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The center of a quantized enveloping algebra at an even root of unity

Quantum Algebra 2014-11-07 v4 Representation Theory

Abstract

We will give an explicit description of the center of the De Concini-Kac type specialization of a quantized enveloping algebra at an even root of unity. The case of an odd root of unity was already dealt with by De Concini-Kac-Procesi. Our description in the even case is similar to but a little more complicated than the odd case.

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Cite

@article{arxiv.1303.6406,
  title  = {The center of a quantized enveloping algebra at an even root of unity},
  author = {Toshiyuki Tanisaki},
  journal= {arXiv preprint arXiv:1303.6406},
  year   = {2014}
}

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31pages,