4 citations · 4 across the 14 of their papers we have counts for
16 papers
On domain monotonicity of Steklov eigenvalues
Sagar Basak, Sheela Verma
In this article, we prove a variant of domain monotonicity property for the Steklov eigenvalues of the Laplacian on strictly star-shaped bounded domains contained in …
Sharp bounds and geometric properties of the first non trivial Steklov Neumann Eigenvalue
Sagar Basak, Gloria Paoli, Rossano Sannipoli +1
In this article, we study the mixed Steklov--Neumann eigenvalue problem on doubly connected domains. First, we show that among all doubly connected domains in of the…
On Eigenvalues of Logarithmic Potential Operator in the Hyperbolic Space
Jiya Rose Johnson, Sheela Verma
Let be a bounded open set in the Poincaré hyperbolic disk, . In this article, we consider the hyperbolic logarithmic potential operator $\mathcal{L}_h : L^2(Ω) \to…
Sharp bounds and monotonicity results for Neumann eigenvalues on graphs
Ashmita Singh, Sheela Verma
In this article, we study sharp bounds for the Neumann eigenvalues of the Laplace operator on graphs. We first establish both lower and upper bounds for the second Neumann eigenval…
Bounds for higher Steklov and mixed Steklov Neumann eigenvalues on domains with holes
Sagar Basak, Sheela Verma
In this article, we study Steklov eigenvalues and mixed Steklov Neumann eigenvalues on a smooth bounded domain in , , having a spherical hole. We focus on…
Sharp bounds for higher Steklov-Dirichlet eigenvalues on domains with spherical holes
Sagar Basak, Anisa Chorwadwala, Sheela Verma
We consider mixed Steklov-Dirichlet eigenvalue problem on smooth bounded domains in Riemannian manifolds. Under certain symmetry assumptions on multiconnected domains in $\mathbb{R…
An isoperimetric inequality for the harmonic mean of Steklov eigenvalues in rank one symmetric spaces
Hemangi Madhusudan Shah, Sheela Verma
In this note, an isoperimetric inequality for the harmonic mean of lower order Steklov eigenvalues is proved on bounded domains in noncompact rank- symmetric spaces. This work e…
Reverse Faber-Krahn inequality for the -Laplacian in Hyperbolic space
Mrityunjoy Ghosh, Sheela Verma
In this paper, we study the shape optimization problem for the first eigenvalue of the -Laplace operator with the mixed Neumann-Dirichlet boundary conditions on multiply-connect…
Szegö-Weinberger type inequalities for symmetric domains in simply connected space forms
T. V. Anoop, Sheela Verma
We consider the Neumann eigenvalue problem for Laplacian on a bounded multi-connected domain contained in simply connected space forms. Under certain symmetry assumptions on the do…
Sharp Steklov upper bound for submanifolds of revolution
Bruno Colbois, Sheela Verma
In this note, we find a sharp upper bound for the Steklov spectrum on a submanifold of revolution in Euclidean space with one boundary component.
An isoperimetric inequality for harmonic mean of Steklov eigenvalues in Hyperbolic space
Sheela Verma
In this article, we prove an isoperimetric inequality for the harmonic mean of the first nonzero Steklov eigenvalues on bounded domains in -dimensional Hyperbolic space.…
An upper bound for the first nonzero Neumann eigenvalue
Sheela Verma
Let denote a complete, simply connected Riemannian manifold with sectional curvature and Ricci curvature ,…
Some sharp bounds for Steklov eigenvalues
Sheela Verma, G. Santhanam
This work is an extension of a result given by Kuttler and Sigillito (SIAM Rev :, ) on a star-shaped bounded domain in . Let be a star-shaped b…
Upper bound for the first non-zero eigenvalue of the -Laplacian
Sheela Verma
Let be a closed hypersurface in and be a bounded domain such that . In this article, we obtain an upper bound for the first non-zero eigenval…
On Eigenvalue Problems Related to the Laplacian in a Class of Doubly Connected Domains
Sheela Verma
We consider two eigenvalue problems for Laplacian on some specific doubly connected domain. In particular, we study the following two eigenvalue problems. Let be an open ball…
Bounds for the first non-zero Steklov eigenvalue
Sheela Verma
Let be a star-shaped bounded domain in with smooth boundary. In this article, we give a sharp lower bound for the first non-zero eigenvalue of the St…