Yoshitomo Baba

(馬場良始)

Profile Information

Affiliation: Professor, Division of Math, Sciences, and Information Technology in Education, Osaka Kyoiku University

Degree: 修士（理学）(大阪市立大学)
Doctor (Science)(Osaka City University)
博士(理学)(大阪市立大学)

Researcher number: 10201724
J-GLOBAL ID: 200901016856578412
researchmap Member ID: 1000038538

Research Interests

Research Areas

Natural sciences / Algebra /

Research History

Aug, 2008

大阪教育大学教授
Apr, 2007

大阪教育大学准教授
Jan, 2002

Osaka Kyoiku University, Associate Prof.
Oct, 1994 - Dec, 2001

Osaka Kyoiku University, Lecturer
Apr, 1988 - Sep, 1994

Faculty of Science, Yamaguchi University, Faculty of Science, Research Associate

Education

Apr, 1984 - Mar, 1986

Mathematics, Graduate School, Division of Natural Science, Osaka City University
- 1984

Mathematics, Faculty of Science, Osaka City University

Papers

On weak co-$H$-sequences in two-sided Harada rings

Yoshitomo BABA

Hokkaido Mathematical Journal, 51(3), Oct 1, 2022 Peer-reviewed
On two-sided Harada rings constructed from QF rings

Yoshitomo BABA

Ring Theory 2019, 151-167, 2021 Peer-reviewed
On H-epimorphisms and co-H-sequences in two-sided Harada rings

Yoshitomo BABA

Math.J.Okayama Univ., 63 183-199, 2021 Peer-reviewed
角の三等分問題 -数学専門科目での実践-

桑田勝矢, 新濱光紀, 馬場良始

数学教育研究, 46 61-86, 2017 Peer-reviewed
暗号 : 小学校専門科目「数学」での実践

馬場良始

数学教育研究 = Osaka Journal of Mathematics Education, (44) 89-113, 2015 Peer-reviewed
音律の探求（16世紀以降）-小学校専門科目「数学」での実践-

馬場良始

数学教育研究, 42(42) 61-85, 2013 Peer-reviewed
ピタゴラス音律から新しい音律へ-小学校専門科目「数学」での実践-

馬場良始

数学教育研究, 42(42) 37-59, 2013 Peer-reviewed
ピタゴラス音律-小学校専門科目「数学」での実践-

馬場良始

数学教育研究, 41(41) 71-94, 2012 Peer-reviewed
On almost N-simple-projectives

Baba Yoshitomo, Yamazaki Takeshi

Mathematical Journal of Okayama University, 53(1) 101-109, 2011 Peer-reviewed
ON COLOCAL PAIRS

Yoshitomo Baba

RING THEORY 2007, PROCEEDINGS, 173-182, 2009 Peer-reviewed
Self-duality of Harada ring of a component type

Yoshitomo Baba

JOURNAL OF ALGEBRA AND ITS APPLICATIONS, 7(3) 275-298, Jun, 2008 Peer-reviewed
数学パズルを使った総合演習の試み

住岡武, 馬場良始

数学教育研究, 37(37) 149-165, 2007 Peer-reviewed
On quasi-porjective modules and quasi-injective modules

Yoshitomo Baba

Scientiae Mathematicae Japonicae, 63(1) 113--130, 2006 Peer-reviewed
On Harada rings of a component type

Yoshitomo Baba

Advances in Ring Theory, 1-11, 2005 Peer-reviewed
行列を使った森田自己双対性の証明について

岩瀬謙一, 馬場良始

数学教育研究, (33) 139-148, 2003 Peer-reviewed
On self-duality of Auslander rings of local serial rings

Yoshitomo Baba

Communications in Algebra, 30(6) 2583-2592, Jun, 2002 Peer-reviewed
On strongly almost hereditary rings

Baba Yoshitomo, Miki Hiroyuki

Tsukuba journal of mathematics, 26(2) 237-250, 2002 Peer-reviewed
Some classes of QF-3 rings

