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Weyl denominator identity for the affine Lie superalgebra gl(2|2)^

Representation Theory 2010-07-27 v1 Mathematical Physics math.MP

Abstract

We prove the Weyl denominator identity for the affine Lie superalgebra gl(2|2)^ conjectured by V. Kac and M. Wakimoto. As it was pointed out in their paper, this gives another proof of Jacobi identity for the number of presentations of a given integer as a sum of eight squares.

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Cite

@article{arxiv.1007.4305,
  title  = {Weyl denominator identity for the affine Lie superalgebra gl(2|2)^},
  author = {Maria Gorelik},
  journal= {arXiv preprint arXiv:1007.4305},
  year   = {2010}
}

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12 pages