papers

Publications (7)

math.AP2025

Structurally damped semilinear evolution equation for positive operators on Hilbert space

Aparajita Dasgupta, Lalit Mohan, Abhilash Tushir

In this study, we analyze a semilinear damped evolution equation under different damping conditions, including the undamped , effectively damped , critically da…

math.FA2023

Non-harmonic -elliptic pseudo differential operators on manifolds

Aparajita Dasgupta, Vishvesh Kumar, Lalit Mohan +1

In this article, we introduce and study -elliptic pseudo-differential operators in the framework of non-harmonic analysis of boundary value problems on a manifold with boun…

math.AP2021

-Ellipticity of Fredholm Pseudo-Differential Operators on and GÃ¥rding's Inequality

Aparajita Dasgupta, Lalit Mohan

In this paper, we study the -ellipticity of Fredholm pseudo-differential operators associated with weighted symbols on , . We also prove the G…

math.AP2024

Non-harmonic analysis of the wave equation for Schrödinger operators with complex potential

Aparajita Dasgupta, Lalit Mohan, Shyam Swarup Mondal

This article investigates the wave equation for the Schrödinger operator on , denoted as , where is the standard Laplacian and is a…

math.FA2023

Multilinear Fourier Integral operators on modulation spaces

Aparajita Dasgupta, Lalit Mohan, Shyam Swarup Mondal

In this article, we study properties of multilinear Fourier integral operators on weighted modulation spaces. In particular, using the theory of Gabor frames, we study boundedness…

math.FA2022

Weighted periodic and discrete Pseudo-Differential Operators

Aparajita Dasgupta, Lalit Mohan, Shyam Swarup Mondal

In this paper, we study elements of symbolic calculus for pseudo-differential operators associated with the weighted symbol class (asso…