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Showing 2003Show all
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math.RT2003
Hochschild Cohomology of skew group rings and invariants
Eduardo do Nascimento Marcos, Roberto Martinez-Villa, Maria Izabel Ramalho Martins
Let be a -algebra and be a group acting on . We show that also acts on the Hochschild cohomology algebra and that there is a monomorphism of rin…
math.AG2003★ 13 cited
Prym varieties and fourfold covers
Sevin Recillas, Rubi Rodriguez
We describe the isotypical decomposition of the Jacobian variety JW of the Galois extension W-->T of any fourfold cover of smooth connected irreducible projective complex curves X-…