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20092021
most citedNon-harmonic cones are Heisenberg uniqueness pairs for the Fourier transform on

8 citations · 29 across the 18 of their papers we have counts for

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15 papers · 1 filter

math.FA2021

Quaternion Weyl Transform and some uniqueness results

Rupak Kumar Dalai, Somnath Ghosh, R. K. Srivastava

In this article, we study the boundedness and several properties of the quaternion Wigner transform. Using the quaternion Wigner transform as a tool, we define the quaternion Weyl…

math.FA2021

Injectivity of spherical mean on Métivier Group

Rupak Kumar Dalai, R. K. Srivastava

In this article, we study the injectivity of the spherical mean for continuous functions on the Métivier group. The spherical mean is injective for $f(z, .)\in L^p(\mathbb{R}^m),~1…

math.FA2021★ 1 cited

Spherical means on Métivier groups and support theorem

Rupak Kumar Dalai, Somnath Ghosh, R. K. Srivastava

Let be the space of continuous functions on the annulus in whose -twisted spherical mean, in the set up of the Métivier group, vanishes over…

math.FA2021★ 1 cited

Unbounded Weyl transform on the Euclidean motion group and Heisenberg motion group

Somnath Ghosh, R. K. Srivastava

In this article, we define Weyl transform on second countable type - locally compact group and as an operator on we prove that the Weyl transform is compact when…

math.FA2019★ 2 cited

Benedicks-Amrein-Berthier theorem for the Heisenberg motion group and quaternion Heisenberg group

Somnath Ghosh, R. K. Srivastava

Since is a Gelfand pair, an exact analogue of the Heisenberg group result due to Narayanan and Ratnakumar is not possible for the Heisenberg motio…

math.FA2018★ 3 cited

Heisenberg uniqueness pairs for the Fourier transform on the Heisenberg group

Somnath Ghosh, R. K. Srivastava

In this article, we prove that (unit sphere, non-harmonic cone) is a Heisenberg uniqueness pair for the symplectic Fourier transform on We derive that spheres as wel…

math.FA2016

Uniqueness of the Fourier transform on the Euclidean motion group

A. Chattopadhyay, D. K. Giri, R. K. Srivastava

In this article, we prove that if the Fourier transform of a certain integrable function on the Euclidean motion group is of finite rank, then the function has to vanish identicall…

math.FA2016★ 3 cited

Uniqueness of the group Fourier transform on certain nilpotent Lie groups

A. Chattopadhyay, D. K. Giri, R. K. Srivastava

In this article, we prove that if the group Fourier transform of certain integrable functions on the Heisenberg motion group (or step two nilpotent Lie groups) is of finite rank, t…

math.FA2013

Non-harmonic cones are sets of injectivity for the twisted spherical means on

R. K. Srivastava

In this article, we prove that a complex cone is a set of injectivity for the twisted spherical means for the class of all continuous functions on as long as it does…

math.FA2012★ 1 cited

Real analytic expansion of spectral projection and extension of Hecke-Bochner identity

R. K. Srivastava

In this article, we review the Weyl correspondence of bigraded spherical harmonics and use it to extend the Hecke-Bochner identities for the spectral projections …

math.FA2012

Coxeter system of planes are sets of injectivity for the twisted spherical means on

R. K. Srivastava

In this article, we prove that any pair of perpendicular planes is a set of injectivity for the twisted spherical means (TSM) for with T…

math.FA2011★ 5 cited

Coxeter system of lines are sets of injectivity for the twisted spherical means on

R. K. Srivastava

It is well known that a line in is not a set of injectivity for the spherical means for odd functions about that line. We prove that any line passing through the orig…

math.FA2010

Sets of injectivity for weighted twisted spherical means and support theorems

R. K. Srivastava

In this article, we show that the spheres are sets of injectivity for the weighted twisted spherical means (WTSM) for a suitable class of functi…

math.FA2009

Spherical means in annular regions in the -dimensional real hyperbolic spaces

Rama Rawat, R. K. Srivastava

Let be the class of all continuous functions on the annulus $\Ann(r,R)$ in the real hyperbolic space with spherical means , whenever an…

math.FA2009★ 1 cited

Twisted spherical means in annular regions in and support theorems

Rama Rawat, R. K. Srivastava

Let be the class of all continuous functions on the annulus in with twisted spherical mean whenever $z\in \mathbb C^…