Blocks and source algebras for the double covers of the symmetric and alternating groups

DOI10.1006/jabr.1996.0400zbMath0894.20015OpenAlexW2039232803MaRDI QIDQ1355555

Radha Kessar

Publication date: 8 September 1998

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jabr.1996.0400

zbMATH Keywords

Morita equivalencessymmetric groupsdefect groupsalternating groupsDonovan conjecturesource algebrasdouble coversblock algebrasinterior algebrascoresfaithful blocks

Mathematics Subject Classification ID

Representations of finite symmetric groups (20C30) Module categories in associative algebras (16D90) Modular representations and characters (20C20)

Related Items (17)

Broué's perfect isometry conjecture holds for the double covers of the symmetric and alternating groups ⋮ Conjectures of Donovan and Puig for Principal 3-Blocks with Abelian Defect Groups ⋮ Defect 2 spin blocks of symmetric groups and canonical basis coefficients ⋮ On the Morita Frobenius numbers of blocks of finite reductive groups ⋮ Comparing Fock spaces in types \(A^{(1)}A^{(2)}\) ⋮ Brauer trees for the Schur cover of the symmetric group. ⋮ Decomposition numbers for abelian defect RoCK blocks of double covers of symmetric groups ⋮ Perfect isometries and Murnaghan-Nakayama rules ⋮ Source algebras of blocks, sources of simple modules, and a conjecture of Feit. ⋮ On Donovan's conjecture. ⋮ Representation theory of symmetric groups and related Hecke algebras ⋮ Scopes reduction and Morita equivalence classes of blocks in finite classical groups. II. ⋮ The structure of blocks with a Klein four defect group. ⋮ Splendid Morita equivalences for principal 2-blocks with dihedral defect groups ⋮ Maximal Strings in the Crystal Graph of Spin Representations of the Symmetric and Alternating Groups ⋮ Crossover Morita equivalences for blocks of the covering groups of the symmetric and alternating groups ⋮ Scopes reduction and Morita equivalence classes of blocks in finite classical groups

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