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math.KT2001★ 1 cited
Homology stability for unitary groups
Behrooz Mirzaii, Wilberd van der Kallen
In this paper homology stability for unitary groups over a ring with finite unitary stable rank is established. Homology stability of symplectic groups and orthogonal groups appear…
math.KT2000★ 11 cited
From Mennicke symbols to Euler class groups
Wilberd van der Kallen
Bhatwadekar and Raja Sridharan have constructed a homomorphism of abelian groups from an orbit set Um(n,A)/E(n,A) of unimodular rows to an Euler class group. We suggest that this i…