activity
20192026
most citedFractional elliptic systems with critical nonlinearities

10 citations · 16 across the 10 of their papers we have counts for

collaborators

11 papers

math.AP2026

Profile decomposition and multiple positive solutions for the perturbed CR Yamabe equation on the Heisenberg group

Riju Basak, Souptik Chakraborty, Tapendu Rana +1

In this article, we study an inhomogeneous critical nonlinear equation involving the sub-Laplacian on the Heisenberg group . We prove the multiplicity of positive solu…

math.AP2025

On the sharp multi-bubble stability for fractional Hardy-Sobolev equations -- A quantitative approach in low dimensions

Souptik Chakraborty, Utsab Sarkar

We establish sharp quantitative multi-bubble stability for non-sign-changing critical points of the fractional Hardy-Sobolev inequality in the low-dimensional regime .…

math.AP2025

Mixed local-nonlocal equations with critical nonlinearity on : Non-existence, Existence, and Multiplicity of positive solutions

Nirjan Biswas, Souptik Chakraborty, Paramananda Das

We consider the following quasilinear critical problem involving the mixed local-nonlocal operator: \begin{equation}\label{main_prob_abstract_1}\tag{} -Δ_p u+(-Δ_p)^…

math.AP2025

Global Compactness Result for a Brézis-Nirenberg-Type Problem Involving Mixed Local Nonlocal Operator

Souptik Chakraborty, Diksha Gupta, Shammi Malhotra +1

This paper investigates the profile decomposition of Palais-Smale sequences associated with a Brezis-Nirenberg type problem involving a combination of mixed local nonlocal operator…

math.AP2025

Existence of Bianchi-Egnell stability extremizer for the Hardy-Sobolev inequality

Souptik Chakraborty, Monideep Ghosh, Debabrata Karmakar

In this article, we prove the best Bianchi-Egnell constant for the Hardy-Sobolev (HS) inequality \begin{align*} C_{\tiny\mbox{BE}}(γ) := \inf_{u \ \small \mbox{not an optimizer}} \…

math.AP2025★ 1 cited

On -fractional weakly-coupled system with critical nonlinearities

Nirjan Biswas, Souptik Chakraborty

This paper deals with the following nonlocal system of equations: \begin{equation}\tag{}\label{MAT1} (-Δ_p)^s u = \fracα{p_s^*}|u|^{α-2}u|v|^β+f(x) \text{ in } \mathbb{…

math.AP2024

Stability of Hardy-Sobolev Inequality

Souptik Chakraborty

Given we consider the critical Hardy-Sobolev equation in where $0<γ<γ_{H}:=\left(\frac{…

math.AP2020★ 10 cited

Fractional elliptic systems with critical nonlinearities

Mousomi Bhakta, Souptik Chakraborty, Olimpio H. Miyagaki +1

In this paper we study positive solutions to the following nonlocal system of equations: \begin{equation*} \left\{\begin{aligned} &(-Δ)^s u = \fracα{2_s^*}|u|^{α-2}u|v|^β+f(x)\;\;\…

math.AP2020

Fractional Hardy-Sobolev equations with nonhomogeneous terms

Mousomi Bhakta, Souptik Chakraborty, Patrizia Pucci

The paper deals with existence and multiplicity of positive solutions to nonlocal equations with critical Hrardy-Sobolev nonlinearities and external terms. We establish the profile…

math.AP2020★ 5 cited

Nonhomogeneous systems involving critical or subcritical nonlinearities

Mousomi Bhakta, Souptik Chakraborty, Patrizia Pucci

This paper deals with existence of a nontrivial positive solution to systems of equations involving nontrivial nonhomogeneous terms and critical or subcritical nonlinearities. Via…

math.AP2019

Existence and Multiplicity of positive solutions of certain nonlocal scalar field equations

Mousomi Bhakta, Souptik Chakraborty, Debdip Ganguly

We study existence and multiplicity of positive solutions of the following class of nonlocal scalar field equations: \begin{equation} \tag{} \left\{\begin{aligned} (-Δ…