Craven, D. A., Eaton, C. W., Kessar, R. & Linckelmann, M. (2011). The structure of blocks with a Klein four defect group. Mathematische Zeitschrift, 268(1-2), pp. 441-476. doi: 10.1007/s00209-010-0679-4
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We prove Erdmann’s conjecture  stating that every block with a Klein four defect group has a simple module with trivial source, and deduce from this that Puig’s finiteness conjecture holds for source algebras of blocks with a Klein four defect group. The proof uses the classification of finite simple groups.
|Divisions:||School of Engineering & Mathematical Sciences > Department of Mathematical Science|
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