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 |
|
2016
|
Broué’s conjecture holds for principal 3-blocks with elementary Abelian defect group of order 9. Zbl 1015.20006
Koshitani, Shigeo; Kunugi, Naoko |
|
2002
|
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 |
|
2012
|
Morita equivalent blocks in non-normal subgroups and \(p\)-radical blocks in finite groups. Zbl 0922.20016
Hida, Akihiko; Koshitani, Shigeo |
|
1999
|
A splitting theorem for blocks. Zbl 0868.20007
Koshitani, Shigeo; Külshammer, Burkhard |
|
1996
|
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 |
|
2001
|
A remark on blocks with dihedral defect groups in solvable groups. Zbl 0465.20007
Koshitani, Shigeo |
|
1982
|
Clifford theory of characters in induced blocks. Zbl 1333.20005
Koshitani, Shigeo; Späth, Britta |
|
2015
|
On Loewy lengths of blocks. Zbl 1329.20009
Koshitani, Shigeo; Külshammer, Burkhard; Sambale, Benjamin |
|
2014
|
The principal \(3\)-blocks of four- and five-dimensional projective special linear groups in non-defining characteristic. Zbl 0959.20011
Koshitani, Shigeo; Miyachi, Hyoue |
|
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 |
|
2004
|
On the Loewy series of the group algebra of a finite p-solvable group with p-length \(>1\). Zbl 0578.20005
Koshitani, Shigeo |
|
1985
|
Broué’s Abelian defect group conjecture holds for the sporadic simple Conway group \(Co_3\). Zbl 1241.20019
Koshitani, Shigeo; Müller, Jürgen; Noeske, Felix |
|
2011
|
Splendid Morita equivalences for principal 2-blocks with dihedral defect groups. Zbl 1480.20026
Koshitani, Shigeo; Lassueur, Caroline |
|
2020
|
Broué’s conjecture for non-principal 3-blocks of finite groups. Zbl 1013.20009
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi |
|
2002
|
The indecomposability of a certain bimodule given by the Brauer construction. Zbl 1069.20008
Koshitani, Shigeo; Linckelmann, Markus |
|
2005
|
Glauberman correspondence of \(p\)-blocks of finite groups. Zbl 1002.20009
Koshitani, Shigeo; Michler, Gerhard O. |
|
2001
|
Blocks with nonabelian defect groups which have cyclic subgroups of index \(p\). Zbl 1195.20010
Holloway, Miles; Koshitani, Shigeo; Kunugi, Naoko |
|
2010
|
The inductive Alperin-McKay condition for 2-blocks with cyclic defect groups. Zbl 1343.20014
Koshitani, Shigeo; Späth, Britta |
|
2016
|
Splendid Morita equivalences for principal blocks with generalised quaternion defect groups. Zbl 1481.20031
Koshitani, Shigeo; Lassueur, Caroline |
|
2020
|
Endo-trivial modules for finite groups with dihedral Sylow 2-subgroup. Zbl 1370.20008
Koshitani, Shigeo; Lassueur, Caroline |
|
2016
|
The principal 3-blocks of the 3-dimensional projective special unitary groups in non-defining characteristic. Zbl 1003.20011
Koshitani, Shigeo; Kunugi, Naoko |
|
2001
|
Trivial source modules in blocks with cyclic defect groups. Zbl 1211.20014
Koshitani, Shigeo; Kunugi, Naoko |
|
2010
|
On the Brauer indecomposability of Scott modules. Zbl 1330.20013
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus |
|
2015
|
Blocks of central \(p\)-group extensions. Zbl 1059.20015
Koshitani, Shigeo; Kunugi, Naoko |
|
2005
|
On the Jacobson radical of a block ideal in a finite p-solvable group for \(p\geq 5\). Zbl 0507.16011
Koshitani, Shigeo |
|
1983
|
Broué’s Abelian defect group conjecture holds for the Janko simple group \(J_4\). Zbl 1148.20008
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi |
|
2008
|
Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with Abelian Sylow 3-subgroups. Zbl 1213.20009
Koshitani, Shigeo; Yoshii, Yutaka |
|
2010
|
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 |
|
1977
|
The principal \(p\)-blocks with four irreducible characters. Zbl 1542.20066
Koshitani, Shigeo; Sakurai, Taro |
|
2021
|
On group algebras of finite groups. Zbl 0634.20003
