2 papers
math.MG2024
A weight-free characterisation of Yu's Property A
Jiawen Zhang, Jingming Zhu
In this short note, we give a complete answer to the question of when the generalised Følner sets exhibiting property A can be chosen to be subsets of the space itself. More preci…
math.OA2024
Transfinite Extension of Nuclear Dimension
Jingming Zhu, Jiawen Zhang
In this paper, we introduce a notion of transfinite nuclear dimension for -algebras, which coincides with the nuclear dimension when taking values in natural numbers. We use i…