Robinson forcing and the quasidiagonality problem

Author:

Goldbring Isaac1,Sinclair Thomas2

Affiliation:

1. Department of Mathematics, University of California, Irvine, 340 Rowland Hall (Bldg.# 400), Irvine, CA 92697-3875, USA

2. Mathematics Department, Purdue University, 150 N. University Street, West Lafayette, IN 47907-2067, USA

Abstract

We introduce weakenings of two of the more prominent open problems in the classification of C*-algebras, namely the quasidiagonality problem and the UCT problem. We show that a positive solution of the conjunction of the two weaker problems implies a positive solution of the original quasidiagonality problem as well as allows us to give a local, finitary criteria for the MF problem, which asks whether every stably finite C*-algebra is MF.

Funder

Division of Mathematical Sciences

Publisher

World Scientific Pub Co Pte Lt

Subject

General Mathematics

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Model theory of *-algebras;Memoirs of the American Mathematical Society;2021-05

2. AN INVITATION TO MODEL THEORY AND C*-ALGEBRAS;The Bulletin of Symbolic Logic;2019-03

3. ENFORCEABLE OPERATOR ALGEBRAS;Journal of the Institute of Mathematics of Jussieu;2019-03-01

4. Omitting types in logic of metric structures;Journal of Mathematical Logic;2018-11-20

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