Quantized semisimple Lie groups
arxiv(2024)
摘要
These notes present a quick introduction to the q-deformations of semisimple
Lie groups from the point of view of unitary representation theory. In order to
remain concrete, we concentrate entirely on the case of the lie algebra
sl(2,ℂ) and its associated compact and complex semisimple
Lie groups SU(2) and SL(2,ℂ).
We treat the following topics: The quantized enveloping algebra and its
representations; Hopf algebras and the various notions of quantum groups; real
structures; quantized algebras of functions on a compact semisimple group;
quantized convolution algebras; the Peter-Weyl theorem; quantized complex
semisimple Lie groups as quantum doubles; representations of quantized complex
semisimple Lie groups; the quantum analogue of Harish-Chandra's Plancherel
formula.
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