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Koshitani, Shigeo

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Author ID: koshitani.shigeo Recent zbMATH articles by "Koshitani, Shigeo"
Published as: Koshitani, S.; Koshitani, Shigeo
Homepage: http://www.math.s.chiba-u.ac.jp/~koshitan/index-e.html
External Links: MGP · Wikidata · ORCID · ResearchGate
Documents Indexed: 83 Publications since 1976, including 3 Books

Publications by Year

Citations contained in zbMATH Open

56 Publications have been cited 327 times in 168 Documents Cited by Year
Broué’s conjecture holds for principal 3-blocks with elementary Abelian defect group of order 9. Zbl 1015.20006
Koshitani, Shigeo; Kunugi, Naoko
25
2002
The inductive Alperin-McKay and blockwise Alperin weight conditions for blocks with cyclic defect groups and odd primes. Zbl 1370.20009
Koshitani, Shigeo; Späth, Britta
22
2016
Conjectures of Alperin and Broué for 2-blocks with elementary Abelian defect groups of order 8. Zbl 1269.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
19
2012
Morita equivalent blocks in non-normal subgroups and \(p\)-radical blocks in finite groups. Zbl 0922.20016
Hida, Akihiko; Koshitani, Shigeo
17
1999
A splitting theorem for blocks. Zbl 0868.20007
Koshitani, Shigeo; Külshammer, Burkhard
13
1996
The principal \(3\)-blocks of four- and five-dimensional projective special linear groups in non-defining characteristic. Zbl 0959.20011
Koshitani, Shigeo; Miyachi, Hyoue
12
2000
Broué’s Abelian defect group conjecture for the Held group and the sporadic Suzuki group. Zbl 1065.20021
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
11
2004
Donovan conjecture and Loewy length for principal \(3\)-blocks of finite groups with elementary Abelian Sylow \(3\)-subgroup of order \(9\). Zbl 0993.20008
Koshitani, Shigeo; Miyachi, Hyoue
11
2001
A remark on blocks with dihedral defect groups in solvable groups. Zbl 0465.20007
Koshitani, Shigeo
11
1982
On Loewy lengths of blocks. Zbl 1329.20009
Koshitani, Shigeo; Külshammer, Burkhard; Sambale, Benjamin
10
2014
On the Loewy series of the group algebra of a finite p-solvable group with p-length \(>1\). Zbl 0578.20005
Koshitani, Shigeo
10
1985
The indecomposability of a certain bimodule given by the Brauer construction. Zbl 1069.20008
Koshitani, Shigeo; Linckelmann, Markus
9
2005
Broué’s conjecture for non-principal 3-blocks of finite groups. Zbl 1013.20009
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
9
2002
Glauberman correspondence of \(p\)-blocks of finite groups. Zbl 1002.20009
Koshitani, Shigeo; Michler, Gerhard O.
9
2001
Clifford theory of characters in induced blocks. Zbl 1333.20005
Koshitani, Shigeo; Späth, Britta
8
2015
Broué’s Abelian defect group conjecture holds for the sporadic simple Conway group \(Co_3\). Zbl 1241.20019
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
8
2011
Blocks with nonabelian defect groups which have cyclic subgroups of index \(p\). Zbl 1195.20010
Holloway, Miles; Koshitani, Shigeo; Kunugi, Naoko
7
2010
The principal 3-blocks of the 3-dimensional projective special unitary groups in non-defining characteristic. Zbl 1003.20011
Koshitani, Shigeo; Kunugi, Naoko
7
2001
Trivial source modules in blocks with cyclic defect groups. Zbl 1211.20014
Koshitani, Shigeo; Kunugi, Naoko
6
2010
Broué’s Abelian defect group conjecture holds for the Janko simple group \(J_4\). Zbl 1148.20008
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
6
2008
Blocks of central \(p\)-group extensions. Zbl 1059.20015
Koshitani, Shigeo; Kunugi, Naoko
6
2005
On the Jacobson radical of a block ideal in a finite p-solvable group for \(p\geq 5\). Zbl 0507.16011
Koshitani, Shigeo
6
1983
On the nilpotency indices of the radicals of group algebras of \(p\)-groups which have cyclic subgroups of index \(p\). Zbl 0391.16007
Koshitani, Shigeo
6
1977
Endo-trivial modules for finite groups with dihedral Sylow 2-subgroup. Zbl 1370.20008
Koshitani, Shigeo; Lassueur, Caroline
5
2016
Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with Abelian Sylow 3-subgroups. Zbl 1213.20009
Koshitani, Shigeo; Yoshii, Yutaka
5
2010
