By Shigeo Koshitani and others

We show that the 3-block of the sporadic simple Janko group J_4 with defect group C_3 x C_3, and the principal 3-block of the alternating group A_8 are Puig equivalent, answering a question posed in earlier work of Koshitani-Kunugi-Waki. To accomplish this, we apply computational techniques, in particular an explicit... Show more

December 12, 2012

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Broué's abelian defect group conjecture for the sporadic simple Janko group J_4 revisited

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