Relating signed and classical Kazhdan-Lusztig polynomials (Q742564)
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| Language | Label | Description | Also known as |
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| English | Relating signed and classical Kazhdan-Lusztig polynomials |
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Relating signed and classical Kazhdan-Lusztig polynomials (English)
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18 September 2014
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In this paper it is shown that signed Kazhdan-Lusztig polynomials are ordinary Kazhdan-Lusztig polynomials evaluated at \(-q\) and multiplied by a sign. This implies a signature character inversion formula and has applications to finding the unitary dual for real reductive Lie groups.
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Kazhdan-Lusztig polynomial
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signature
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Jantzen filtration
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