The inductive Alperin-McKay condition for 2-blocks with cyclic defect groups. Zbl 1343.20014
Koshitani, Shigeo; Späth, Britta
4
2016
Broué’s Abelian defect group conjecture holds for the Harada-Norton sporadic simple group \(HN\). Zbl 1203.20011
Koshitani, Shigeo; Müller, Jürgen
4
2010
An extension of Watanabe’s theorem for the Isaacs-Horimoto-Watanabe corresponding blocks. Zbl 1091.20006
Harris, Morton E.; Koshitani, Shigeo
4
2006
On group algebras of finite groups. Zbl 0634.20003
Koshitani, Shigeo
4
1986
A remark on the Jacobson radical of a block ideal in a finite p-solvable group. Zbl 0596.16009
Koshitani, Shigeo
4
1985
Group algebras of finite p-solvable groups with radicals of the fourth power zero. Zbl 0499.16009
Koshitani, Shigeo
4
1982
On the Brauer indecomposability of Scott modules. Zbl 1330.20013
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
3
2015
Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups. Zbl 1332.20008
Koshitani, Shigeo; Lassueur, Caroline
3
2015
Broué’s Abelian defect group conjecture holds for the double cover of the Higman-Sims sporadic simple group. Zbl 1277.20015
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
3
2013
Conjectures of Donovan and Puig for principal 3-blocks with Abelian defect groups. Zbl 1023.20004
Koshitani, Shigeo
3
2003
The Green correspondents of the Mathieu group \(M_{12}\) in characteristic \(3\). Zbl 0924.20002
Koshitani, Shigeo; Waki, Katsushi
3
1999
Cartan invariants of group algebras of finite groups. Zbl 0859.20004
Koshitani, Shigeo
3
1996
On symmetric quotients of symmetric algebras. Zbl 1332.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
2
2015
The projective cover of the trivial module over a group algebra of a finite group. Zbl 1304.20015
Koshitani, Shigeo
2
2014
On Loewy structure of the projective modules of the Mathieu group \(M_{12}\) and its automorphism group in characteristic \(3\). Zbl 0924.20001
Koshitani, Shigeo; Waki, Katsushi
2
1999
A remark on p-radical groups. Zbl 0713.20004
Koshitani, Shigeo
2
1990
The Loewy structure of the projective indecomposable modules for SL(3,3) and its automorphism group in characteristic 3. Zbl 0634.20018
Koshitani, Shigeo
2
1987
On lower bounds for the radical of a block ideal in a finite p-solvable group. Zbl 0519.20007
Koshitani, Shigeo
2
1984
The principal 2-blocks of finite groups with Abelian Sylow 2-subgroups. Zbl 0473.20007
Koshitani, Shigeo
2
1980
On the nilpotency indices of the radicals of group algebras of p-solvable groups. Zbl 0388.16009
Koshitani, Shigeo
2
1977
Splendid Morita equivalences for principal blocks with generalised quaternion defect groups. Zbl 07203068
Koshitani, Shigeo; Lassueur, Caroline
1
2020
Splendid Morita equivalences for principal 2-blocks with dihedral defect groups. Zbl 07152523
Koshitani, Shigeo; Lassueur, Caroline
1
2020
Broué’s abelian defect group conjecture and 3-decomposition numbers of the sporadic simple Conway group \(Co_1\). Zbl 1303.20007
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
1
2015
Broué’s Abelian defect group conjecture for the sporadic simple Janko group \(J_4\) revisited. Zbl 1298.20017
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
1
2014
Local subgroups and group algebras of finite \(p\)-solvable groups. Zbl 0926.20012
Hanaki, Akihide; Koshitani, Shigeo
1
1998
On the kernels of representations of finite groups. II. Zbl 0722.20004
Koshitani, Shigeo
1
1990
On group algebras of finite groups. Zbl 0648.20010
Koshitani, Shigeo
1
1984
A remark on the nilpotency index of the radical of a group algebra of a p-solvable group. Zbl 0458.16006
Koshitani, Shigeo
1
1982
On the kernels of representations of finite groups. Zbl 0469.20006
Koshitani, Shigeo
1
1981
Remarks on the commutativity of the radicals of group algebras. Zbl 0402.20004
Koshitani, Shigeo
1
1979
A note on the radical of the centre of a group algebra. Zbl 0389.20003
Koshitani, Shigeo
1
1978
Splendid Morita equivalences for principal blocks with generalised quaternion defect groups. Zbl 07203068
Koshitani, Shigeo; Lassueur, Caroline
1
2020
Splendid Morita equivalences for principal 2-blocks with dihedral defect groups. Zbl 07152523
