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math.GT2004
The cohomology of right angled Artin groups with group ring coefficients
Craig Jensen, John Meier
We give an explicit formula for the cohomology of a right angled Artin group with group ring coefficients in terms of the cohomology of its defining flag complex.
math.GT2003
On automorphism groups of free products of finite groups, I: Proper Actions
Yuqing Chen, Henry Glover, Craig Jensen
If is a free product of finite groups, let denote all (necessarily symmetric) automorphisms of that do not permute factors in the free product. We show that a M…