Vogan's globalization conjecture for nilradical cohomology

From papers

Let p\mathfrak{p} be a very nice parabolic subalgebra with associated Levi subgroup L0L_{0}, stable Levi factor l\mathfrak{l}, and nilradical n\mathfrak{n}. Let MM be a Harish-Chandra module for (g,K0)(\mathfrak{g},K_{0}), and let MglobM_{\mathrm{glob}} be one of its four canonical globalizations. The n\mathfrak{n}-cohomology groups Hp(n,Mglob)H^{p}(\mathfrak{n},M_{\mathrm{glob}}) carry their induced topologies, while Hp(n,M)H^{p}(\mathfrak{n},M) is a Harish-Chandra module for (l,K0L0)(\mathfrak{l},K_{0}\cap L_{0}). Vogan's conjecture. The induced topologies on Hp(n,Mglob)H^{p}(\mathfrak{n},M_{\mathrm{glob}}) are Hausdorff, and there are natural isomorphisms of L0L_{0}-representations

Hp(n,Mglob)Hp(n,M)glob,H^{p}(\mathfrak{n},M_{\mathrm{glob}})\cong H^{p}(\mathfrak{n},M)_{\mathrm{glob}},

where Hp(n,M)globH^{p}(\mathfrak{n},M)_{\mathrm{glob}} denotes the canonical globalization to L0L_{0} of the Harish-Chandra module Hp(n,M)H^{p}(\mathfrak{n},M). The conjecture asserts compatibility between the four canonical globalization functors and nilradical cohomology for very nice parabolic subalgebras. Its resolution status is not specified in the supplied text.

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Sources & referencesView supporting material

Primary source

Tim Bratten and Sergio Corti, “The algebraic version of a conjecture by Vogan”, arXiv:math/0606071 (2020).

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