Koshitani, Shigeo; Lassueur, Caroline
1
2020
The inductive Alperin-McKay and blockwise Alperin weight conditions for blocks with cyclic defect groups and odd primes. Zbl 1370.20009
Koshitani, Shigeo; Späth, Britta
22
2016
Endo-trivial modules for finite groups with dihedral Sylow 2-subgroup. Zbl 1370.20008
Koshitani, Shigeo; Lassueur, Caroline
5
2016
The inductive Alperin-McKay condition for 2-blocks with cyclic defect groups. Zbl 1343.20014
Koshitani, Shigeo; Späth, Britta
4
2016
Clifford theory of characters in induced blocks. Zbl 1333.20005
Koshitani, Shigeo; Späth, Britta
8
2015
On the Brauer indecomposability of Scott modules. Zbl 1330.20013
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
3
2015
Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups. Zbl 1332.20008
Koshitani, Shigeo; Lassueur, Caroline
3
2015
On symmetric quotients of symmetric algebras. Zbl 1332.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
2
2015
Broué’s abelian defect group conjecture and 3-decomposition numbers of the sporadic simple Conway group \(Co_1\). Zbl 1303.20007
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
1
2015
On Loewy lengths of blocks. Zbl 1329.20009
Koshitani, Shigeo; Külshammer, Burkhard; Sambale, Benjamin
10
2014
The projective cover of the trivial module over a group algebra of a finite group. Zbl 1304.20015
Koshitani, Shigeo
2
2014
Broué’s Abelian defect group conjecture for the sporadic simple Janko group \(J_4\) revisited. Zbl 1298.20017
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
1
2014
Broué’s Abelian defect group conjecture holds for the double cover of the Higman-Sims sporadic simple group. Zbl 1277.20015
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
3
2013
Conjectures of Alperin and Broué for 2-blocks with elementary Abelian defect groups of order 8. Zbl 1269.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus
19
2012
Broué’s Abelian defect group conjecture holds for the sporadic simple Conway group \(Co_3\). Zbl 1241.20019
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix
8
2011
Blocks with nonabelian defect groups which have cyclic subgroups of index \(p\). Zbl 1195.20010
Holloway, Miles; Koshitani, Shigeo; Kunugi, Naoko
7
2010
Trivial source modules in blocks with cyclic defect groups. Zbl 1211.20014
Koshitani, Shigeo; Kunugi, Naoko
6
2010
Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with Abelian Sylow 3-subgroups. Zbl 1213.20009
Koshitani, Shigeo; Yoshii, Yutaka
5
2010
Broué’s Abelian defect group conjecture holds for the Harada-Norton sporadic simple group \(HN\). Zbl 1203.20011
Koshitani, Shigeo; Müller, Jürgen
4
2010
Broué’s Abelian defect group conjecture holds for the Janko simple group \(J_4\). Zbl 1148.20008
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
6
2008
An extension of Watanabe’s theorem for the Isaacs-Horimoto-Watanabe corresponding blocks. Zbl 1091.20006
Harris, Morton E.; Koshitani, Shigeo
4
2006
The indecomposability of a certain bimodule given by the Brauer construction. Zbl 1069.20008
Koshitani, Shigeo; Linckelmann, Markus
9
2005
Blocks of central \(p\)-group extensions. Zbl 1059.20015
Koshitani, Shigeo; Kunugi, Naoko
6
2005
Broué’s Abelian defect group conjecture for the Held group and the sporadic Suzuki group. Zbl 1065.20021
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
11
2004
Conjectures of Donovan and Puig for principal 3-blocks with Abelian defect groups. Zbl 1023.20004
Koshitani, Shigeo
3
2003
Broué’s conjecture holds for principal 3-blocks with elementary Abelian defect group of order 9. Zbl 1015.20006
Koshitani, Shigeo; Kunugi, Naoko
25
2002
Broué’s conjecture for non-principal 3-blocks of finite groups. Zbl 1013.20009
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi
9
2002
Donovan conjecture and Loewy length for principal \(3\)-blocks of finite groups with elementary Abelian Sylow \(3\)-subgroup of order \(9\). Zbl 0993.20008
Koshitani, Shigeo; Miyachi, Hyoue
11
2001
Glauberman correspondence of \(p\)-blocks of finite groups. Zbl 1002.20009
Koshitani, Shigeo; Michler, Gerhard O.
