Browsing Departament: Matemàtiques by Source "RACSAM (2022) 116"
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Invertibles in topological rings: a new approach
Springer (2021-11-15)Every element in the boundary of the group of invertibles of a Banach algebra is a topological zero divisor. We extend this result to the scope of topological rings. In particular, we define a new class of semi-normed ...