activity
20152026
most citedSome Identities and Inequalities for Hilbert-Schmidt Frames

33 citations · 115 across the 20 of their papers we have counts for

collaborators

20 papers

math.FA2026

Sampling and Density Theorems for the Fractional Opdam-Cherednik Transform

Riya Ghosh, Anirudha Poria

In this paper, we establish sampling and density results for the fractional Opdam-Cherednik transform. Using the Sturm-Liouville structure of Jacobi functions, we construct a Riesz…

math.FA2024★ 2 cited

The heat semigroup associated with the Jacobi--Cherednik operator and its applications

Anirudha Poria, Ramakrishnan Radha

In this paper, we study the heat equation associated with the Jacobi--Cherednik operator on the real line. We establish some basic properties of the Jacobi--Cherednik heat kernel a…

math.FA2024

Localization operators on discrete Orlicz modulation spaces

Aparajita Dasgupta, Anirudha Poria

In this paper, we introduce Orlicz spaces on and Orlicz modulation spaces on , and study inclusion relations, convolution relations,…

math.FA2022

Uncertainty principles for the short-time Fourier transform on the lattice

Anirudha Poria, Aparajita Dasgupta

In this paper, we study a few versions of the uncertainty principle for the short-time Fourier transform on the lattice . In particular, we establis…

math.FA2022★ 3 cited

Localization Operators On Discrete Modulation Spaces

Aparajita Dasgupta, Anirudha Poria

In this paper, we study a class of pseudo-differential operators known as time-frequency localization operators on , which depend on a symbol and two windows funct…

math.FA2021★ 12 cited

Hausdorff operators associated with the Opdam--Cherednik transform in Lebesgue spaces

Shyam Swarup Mondal, Anirudha Poria

In this paper, we introduce the Hausdorff operator associated with the Opdam--Cherednik transform and study the boundedness of this operator in various Lebesgue spaces. In particul…

math.FA2021★ 6 cited

Weighted Norm Inequalities for the Opdam--Cherednik Transform

Shyam Swarup Mondal, Anirudha Poria

In this paper, we study several weighted norm inequalities for the Opdam--Cherednik transform. We establish different versions of the Heisenberg--Pauli--Weyl inequality for this tr…

math.FA2021★ 6 cited

Uncertainty principles for the windowed Opdam--Cherednik transform

Shyam Swarup Mondal, Anirudha Poria

In this paper, we study a few versions of the uncertainty principle for the windowed Opdam--Cherednik transform. In particular, we establish the uncertainty principle for orthonorm…

math.FA2021★ 4 cited

Qualitative uncertainty principles for the windowed Opdam--Cherednik transform on weighted modulation spaces

Shyam Swarup Mondal, Anirudha Poria

The aim of this paper is to establish a few qualitative uncertainty principles for the windowed Opdam-Cherednik transform on weighted modulation spaces associated with this transfo…

math.FA2021★ 8 cited

Localization operators associated with the windowed Opdam-Cherednik transform on modulation spaces

Anirudha Poria

In this paper, we study a class of pseudodifferential operators known as time-frequency localization operators, which depend on a symbol and two windows functions and $g_…

math.FA2020★ 15 cited

Uncertainty principles for the Opdam-Cherednik transform on modulation spaces

Anirudha Poria

In this paper, we establish the Cowling--Price's, Hardy's and Morgan's uncertainty principles for the Opdam-Cherednik transform on modulation spaces associated with this transform.…

math.FA2020★ 4 cited

Uncertainty Principles for the Fourier and the Short-Time Fourier Transforms

Anirudha Poria

The aim of this paper is to establish a few uncertainty principles for the Fourier and the short-time Fourier transforms. Also, we discuss an analogue of Donoho--Stark uncertainty…

math.FA2019

Positive Weight Function and Classification of g-Frames

Anirudha Poria

Given a positive weight function and an isometry map on a Hilbert spaces , we study a class of linear maps which is a -frame, -Riesz basis and a -orthonormal…

math.FA2018★ 1 cited

Semi-continuous g-frames in Hilbert spaces

Anirudha Poria

In this paper, we introduce the concept of semi-continuous -frames in Hilbert spaces. We first construct an example of semi-continuous -frames using the Fourier transform of…

math.FA2017★ 1 cited

Balian-Low type theorems on

Anirudha Poria, Jitendriya Swain

In this paper we prove amalgam Balian-Low theorems and Balian-Low type theorems on for the special Hermite operator using the Weyl transform.

math.CA2017★ 2 cited

On a problem by Hans Feichtinger

Radu Balan, Kasso A. Okoudjou, Anirudha Poria

In this paper, we solve a spectral problem about positive semi-definite trace-class pseudodifferential operators on modulation spaces which was posed by H. Feichtinger. Later, C. H…

math.FA2017★ 15 cited

Approximation of the Inverse Frame Operator and Stability of HilbertSchmidt Frames

Anirudha Poria

In this paper, we study the HilbertSchmidt frame (HS-frame) theory for separable Hilbert spaces. We first present some characterizations of HS-frames and prove that HS-frames sh…

math.FA2016★ 33 cited

Some Identities and Inequalities for Hilbert-Schmidt Frames

Anirudha Poria

In this paper we establish Parseval type identities and surprising new inequalities for Hilbert-Schmidt frames. Our results generalize and improve the remarkable results which have…

math.FA2015★ 2 cited

Hilbert space valued Gabor frames in weighted amalgam spaces

Anirudha Poria, Jitendriya Swain

Let be a separable Hilbert space. In this paper we establish a generalization of Walnut's representation and Janssen's representation of the valued Gabor…

math.FA2015★ 1 cited

Behavior of Gabor frame operators on Wiener amalgam spaces

Anirudha Poria

It is well known that the Gabor expansions converge to identity operator in weak* sense on the Wiener amalgam spaces as sampling density tends to infinity. In this paper we prove t…