Koshitani, Shigeo |
|
1986
|
Broué’s Abelian defect group conjecture holds for the Harada-Norton sporadic simple group \(HN\). Zbl 1203.20011
Koshitani, Shigeo; Müller, Jürgen |
|
2010
|
Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups. Zbl 1332.20008
Koshitani, Shigeo; Lassueur, Caroline |
|
2015
|
Group algebras of finite p-solvable groups with radicals of the fourth power zero. Zbl 0499.16009
Koshitani, Shigeo |
|
1982
|
An extension of Watanabe’s theorem for the Isaacs-Horimoto-Watanabe corresponding blocks. Zbl 1091.20006
Harris, Morton E.; Koshitani, Shigeo |
|
2006
|
A remark on the Jacobson radical of a block ideal in a finite p-solvable group. Zbl 0596.16009
Koshitani, Shigeo |
|
1985
|
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 |
|
2013
|
The Brauer indecomposability of Scott modules for the quadratic group \(\mathrm{Qd}(p)\). Zbl 1480.20027
Koshitani, Shigeo; Tuvay, İpek |
|
2019
|
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 |
|
1999
|
The Green correspondents of the Mathieu group \(M_{12}\) in characteristic \(3\). Zbl 0924.20002
Koshitani, Shigeo; Waki, Katsushi |
|
1999
|
The projective cover of the trivial module over a group algebra of a finite group. Zbl 1304.20015
Koshitani, Shigeo |
|
2014
|
Cartan invariants of group algebras of finite groups. Zbl 0859.20004
Koshitani, Shigeo |
|
1996
|
Conjectures of Donovan and Puig for principal 3-blocks with Abelian defect groups. Zbl 1023.20004
Koshitani, Shigeo |
|
2003
|
The Loewy structure of the projective indecomposable modules for SL(3,3) and its automorphism group in characteristic 3. Zbl 0634.20018
Koshitani, Shigeo |
|
1987
|
A note on the radical of the centre of a group algebra. Zbl 0389.20003
Koshitani, Shigeo |
|
1978
|
Brauer indecomposability of Scott modules with semidihedral vertex. Zbl 1542.20067
Koshitani, Shigeo; Tuvay, İpek |
|
2021
|
On symmetric quotients of symmetric algebras. Zbl 1332.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus |
|
2015
|
Local subgroups and group algebras of finite \(p\)-solvable groups. Zbl 0926.20012
Hanaki, Akihide; Koshitani, Shigeo |
|
1998
|
On lower bounds for the radical of a block ideal in a finite p-solvable group. Zbl 0519.20007
Koshitani, Shigeo |
|
1984
|
A remark on p-radical groups. Zbl 0713.20004
Koshitani, Shigeo |
|
1990
|
On the kernels of representations of finite groups. II. Zbl 0722.20004
Koshitani, Shigeo |
|
1990
|
On the kernels of representations of finite groups. Zbl 0469.20006
Koshitani, Shigeo |
|
1981
|
The principal 2-blocks of finite groups with Abelian Sylow 2-subgroups. Zbl 0473.20007
Koshitani, Shigeo |
|
1980
|
On the nilpotency indices of the radicals of group algebras of p-solvable groups. Zbl 0388.16009
Koshitani, Shigeo |
|
1977
|
The Brauer indecomposability of Scott modules with wreathed 2-group vertices. Zbl 1542.20068
Koshitani, Shigeo; Tuvay, İpek |
|
2021
|
The projective cover of the trivial representation for a finite group of Lie type in defining characteristic. Zbl 1423.20011
Koshitani, Shigeo; Müller, Jürgen |
|
2017
|
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 |
|
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 |
|
2014
|
Trivial source endo-trivial modules for finite groups with semi-dihedral Sylow 2-subgroups. Zbl 1511.20041
Koshitani, Shigeo; Lassueur, Caroline |
|
2022
|
On group algebras of finite groups. Zbl 0648.20010
Koshitani, Shigeo |
|
1984
|
Splendid Morita equivalences for principal blocks with semidihedral defect groups. Zbl 1489.20007
Koshitani, Shigeo; Lassueur, Caroline; Sambale, Benjamin |
|
2022
|
Trivial source characters in blocks with cyclic defect groups. Zbl 1462.20004
Koshitani, Shigeo; Lassueur, Caroline |
|
2021
|
A remark on the nilpotency index of the radical of a group algebra of a p-solvable group. Zbl 0458.16006
