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On the analogy between real reductive gr...
Afgoustidis, Alexand...
On the analogy between real reductive groups and Cartan motion groups. I: The Mackey-Higson bijection by Afgoustidis, Alexandre ( Author )
N.A
09-10-2015
George Mackey suggested in 1975 that there should be analogies between the irreducible unitary representations of a noncompact reductive Lie group G and those of its Cartan motion group G0 − the semidirect product of a maximal compact subgroup of G and a vector space. He conjectured the existence of a natural one-to-one correspondence between "most" irreducible (tempered) representations of G and "most" irreducible (unitary) representations of G0. We here describe a simple and natural bijection between the tempered duals of both groups, and an extension to a one-to-one correspondence between the admissible duals.
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http://arxiv.org/abs/1510.02650
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