TY  - GEN 
AU  - García Pacheco, Francisco Javier
AU  - Miralles, A.
AU  - Murillo Arcila, Marina
A4  - Matemáticas
PY  - 2022
SN  - 1579-1505
SN  - 1578-7303
UR  - http://hdl.handle.net/10498/35343
AB  - 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 rings, called almost absolutely...
LA  - eng
PB  - Springer
KW  - Spectrum
KW  - Rings
KW  - Algebras
KW  - Zero divisor
KW  - Invertibles
KW  - Operator
TI  - Invertibles in topological rings: A new approach
DO  - 10.1007/S13398-021-01183-4
ER  -