9
2001
The principal 3-blocks of the 3-dimensional projective special unitary groups in non-defining characteristic. Zbl 1003.20011
Koshitani, Shigeo; Kunugi, Naoko
7
2001
The principal \(3\)-blocks of four- and five-dimensional projective special linear groups in non-defining characteristic. Zbl 0959.20011
Koshitani, Shigeo; Miyachi, Hyoue
12
2000
Morita equivalent blocks in non-normal subgroups and \(p\)-radical blocks in finite groups. Zbl 0922.20016
Hida, Akihiko; Koshitani, Shigeo
17
1999
The Green correspondents of the Mathieu group \(M_{12}\) in characteristic \(3\). Zbl 0924.20002
Koshitani, Shigeo; Waki, Katsushi
3
1999
On Loewy structure of the projective modules of the Mathieu group \(M_{12}\) and its automorphism group in characteristic \(3\). Zbl 0924.20001
Koshitani, Shigeo; Waki, Katsushi
2
1999
Local subgroups and group algebras of finite \(p\)-solvable groups. Zbl 0926.20012
Hanaki, Akihide; Koshitani, Shigeo
1
1998
A splitting theorem for blocks. Zbl 0868.20007
Koshitani, Shigeo; Külshammer, Burkhard
13
1996
Cartan invariants of group algebras of finite groups. Zbl 0859.20004
Koshitani, Shigeo
3
1996
A remark on p-radical groups. Zbl 0713.20004
Koshitani, Shigeo
2
1990
On the kernels of representations of finite groups. II. Zbl 0722.20004
Koshitani, Shigeo
1
1990
The Loewy structure of the projective indecomposable modules for SL(3,3) and its automorphism group in characteristic 3. Zbl 0634.20018
Koshitani, Shigeo
2
1987
On group algebras of finite groups. Zbl 0634.20003
Koshitani, Shigeo
4
1986
On the Loewy series of the group algebra of a finite p-solvable group with p-length \(>1\). Zbl 0578.20005
Koshitani, Shigeo
10
1985
A remark on the Jacobson radical of a block ideal in a finite p-solvable group. Zbl 0596.16009
Koshitani, Shigeo
4
1985
On lower bounds for the radical of a block ideal in a finite p-solvable group. Zbl 0519.20007
Koshitani, Shigeo
2
1984
On group algebras of finite groups. Zbl 0648.20010
Koshitani, Shigeo
1
1984
On the Jacobson radical of a block ideal in a finite p-solvable group for \(p\geq 5\). Zbl 0507.16011
Koshitani, Shigeo
6
1983
A remark on blocks with dihedral defect groups in solvable groups. Zbl 0465.20007
Koshitani, Shigeo
11
1982
Group algebras of finite p-solvable groups with radicals of the fourth power zero. Zbl 0499.16009
Koshitani, Shigeo
4
1982
A remark on the nilpotency index of the radical of a group algebra of a p-solvable group. Zbl 0458.16006
Koshitani, Shigeo
1
1982
On the kernels of representations of finite groups. Zbl 0469.20006
Koshitani, Shigeo
1
1981
The principal 2-blocks of finite groups with Abelian Sylow 2-subgroups. Zbl 0473.20007
Koshitani, Shigeo
2
1980
Remarks on the commutativity of the radicals of group algebras. Zbl 0402.20004
Koshitani, Shigeo
1
1979
A note on the radical of the centre of a group algebra. Zbl 0389.20003
Koshitani, Shigeo
1
1978
On the nilpotency indices of the radicals of group algebras of \(p\)-groups which have cyclic subgroups of index \(p\). Zbl 0391.16007
Koshitani, Shigeo
6
1977
On the nilpotency indices of the radicals of group algebras of p-solvable groups. Zbl 0388.16009
Koshitani, Shigeo
2
1977
all top 5

Cited by 106 Authors

