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math.NT2023★ 3 cited
Delta Characters and Crystalline Cohomology
Sudip Pandit, Arnab Saha
The first part of the paper develops the theory of -shifted -typical Witt vectors which can be viewed as subobjects of the usual -typical Witt vectors. We show that the sh…
math.NT2022
Delta Theory of Anderson Modules I: Differential Characters
Sudip Pandit, Arnab Saha
In this article we develop the theory of differential or delta characters (the arithmetic analogue of Manin characters) of Anderson modules. Here we generalize the construction by…
math.NT2021
On a certain divisor function in Number fields
Rajat Gupta, Sudip Pandit
The main aim of this paper is to study an analogue of the generalized divisor function in a number field , namely, . The Dirichlet series associate…