activity
20242026
collaborators

8 papers

math.AP2026

Brezis-Nirenberg problems for mixed local-nonlocal operators with superlinear perturbations: compactness and applications

Mousomi Bhakta, Nirjan Biswas, Paramananda Das

In this paper, we consider the following mixed local nonlocal Brezis-Nirenberg problem \begin{equation}\label{crit_pro_abstract}\tag{} -Δu+(-Δ)^s u=λ|u|^{p-2}…

math.AP2026

Quasilinear problems with mixed local-nonlocal operator and concave-critical nonlinearities: Multiplicity of positive solutions

Mousomi Bhakta, Nirjan Biswas, Paramananda Das

We study the existence and multiplicity of positive solutions for the following concave-critical problem driven by an operator of mixed order obtained by the sum of the classical $…

math.AP2026

Liouville results for supersolutions of fractional -Laplacian equations with gradient nonlinearities

Mousomi Bhakta, Anup Biswas, Aniket Sen

We prove that any nonnegative viscosity solution of the inequality must be constant. This r…

math.AP2026

Liouville properties for differential inequalities with Laplacian operator

Mousomi Bhakta, Anup Biswas, Roberta Filippucci

In this paper, we establish several Liouville-type theorems for a class of nonhomogenenous quasilinear inequalities. In the first part, we prove various Liouville results associate…

math.AP2025

Liouville results for -Laplacian elliptic equations with source terms involving gradient nonlinearities

Mousomi Bhakta, Anup Biswas, Roberta Filippucci

In this paper, we present a series of Liouville-type theorems for a class of nonhomogeneous quasilinear elliptic equations featuring reactions that depend on the solution and its g…

math.AP2025

Critical -fractional problems involving a sandwich type nonlinearity

Mousomi Bhakta, Alessio Fiscella, Shilpa Gupta

In this paper, we deal with the following -fractional problem $$ (-Δ)^{s_{1}}_{p}u +(-Δ)^{s_{2}}_{q}u=λP(x)|u|^{k-2}u+θ|u|^{p_{s_{1}}^{*}-2}u \, \mbox{ in }\, Ω,\qquad…