Koshitani, Shigeo |
|
1982
|
Remarks on the commutativity of the radicals of group algebras. Zbl 0402.20004
Koshitani, Shigeo |
|
1979
|
Trivial source endo-trivial modules for finite groups with semi-dihedral Sylow 2-subgroups. Zbl 1511.20041
Koshitani, Shigeo; Lassueur, Caroline |
|
2022
|
Splendid Morita equivalences for principal blocks with semidihedral defect groups. Zbl 1489.20007
Koshitani, Shigeo; Lassueur, Caroline; Sambale, Benjamin |
|
2022
|
The principal \(p\)-blocks with four irreducible characters. Zbl 1542.20066
Koshitani, Shigeo; Sakurai, Taro |
|
2021
|
Brauer indecomposability of Scott modules with semidihedral vertex. Zbl 1542.20067
Koshitani, Shigeo; Tuvay, İpek |
|
2021
|
The Brauer indecomposability of Scott modules with wreathed 2-group vertices. Zbl 1542.20068
Koshitani, Shigeo; Tuvay, İpek |
|
2021
|
Trivial source characters in blocks with cyclic defect groups. Zbl 1462.20004
Koshitani, Shigeo; Lassueur, Caroline |
|
2021
|
Splendid Morita equivalences for principal 2-blocks with dihedral defect groups. Zbl 1480.20026
Koshitani, Shigeo; Lassueur, Caroline |
|
2020
|
Splendid Morita equivalences for principal blocks with generalised quaternion defect groups. Zbl 1481.20031
Koshitani, Shigeo; Lassueur, Caroline |
|
2020
|
The Brauer indecomposability of Scott modules for the quadratic group \(\mathrm{Qd}(p)\). Zbl 1480.20027
Koshitani, Shigeo; Tuvay, İpek |
|
2019
|
The projective cover of the trivial representation for a finite group of Lie type in defining characteristic. Zbl 1423.20011
Koshitani, Shigeo; Müller, Jürgen |
|
2017
|
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 |
|
2016
|
The inductive Alperin-McKay condition for 2-blocks with cyclic defect groups. Zbl 1343.20014
Koshitani, Shigeo; Späth, Britta |
|
2016
|
Endo-trivial modules for finite groups with dihedral Sylow 2-subgroup. Zbl 1370.20008
Koshitani, Shigeo; Lassueur, Caroline |
|
2016
|
Clifford theory of characters in induced blocks. Zbl 1333.20005
Koshitani, Shigeo; Späth, Britta |
|
2015
|
On the Brauer indecomposability of Scott modules. Zbl 1330.20013
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus |
|
2015
|
Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups. Zbl 1332.20008
Koshitani, Shigeo; Lassueur, Caroline |
|
2015
|
On symmetric quotients of symmetric algebras. Zbl 1332.20007
Kessar, Radha; Koshitani, Shigeo; Linckelmann, Markus |
|
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 |
|
2015
|
On Loewy lengths of blocks. Zbl 1329.20009
Koshitani, Shigeo; Külshammer, Burkhard; Sambale, Benjamin |
|
2014
|
The projective cover of the trivial module over a group algebra of a finite group. Zbl 1304.20015
Koshitani, Shigeo |
|
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 |
|
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 |
|
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 |
|
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 |
|
2011
|
Blocks with nonabelian defect groups which have cyclic subgroups of index \(p\). Zbl 1195.20010
Holloway, Miles; Koshitani, Shigeo; Kunugi, Naoko |
|
2010
|
Trivial source modules in blocks with cyclic defect groups. Zbl 1211.20014
Koshitani, Shigeo; Kunugi, Naoko |
|
2010
|
Eigenvalues of Cartan matrices of principal 3-blocks of finite groups with Abelian Sylow 3-subgroups. Zbl 1213.20009
Koshitani, Shigeo; Yoshii, Yutaka |
|
2010
|
Broué’s Abelian defect group conjecture holds for the Harada-Norton sporadic simple group \(HN\). Zbl 1203.20011
Koshitani, Shigeo; Müller, Jürgen |
|
2010
|
Broué’s Abelian defect group conjecture holds for the Janko simple group \(J_4\). Zbl 1148.20008
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi |
|
2008
|
