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On the relation of Clifford-Lipschitz groups to q-symmetric groups

Bertfried Fauser
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Abstract

It can be shown that it is possible to find a representation of Hecke algebras within Clifford algebras of multivectors. These Clifford algebras possess a unique gradation and a possibly non-symmetric bilinear form. Hecke algebra representations can be classified, for non-generic q, by Young tableaux of the symmetric group due to the isomorphy of the group algebras for q ->1. Since spinors can be constructed as elements of minimal left (right) ideals obtained by the left (right) action on primitive idempotents, we are able to construct q-spinors from q-Young operators corresponding to the appropriate symmetry type. It turns out that an anti-symmetric part in the Clifford bilinear form is necessary. q-deformed reflections (Hecke generators) can be obtained only for even multivector aggregates rendering this symmetry a composite one. In this construction one is able to deform spin groups only, though not pin groups. The method is closely related to a projective interpretation.

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Bertfried Fauser. 1998-07-28. On the relation of Clifford-Lipschitz groups to q-symmetric groups. https://arxiv.org/abs/math/9807158

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