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arXiv · 2209.02433

The quantum group $\dot U$ and flag manifolds over the semifield Z

G. Lusztig
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Abstract

We give a parametrization of the canonical basis of the modified quantum group corresponding to a root datum in terms of the flag manifold over the semifield Z associated to the reductive group corresponding to the dual root datum. Some minor errors corrected.

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G. Lusztig. 2022-09-06. The quantum group $\dot U$ and flag manifolds over the semifield Z. https://arxiv.org/abs/2209.02433

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