38 Koshitani, Shigeo
17 Sambale, Benjamin
9 Kunugi, Naoko
9 Lassueur, Caroline
8 Späth, Britta
8 Zhou, Yuanyang
7 Eaton, Charles William
7 Külshammer, Burkhard
6 Müller, Jürgen
6 Waki, Katsushi
5 Harris, Morton E.
5 Kessar, Radha
5 Livesey, Michael James
5 Watanabe, Atumi
4 Feng, Zhicheng
4 Li, Conghui
4 Linckelmann, Markus
4 Malle, Gunter
4 Motose, Kaoru
4 Noeske, Felix
4 Wada, Tomoyuki
3 Brough, Julian M. A.
3 Cabanes, Marc
3 Gao, Sheng
3 Li, Zhenye
3 Miyachi, Hyohe
3 Otokita, Yoshihiro
3 Sakurai, Taro
3 Tasaka, Fuminori
3 Tiep Pham Huu
3 Zhang, Jiping
2 Craven, David A.
2 Fan, Yun
2 Hiss, Gerhard
2 Lübeck, Frank
2 Marcus, Andrei
2 Navarro, Gabriel
2 Shalev, Aner
2 Yang, Qinqin
2 Yoshii, Yutaka
2 Zeng, Jiwen
1 Allan, Adam
1 Altunbulak Aksu, Fatma
1 Ardito, Cesare Giulio
1 Aschbacher, Michael George
1 Bessenrodt, Christine
1 Bueso, José Luis
1 Burichenko, Vladimir P.
1 Carlson, Jon Frederick
1 Chubarov, Igor A.
1 Danz, Susanne
1 Dăscălescu, Sorin
1 Du, Yucong
1 Düvel, Olaf
1 Feng, Yanquan
1 Geline, Michael
1 Gliţia, Dana-Debora
1 Green, David John
1 Guo, Songtao
1 Guralnick, Robert Michael
1 Hida, Akihiko
1 Holloway, Miles
1 Hu, Xiaohan
1 Hu, Xueqin
1 Ishioka, Hiroki
1 Kiyota, Masao
1 Koshio, Ryotaro
1 Kostrikin, Alekseĭ Ivanovich
1 Kozakai, Yuta
1 Laradji, Abdellatif
1 Li, Caiheng
1 Lu, Ziqun
1 Manz, Olaf
1 Martínez, J. Miquel
1 Mazza, Nadia Paola
1 McKernon, Elliot
1 Minuţă, Virgilius-Aurelian
1 Mitsuda, Tadashi
1 Mitsuhashi, Naofumi
1 Murai, Masafumi
1 Narasaki, Ryo
1 Nastasescu, Constantin
1 Năstăsescu, Laura
1 Ninomiya, Yasushi
1 Puig, Lluis
1 Rouquier, Raphaël
1 Schaeffer Fry, Amanda A.
1 Schaps, Mary Elizabeth
1 Schulte, Elisabeth
1 Schwabrow, Inga
1 Sin, Peter K. W.
1 Stammbach, Urs
1 Staszewski, Reiner
1 Takahashi, Moeko
1 Thackray, Jon
1 Thévenaz, Jacques
1 Torrecillas Jover, Blas
1 Turner, Wesley Michael
1 Tuvay, İpek
1 Uno, Katsuhiro
...and 6 more Authors

Citations by Year

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