A (-q)-analogue of weight multiplicities
We prove a conjecture in [L11] stating that certain polynomials P-Y(sigma),(w)(q) introduced in [LV11] for twisted involutions in an affine Weyl group give ( -q)-analogues of weight multiplicities of the Langlands dual group G. We also prove that the signature of a naturally defined hermitian form o...
Main Authors: | Lusztig, George, Yun, Zhiwei |
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Other Authors: | Massachusetts Institute of Technology. Department of Mathematics |
Format: | Article |
Language: | English |
Published: |
2020
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Online Access: | https://hdl.handle.net/1721.1/124838 |
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