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Bernstein components via Bernstein center. (arXiv:1512.08637v3 [math.RT] UPDATED)
来源于:arXiv
Let G be a reductive p-adic group. Let $\Phi$ be an invariant distribution on
G lying in the Bernstein center Z(G). We prove that $\Phi$ is supported on
compact elements in G if and only if it defines a constant function on every
component of the set Irr(G); in particular, we show that the space of all
elements of Z(G) supported on compact elements is a subalgebra of Z(G). Our
proof is a slight modiification of the arguments of J.F.Dat who proved our
result in one direction. 查看全文>>