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math.QA2026
A Counterexample To Universal Character Density For Compact Quantum Groups
Zongjian Han
In 1987, Woronowicz asked whether the linear span of irreducible characters is norm dense in the cocommutative part of the ambient C-star algebra of a compact quantum group. After…
math.QA2024
Rota-Baxter operators, differential operators, pre- and Novikov structures on groups and Lie algebras
Xing Gao, Li Guo, Zongjian Han +1
Rota-Baxter operators on various structures have found important applications in diverse areas, from renormalization of quantum field theory to Yang-Baxter equations. Relative Rota…
math.QA2024
Rota-Baxter groups with weight zero and integration on topological groups
Xing Gao, Li Guo, Zongjian Han
Rota-Baxter groups with weights have attracted quite much attention since their recent introduction, thanks to their connections with Rota-Baxter Lie algebras, factorizatio…