yamada

Tsukuba Journal of Mathematics, 22 39-48, Jan, 1998 Peer-reviewed
Tightress of free abelian topological groups and of finite products of sequential fans

Kohzo Yamada

Topology Proceedings, 22 363-381, Jan, 1997 Peer-reviewed
Free Abelian toplogical groups and k-spaces

Kohzo Yamada

Glasnik Matemati(]E88EF[)ki, 31 83-91, Jan, 1996 Peer-reviewed
Prime subspaces in free topological groups

Haruto Ohta, Katsuya Eda, Kohzo Yamada

Topology and its Applications, 62 163-171, Jan, 1995 Peer-reviewed
Subsets of $R^n$ with convex midsets

W. Debski, K. Kawamura, Kohzo Yamada

Topology and its Applications, 60 109-115, Jan, 1994 Peer-reviewed
CHARACTERIZATIONS OF A METRIZABLE SPACE X SUCH THAT EVERY AN(X) IS A K-SPACE

K YAMADA

TOPOLOGY AND ITS APPLICATIONS, 49(1) 75-94, Jan, 1993 Peer-reviewed
ON CLASSIFICATION OF SMALL WEAKLY INFINITE-DIMENSIONAL SPACES

K YAMADA

HOUSTON JOURNAL OF MATHEMATICS, 16(4) 529-538, 1990 Peer-reviewed
Closed pre-images of C-spaces

Yasunao Hattori, Kohzo Yamada

Mathematica Japonica, 34(4), Jan, 1989 Peer-reviewed
Mapping and product theorems for infinite dimensional spaces

Kohzo Yamada

Glasnik Matematicki, 23(1), Jan, 1988 Peer-reviewed

Misc.

Frechet-Urysohn, sequential and k-subspaces of free topological groups

Kohzo Yamada

RIMS Kokyuroku, 1987 1-10, Apr 1, 2016
Tightness of free (abelian) topological groups over metrizable spaces.

D. B. Shakhmatov, Kohzo Yamada

RIMS Kokyuroku, 1370 62-68, Jan 1, 2004
The canonical mapping i_n and k-subspaces of free topological groups on metrizable spaces

Kohzo Yamada

RIMS Kokyuroku, 1248 80-87, Jan 1, 2002
Is the free topological group on c.c.c. space c.c.c.?

Kohzo Yamada

RIMS Kokyuroku, 1126 1-13, Jan 1, 2000
自由位相アーベル群のタイトネスの計算

Kohzo Yamada

京都大学数理解析研究所講究録, 901 51-57, Jan 1, 1995
Tightness of free abelian topological groups

Kohzo Yamada

RIMS Kokyuroku, 901 51-57, Jan 1, 1995
Free topological groupsの最近の結果について(一般・幾何学的位相と関連する諸問題)

山田耕三

数理解析研究所講究録, 823 1-9, Mar, 1993
自由位相群の最近の結果について

京都大学数理解析研究所講究録, 823 1-9, Jan 1, 1993
On recent results for free topological groups

RIMS Kokyuroku, 823 1-9, Jan 1, 1993
On neighborhood base of the unit element of a free topological group

Kohzo Yamada

RIMS Kokyuroku, 784 1-27, Jan 1, 1992
自由位相群の単位元の近傍系について

Kohzo Yamada

京都数理解析研究所講究録, 784 1-27, Jan 1, 1992
弱無限次元空間の積について

Kohzo Yamada

京都数理解析研究所講究録, 711 51-57, Jan 1, 1989
On product of weakly infinite-dimensional spaces

Kohzo Yamada

RIMS Kokyuroku, 711 51-57, Jan 1, 1989

Books and Other Publications

Encyclopedia of General Topology

Kohzo Yamada ほ (Role: Joint author, h-3: Free Topological Groups)

Elsevier, Jan, 2004

Presentations

自由位相群のフレッシェ-ウリゾン部分空間と k-空間

山田耕三

京都大学数理解析研究所研究集会「一般位相幾何学の進展と諸問題」, Jun, 2018
Some topological properties of the free topological groups on metrizable spaces

山田耕三

Seventh Topology Forum at Zhangzhou, Aug, 2017 Invited
自由位相群の，フレッシェ-ウリゾン，点列，k-部分空間について

山田耕三

京都大学数理解析研究所での研究集会「集合論的位相幾何学及び幾何学的トポロジーの最近の動向と展望」, Nov, 2015 Invited
Frechet-Urysohn property in free topological groups

山田耕三

General Topology Symposium, Dec, 2014 Invited
M_3 ー> M_1 問題と自由可換位相群

山田耕三

第44回位相空間論シンポジウム, May, 2009
Product of straight spaces with compact spaces

山田耕三

会議名(3rd Japan-Mexico Joint Meeting on Topology and its Applications), Dec, 2004 Invited
Product of straight spaces with compact spaces

3rd Japan-Mexico Joint Meeting on Topology and its Applications, Dec, 2004
Straight 空間と収束点列との積空間について

日本数学会年会トポロジー分科会, Mar, 2004
Tightness of free topological groups

一般及び幾何学的トポロジーと関連する諸問題, Nov, 2003
Tightness of free (abelian) topological groups over metrizable spaces

