A cohomological description of property T for quantum groups - Mathematics > Operator AlgebrasReport as inadecuate




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Abstract: We prove a Delorme-Guichardet type theorem for discrete quantum groupsexpressing property T of the quantum group in question in terms of its firstcohomology groups. As an application, we show that the first L^2-Betti numberof a discrete property T quantum group vanishes.



Author: David Kyed

Source: https://arxiv.org/







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