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math.RT2018
Splendid Morita equivalences for principal blocks with generalised quaternion defect groups
Shigeo Koshitani, Caroline Lassueur
We prove that splendid Morita equivalences between principal blocks of finite groups with dihedral Sylow -subgroups realised by Scott modules can be lifted to splendid Morita eq…
math.RT2018
On the lifting of the Dade group
Caroline Lassueur, Jacques Thévenaz
For the group of endo-permutation modules of a finite \(p\)-group, there is a surjective reduction modulo \(p\) homomorphism from a complete discrete valuation ring of characterist…