On isotypies between Galois conjugate blocks

Article, Preprint English OPEN
Kessar, R. (2012)
  • Publisher: Springer New York
  • Related identifiers: doi: 10.1007/978-1-4614-0709-6_7
  • Subject: QA | Mathematics - Group Theory | Mathematics - Representation Theory
    arxiv: Mathematics::Number Theory
    mesheuropmc: mental disorders

We show that between any pair of Galois conjugate blocks of finite group algebras, there exists an isotypy with all signs positive.
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