Yoshitomo Baba

Communications in Algebra, 28(6) 2639-2669, 2000 Peer-reviewed
Symmetry of Almost Hereditary Rings

Baba Yoshitomo, Miki Hiroyuki

Mathematical Journal of Okayama University, 42(1) 29-54, 2000 Peer-reviewed
On Harada rings and quasi-Harada rings with left global dimension at most 2

Y Baba

COMMUNICATIONS IN ALGEBRA, 28(6) 2671-2684, 2000 Peer-reviewed
On quasi-Harada rings

Y Baba, K Iwase

JOURNAL OF ALGEBRA, 185(2) 544-570, Oct, 1996 Peer-reviewed
INJECTIVITY OF QUASI-PROJECTIVE MODULES, PROJECTIVITY OF QUASI-INJECTIVE MODULES, AND PROJECTIVE COVER OF INJECTIVE-MODULES

Y BABA

JOURNAL OF ALGEBRA, 155(2) 415-434, Mar, 1993 Peer-reviewed
ON A THEOREM OF FULLER

Y BABA, K OSHIRO

JOURNAL OF ALGEBRA, 154(1) 86-94, Jan, 1993 Peer-reviewed
On almost M-projectives and almost M-injectives

Yoshitomo Baba, Manabu Harada

Tsukuba Journal of Mathematics, 14(1) 53-69, 1990 Peer-reviewed
Note on almost M-injectives

Yoshitomo Baba

Osaka Journal of Mathematics, 26(3) 687-698, 1989 Peer-reviewed
GENERALIZATIONS OF NAKAYAMA RING .4. LEFT SERIAL RINGS WITH (STAR, I)

Y BABA, M HARADA

OSAKA JOURNAL OF MATHEMATICS, 24(1) 139-145, Mar, 1987 Peer-reviewed

Misc.

新しいアルティン環の流れ

馬場良始

数学, 67(3) 271-290, Jul 24, 2015 Peer-reviewedInvited

Books and Other Publications

Classical artinian rings and related topics

Yoshitomo Baba, Kiyoichi Oshiro (Role: Joint author)

World Scientific, 2009
On colocal pairs

World ScientificRing Theory 2007, 2008
On Harada rings of a component type

World ScientificAdvances in Ring Theory, 2005

Presentations

On Harada rings and quasi-Harada rings

Yoshitomo Baba

代数学シンポジウム報告集, 2003
Symmetry of almost hereditary rings

Yoshitomo Baba, Hiroyuki Miki

Proceedings of the 33rd Symposium on Ring Theory and Representation Theory, 2001
Specialization of structure theorems for QF-3 rings

Yoshitomo Baba

Proceedings of the Second Japan-China International Symposium on Ring Theory the 28th Symposium on Ring Theory, 1996
The injectivity of quasi-projective modules, the projectivity of quasi-injective modules and the projective covers of injective modules

Yoshitomo Baba

Proceedings of the Five China-Japan International Symposium on Ring Theory, 1992
The injectivity of quasi-projective modules and the projectivty of quasi-injective modules

Yoshitomo Baba

proceedings of the 25th Symposium on Ring Theory, 1992

Professional Memberships

日本数学会

Research Projects

Research on direct sum decompositions of lifting modules and its application

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Kuratomi Yosuke, Tutuncu Derya Keskin
Representations of group rings and Auslander-Reiten quivers

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2018

KAWATA Shigeto, KANEDA Masaharu, FURUSAWA Masaaki, BABA Yoshitomo
Study on quasi-Frobenius rings based on the Faith conjecture

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2018

Oshiro Kiyoichi, BABA Yositomo, YAMAURA Kota
Auslander-Reiten quivers of group rings

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2011 - 2013

KAWATA Shigeto, KANEDA Masaharu, BABA Yoshitomo
Faith conjecture and related studies

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2011 - 2013

OSHIRO kiyoichi, BABA Yositomo, KOIKE Kazutoshi, KIKUMASA Isao

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