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20202025
most citedStrictly Hyperbolic Cauchy Problems on with Unbounded and Singular Coefficients

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math.NT2025

On Some Generalisations of Gauss Sequences

Sathyanarayan Narayan, N. Uday Kiran

In this paper, we introduce integer sequences satisfying new congruence properties inspired by the Euler and Gauss congruences, which we call Euler--Gauss sequences. Noting that ev…

math.NT2025

Some Generalizations of Totient Function with Elementary Symmetric Sums

Udvas Acharjee, N. Uday Kiran

We generalize certain totient functions using elementary symmetric polynomials and derive explicit product forms for the totient functions involving the second elementary symmetric…

math.NT2024

An Algebraic Generalization of the Ramanujan Sum

N. Uday Kiran

Ramanujan sums have attracted significant attention in both mathematical and engineering disciplines due to their diverse applications. In this paper, we introduce an algebraic gen…

math.NT2021

An Algebraic Approach to Degenerate Bernoulli Numbers

N. Uday Kiran, Sampath Lonka

In this work we study the properties of a new algebraic variant of the degenerate Bernoulli polynomial and study the corresponding degenerate Bernoulli number $\…

math.NT2021

An Algebraic Approach to q-Partial Fractions and Sylvester Denumerants

N. Uday Kiran

In 1857 Sylvester established an elegant theory that certain counting functions (which he termed denumerants) are quasi-polynomials by decomposing them into periodic and non-period…

math.NT2020

Some Partial Fraction Identities associated with the Cyclotomic Polynomials

N. Uday Kiran

We establish some partial fraction identities for rational functions whose denominators are implicit products of the cyclotomic polynomials. To achieve this, we first develop a gen…