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Crystal bases and categorifications – Chern medal lecture. (English) Zbl 1441.17014

Sirakov, Boyan (ed.) et al., Proceedings of the international congress of mathematicians, ICM 2018, Rio de Janeiro, Brazil, August 1–9, 2018. Volume I. Plenary lectures. Hackensack, NJ: World Scientific; Rio de Janeiro: Sociedade Brasileira de Matemática (SBM). 249-258 (2018).
Summary: This is a survey of the theory of crystal bases, global bases and cluster algebra structure on the quantum coordinate rings.
For the entire collection see [Zbl 1436.00059].

MSC:

17B37 Quantum groups (quantized enveloping algebras) and related deformations
13F60 Cluster algebras
81R50 Quantum groups and related algebraic methods applied to problems in quantum theory
17-02 Research exposition (monographs, survey articles) pertaining to nonassociative rings and algebras
13-02 Research exposition (monographs, survey articles) pertaining to commutative algebra
81-02 Research exposition (monographs, survey articles) pertaining to quantum theory