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20082022
most citedRobust Watermarking in Multiresolution Walsh-Hadamard Transform

13 citations · 39 across the 19 of their papers we have counts for

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math.CA2022

Ramanujan's -continued fractions

Gaurav Bhatnagar

Ramanujan's -continued fractions are a central part of Ramanujan's development of basic hypergeometric series. They appear in Chapter 16 of Part III and Chapter 32 of Part V of…

math.CA2022

Telescoping continued fractions for the error term in Stirling's formula

Gaurav Bhatnagar, Krishnan Rajkumar

In this paper, we introduce telescoping continued fractions to find lower bounds for the error term in Stirling's approximation $\displaystyle n! = \sqrt{2π}n^{n+1/2}e^{-n}e^…

math.CA2021

Expansion formulas for multiple basic hypergeometric series over root systems

Gaurav Bhatnagar, Surbhi Rai

We extend expansion formulas of Liu given in 2013 to the context of multiple series over root systems. Liu and others have shown the usefulness of these formulas in Special Functio…

math.CA2019

On Entry II.16.12: A continued fraction of Ramanujan

Gaurav Bhatnagar, Mourad E. H. Ismail

We study a continued fraction due to Ramanujan, that he recorded as Entry 12 in Chapter 16 of his second notebook. It is presented in Part III of Berndt's volumes on Ramanujan's no…

math.CA2019

Orthogonal polynomials associated with a continued fraction of Hirschhorn

Gaurav Bhatnagar, Mourad E. H. Ismail

We study orthogonal polynomials associated with a continued fraction due to Hirschhorn. Hirschhorn's continued fraction contains as special cases the famous Rogers--Ramanujan conti…

math.CA2018★ 2 cited

The Determinant of an Elliptic Sylvesteresque Matrix

Gaurav Bhatnagar, Christian Krattenthaler

We evaluate the determinant of a matrix whose entries are elliptic hypergeometric terms and whose form is reminiscent of Sylvester matrices. A hypergeometric determinant evaluation…