activity
20242026
collaborators

7 papers

math.NT2026

Twisted Derivations in Algebraic Number Fields

Praveen Manju, Rajendra Kumar Sharma

Let be a commutative ring with unity and be an integral extension of . Assume that is an integral domain with quotient field and is…

math.NT2026

-Derivations of Number Rings with Coding Theory Applications

Praveen Manju, Rajendra Kumar Sharma

In this article, we study -derivations of number rings by considering them as commutative unital -algebras. We begin by characterizing all -derivati…

math.NT2025

The Exact Enumeration of -nomial and -nomial Multiples of the Product of Primitive Polynomials over GF(2)

Soniya Takshak, Rajendra Kumar Sharma

Linear feedback shift registers (LFSRs) are used to generate secret keys in stream cipher cryptosystems. There are different kinds of key-stream generators like filter generators,…

math.RA2024

Inner and Outer Twisted Derivations of Cyclic Group Rings

Praveen Manju, Rajendra Kumar Sharma

In this article, we study twisted derivations of cyclic group rings. Let be a commutative ring with unity, be a finite cyclic group, and () be a pair of -algebra…

math.NT2024

-primitive points on varieties over finite fields

Soniya Takshak, Giorgos Kapetanakis, Rajendra Kumar Sharma

Let be a positive divisor of and a rational function of degree sum over with some restrictions, where the degree sum of a rational function $f…

math.RA2024

Inner and Outer Derivations of

Praveen Manju, Rajendra Kumar Sharma

Let be a field of characteristic or an odd rational prime . In this article, we give an explicit classification of all the inner and outer derivations of the gr…