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arXiv · 2503.17518

Characters of quantum loop algebras

Andrei Neguţ
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Abstract

The q-characters of quantum loop algebras are very important objects in representation theory. In [20], we showed that q-characters factor as a power series of the form studied in [9] times a character, an important phenomenon which had already been known in finite types. In the present paper, we prove a conjectural formula for the aforementioned character factor.

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Andrei Neguţ. 2025-03-21. Characters of quantum loop algebras. https://arxiv.org/abs/2503.17518

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