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math.AT2017★ 2 cited
The universal Hall bialgebra of a double 2-Segal space
Mark D Penney
Hall algebras and related constructions have had diverse applications in mathematics and physics, ranging from representation theory and quantum groups to Donaldson-Thomas theory a…
math.AT2017★ 7 cited
Simplicial spaces, lax algebras and the 2-Segal condition
Mark D Penney
Dyckerhoff--Kapranov and Gálvez-Carrillo--Kock--Tonks independently introduced the notion of a -Segal space, that is, a simplicial space satisfying -dimensional analogues of…