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Quantum groups under very strong axioms

Volume 67 / 2019

Teo Banica Bulletin Polish Acad. Sci. Math. 67 (2019), 83-99 MSC: Primary 46L65; Secondary 22E46. DOI: 10.4064/ba190128-8-3 Published online: 12 April 2019


We study the intermediate quantum groups $H_N\subset G\subset U_N^+$. The basic examples are $H_N,K_N,O_N,U_N,H_N^+,K_N^+,O_N^+,U_N^+$, which form a cube. Any other example $G$ sits inside the cube, and by using standard operations, namely intersection $\cap $ and generation $\langle\,,\rangle $, can be projected on the faces and edges. We prove that under the strongest possible axioms, namely (1) easiness, (2) uniformity, and (3) geometric coherence of the various projection operations, the eight basic solutions are the only ones.


  • Teo BanicaDepartment of Mathematics
    University of Cergy-Pontoise
    F-95000 Cergy-Pontoise, France

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