3 papers
math.QA2024
Positivstellensatz for C*-tensor categories
Kajal Das, Mainak Ghosh, Shamindra Ghosh
We explore semi-pre-C*-algebras in the context of rigid semisimple C*-tensor categories and using techniques from annular representations, we extend Ozawa's criterion for property…
math.CO2023
On Ahn-Hendrey-Kim-Oum question for twin-width of graphs with 6 vertices
Kajal Das
Twin-width is a recently introduced graph parameter for finite graphs. It is an open problem to determine whether there is an -vertex graph having twin-width at least (due…
math.GR2023
On super-rigidity of Gromov's random monster group
Kajal Das
In this article, we show super-rigidity of Gromov's random monster group. We prove that any morphism from Gromov's random monster group to the group has finite imag…