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math.NT2025
An algorithm to compute upper bounds of dimensions for Siegel Modular Forms of Prime Level and Arbitrary Nebentypus
Debargha Banerjee, Dron Airon, Pranjal Vishwakarma +1
We describe an algorithmic method to determine the image of restriction maps for Siegel modular forms with \textit{arbitrary} characters and arbitrary weight. A program has been im…
math.NT2023
On the existence of Siegel modular forms with extra twists
Debargha Banerjee, Ronit Debnath
In this paper, we study Siegel modular forms with extra twists. We provide conditions on the level and genus of the forms that is necessary for the existence of extra twists for Si…