An extension of Watanabe’s theorem for the Isaacs-Horimoto-Watanabe corresponding blocks. Zbl 1091.20006
Harris, Morton E.; Koshitani, Shigeo |
|
2006
|
The indecomposability of a certain bimodule given by the Brauer construction. Zbl 1069.20008
Koshitani, Shigeo; Linckelmann, Markus |
|
2005
|
Blocks of central \(p\)-group extensions. Zbl 1059.20015
Koshitani, Shigeo; Kunugi, Naoko |
|
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 |
|
2004
|
Conjectures of Donovan and Puig for principal 3-blocks with Abelian defect groups. Zbl 1023.20004
Koshitani, Shigeo |
|
2003
|
Broué’s conjecture holds for principal 3-blocks with elementary Abelian defect group of order 9. Zbl 1015.20006
Koshitani, Shigeo; Kunugi, Naoko |
|
2002
|
Broué’s conjecture for non-principal 3-blocks of finite groups. Zbl 1013.20009
Koshitani, Shigeo; Kunugi, Naoko; Waki, Katsushi |
|
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 |
|
2001
|
Glauberman correspondence of \(p\)-blocks of finite groups. Zbl 1002.20009
Koshitani, Shigeo; Michler, Gerhard O. |
|
2001
|
The principal 3-blocks of the 3-dimensional projective special unitary groups in non-defining characteristic. Zbl 1003.20011
Koshitani, Shigeo; Kunugi, Naoko |
|
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 |
|
2000
|
Morita equivalent blocks in non-normal subgroups and \(p\)-radical blocks in finite groups. Zbl 0922.20016
Hida, Akihiko; Koshitani, Shigeo |
|
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 |
|
1999
|
The Green correspondents of the Mathieu group \(M_{12}\) in characteristic \(3\). Zbl 0924.20002
Koshitani, Shigeo; Waki, Katsushi |
|
1999
|
Local subgroups and group algebras of finite \(p\)-solvable groups. Zbl 0926.20012
Hanaki, Akihide; Koshitani, Shigeo |
|
1998
|
A splitting theorem for blocks. Zbl 0868.20007
Koshitani, Shigeo; Külshammer, Burkhard |
|
1996
|
Cartan invariants of group algebras of finite groups. Zbl 0859.20004
Koshitani, Shigeo |
|
1996
|
A remark on p-radical groups. Zbl 0713.20004
Koshitani, Shigeo |
|
1990
|
On the kernels of representations of finite groups. II. Zbl 0722.20004
Koshitani, Shigeo |
|
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 |
|
1987
|
On group algebras of finite groups. Zbl 0634.20003
Koshitani, Shigeo |
|
1986
|
On the Loewy series of the group algebra of a finite p-solvable group with p-length \(>1\). Zbl 0578.20005
Koshitani, Shigeo |
|
1985
|
A remark on the Jacobson radical of a block ideal in a finite p-solvable group. Zbl 0596.16009
Koshitani, Shigeo |
|
1985
|
On lower bounds for the radical of a block ideal in a finite p-solvable group. Zbl 0519.20007
Koshitani, Shigeo |
|
1984
|
On group algebras of finite groups. Zbl 0648.20010
Koshitani, Shigeo |
|
1984
|
On the Jacobson radical of a block ideal in a finite p-solvable group for \(p\geq 5\). Zbl 0507.16011
Koshitani, Shigeo |
|
1983
|
A remark on blocks with dihedral defect groups in solvable groups. Zbl 0465.20007
Koshitani, Shigeo |
|
1982
|
Group algebras of finite p-solvable groups with radicals of the fourth power zero. Zbl 0499.16009
Koshitani, Shigeo |
|
1982
|
A remark on the nilpotency index of the radical of a group algebra of a p-solvable group. Zbl 0458.16006
Koshitani, Shigeo |
|
1982
|
On the kernels of representations of finite groups. Zbl 0469.20006
Koshitani, Shigeo |
|
1981
|
The principal 2-blocks of finite groups with Abelian Sylow 2-subgroups. Zbl 0473.20007
Koshitani, Shigeo |
|
1980
|
Remarks on the commutativity of the radicals of group algebras. Zbl 0402.20004
Koshitani, Shigeo |
|
1979
|
A note on the radical of the centre of a group algebra. Zbl 0389.20003
Koshitani, Shigeo |
|
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 |
|
1977
|
On the nilpotency indices of the radicals of group algebras of p-solvable groups. Zbl 0388.16009
Koshitani, Shigeo |
|
1977
|
