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math.OA2021
Tracial approximate divisibility and stable rank one
Xuanlong Fu, Kang Li, Huaxin Lin
We show that every separable simple tracially approximately divisible -algebra has strict comparison, is either purely infinite, or has stable rank one. As a consequence, we s…
math.OA2021★ 3 cited
On tracial -stability of simple non-unital C*-algebras
Jorge Castillejos, Kang Li, Gabor Szabo
We investigate the notion of tracial -stability beyond unital C*-algebras, and we prove that this notion is equivalent to -stability in the class of separab…
math.MG2021
Measured expanders
Kang Li, Ján Špakula, Jiawen Zhang
By measured graphs we mean graphs endowed with a measure on the set of vertices. In this context, we explore the relations between the appropriate Cheeger constant and Poincaré ine…