Separating invariants for modular P-groups and groups acting diagonally
Mathematical Research Letters
International Press of Boston / Mathematical Publishing
1029 - 1036
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We study separating algebras for rings of invariants of finite groups. We describe a separating subalgebra for invariants of p-groups in characteristic p using only transfers and norms. Also we give an explicit construction of a finite separating set for invariants of groups acting diagonally. © International Press 2009.