Topological properties of operations on spaces of differentiable functions

Document Type: Special issue: Trends in Operators on Banach Spaces


‎The University of Memphis‎, USA


‎In this paper‎, ‎we consider different notions of openness for the scalar multiplication on sequence spaces and spaces of continuous functions‎. ‎We apply existing techniques to derive weak openness of multiplication on spaces of differentiable functions‎, ‎endowed with a large collection of quasi-algebra norms‎.


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