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math.AG2013
Introduction to the Ekedahl Invariants
Ivan Martino
In 2009 T. Ekedahl introduced certain cohomological invariants for finite groups. In this work we introduce these invariants and we show some of their properties. We also give an e…
math.AG2013★ 13 cited
The Ekedahl Invariants for finite groups
Ivan Martino
In 2009 Ekedahl introduced certain cohomological invariants of finite groups which are naturally related to the Noether Problem. We show that these invariants are trivial for every…