3 papers
math.FA2026
A Gleason-Kahane-Żelazko Theorem for spaces
Jaikishan, Sneh Lata, Dinesh Singh
We study two entities that have proved to be of interest and importance in their own right viz. the spaces and the classical Gleason-Kahane-Żelazko (GKZ) theorem. We e…
math.FA2026
Multiplicative linear functionals on reproducing kernel Hilbert spaces
Tirthankar Bhattacharyya, Jaikishan, Poornendu Kumar +1
The classical Gleason--Kahane--Zelazko theorem characterizes multiplicative linear functionals on a unital Banach algebra through the scalar identity . We develo…
math.FA2024
A several variables Kowalski-S\lodkowski theorem for topological spaces
Jaikishan, Sneh Lata, Dinesh Singh
In this paper, we provide a version of the classical result of Kowalski and Słodkowski that generalizes the famous Gleason-Kahane-elazko (GKZ) theorem by characterizin…