93 citations · 748 across the 47 of their papers we have counts for
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math.RT2013★ 3 cited
Ghost numbers of group algebras II
J. Daniel Christensen, Gaohong Wang
We study several closely related invariants of the group algebra of a finite group. The basic invariant is the ghost number, which measures the failure of the generating hypot…
math.RT2013★ 7 cited
Ghost numbers of Group Algebras
J. Daniel Christensen, Gaohong Wang
Motivated by Freyd's famous unsolved problem in stable homotopy theory, the generating hypothesis for the stable module category of a finite group is the statement that if a map in…