山田耕三

会議名(研究集会「一般及び幾何学的トポロジーと関連する諸問題」), Nov, 2003 Invited
Tightness of free topologcial groups

Summer Conference on Topology and its Ap, Jul, 2003
The natural mappings i_n and k-subspaces of free topological groups on metrizable spaces

山田耕三

会議名(International Conference of Topology), Jun, 2002 Invited
The natural mappings i_n and k-subspaces

International Conference on Topology, Jun, 2002
k-sbspaces of free topological groups

一般・幾何学的トポロジーとその応用の研究, Oct, 2001
自由位相群のトポロジー

日本数学会, Mar, 2001

Teaching Experience

Professional Memberships

Research Projects

Set-thoretic approach to the extension problem of continuous functions in topology

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2010 - Mar, 2014

OHTA Haruto, YAMADA Kohzo, TAMANO Ken-ichi, YAMAZAKI Kaori, YORIOKA Teruyuki
A Study on Teaching Geometry with an Emphasis on Learning Process to discover the property and then prove it

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2010 - 2012

KUNIMUNE Susumu, KUMAKURA Hiroyuki, NAKAMURA Takashi, OTA Haruto, YAMADA Kozo, KEITH Johns, FUJITA Taro, MATSUMOTO Shinichiro, KONDO Yutaka, HAYAKAWA Ken, HATTA Hiroe, HARA Kinji, OHOHTA Ikumi, KONDO Masao, SAKAMOTO Kenji, SASASE Daisuke, MOCHIZUKI Miki
Set-theoretic approach to the extension problem of continuous functions on topological spaces

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2007 - 2009

OHTA Haruto, YAMADA Kohzo, TAMANO Kenichi, YAMAZAKI Kaori
A Study on Teaching of Geometry with an Emphasis on Fostering Mathematical Reasoning Ability

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2007 - 2009

KUNIMUNE Susumu, KUMAKURA Hiroyuki, NAKAMURA Takashi, OTA Haruto, YAMADA Kozo, MATSUMOTO Shinichiro, JOHNS Keith, FUJITA Taro, KONDO Yutaka, HATTA Hiroe, HAYAKAWA Ken, HARA Kinji
距離空間及び位相群における局所連結性と関数の一様性との関連に関する研究

基盤研究(C), 基盤研究(C), Apr, 2008
距離空間及び位相群における局所連結性と関数の一様性との関連に関する研究

基盤研究(C), 基盤研究(C), Apr, 2007
距離空間及び位相群における局所連結性と関数の一様性との関連に関する研究

特別推進研究, 基盤研究(C), Apr, 2007
A Study on Improving Teaching of Geometry with an Emphasis on Cooperation across Primary and Secondary Schools

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2004 - 2006

KUNIMUNE Susumu, OHTA Haruto, YAMADA Kozo, NAKAMURA Takashi, MOROZUMI Tatsuo, KUMAKURA Hiroyuki
Algebraic structure of compact-like topological groups and convergence properties

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2003 - 2005

SHAKHMATOV D.B, NOGURA Tsugunori, KISO Kazuhiro, SASAKI Hiroski, FUJITA Hiroshi, YAMADA Kohzo
位相群における次元及び幾何学的構造の研究

基盤研究(C), 基盤研究(C), Apr, 2003
位相群における次元及び幾何学的構造の研究

基盤研究(C), 基盤研究(C), Apr, 2002
位相群の位相的及び幾何学的構造の研究

基盤研究(C), 基盤研究(C), Apr, 2001
Research of applications of set theory to the,extension problem of continuous functions

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2000 - 2001

OHTA Haruto, ONO Jin, KIYOSAWA Takemitsu, YAMADA Kohzo, YAMAZAKI Kaori, TAMANO Ken-ichi
位相群の位相的及び幾何学的構造の研究

基盤研究(C), 基盤研究(C), Apr, 2000
On the research of topological dimension of metric spaces

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 1997 - 1998

HATTORI Yasunao, YAMADA Kohzo, SHAKHMATOV Domitri, NOGURA Tsugunori, MAEDA Sadahiro, MIWA Takuo
無限アーベル群論へのトポロジーの応用の研究

科学研究費助成事業, 基盤研究(C), 日本学術振興会, 1996 - 1996

大田春外, 宮田由雅, 堀江雅幸, 金井省二, 清澤毅光, 山田耕三
トポロジーを応用した双対群の研究

科学研究費助成事業, 一般研究(C), 日本学術振興会, 1995 - 1995

大田春外, 宮田由雅, 金井省三, 清澤毅光, 山田耕三
トポロジーを応用した無限アーベル群論の研究

科学研究費助成事業, 一般研究(C), 日本学術振興会, 1994 - 1994

大田春外, 山田耕三, 安田潤, 宮田由雅, 金井省二, 清澤毅光
位相群の次元と自由位相群の位相的構造の研究

奨励研究(A), 奨励研究(A), Apr, 1993
距離空間,及びそれに関連する諸分野について

科学研究費助成事業, 一般研究(C), 日本学術振興会, 1992 - 1992

安井義和, 山田耕三, 田中秀典, 菅原邦雄, 小山晃