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math.RT2021
Picard groups for some blocks with TI defect groups
Claudio Marchi
We calculate the Picard groups for principal blocks with TI defect groups and cyclic inertial quotient. The methods used generalize results on self stable equivalences and take…
math.RT2020
On Picent for blocks with normal defect group
Michael Livesey, Claudio Marchi
We prove that if is a block of a finite group with normal abelian defect group and inertial quotient a direct product of elementary abelian groups, then $\operatorname{Picent}(…