English
Related papers

Related papers: Analytic families of eigenfunctions on a reductive…

200 papers

We consider singularly perturbed second order elliptic system in the whole space with fast oscillating coefficients. We construct the complete asymptotic expansions for the eigenvalues converging to the isolated ones of the homogenized…

Spectral Theory · Mathematics 2007-05-30 D. Borisov

We consider a relativistic no-pair model of a hydrogenic atom in a classical, exterior magnetic field. First, we prove that the corresponding Hamiltonian is semi-bounded below, for all coupling constants less than or equal to the critical…

Mathematical Physics · Physics 2010-10-11 Oliver Matte , Edgardo Stockmeyer

We consider rational projective homogeneous varieties over an algebraically closed field of positive characteristic, namely quotients of a semi-simple group by a possibly non-reduced parabolic subgroup. We determine the group scheme…

Algebraic Geometry · Mathematics 2025-07-08 Matilde Maccan

Let X = G/H be a reductive symmetric space and K a maximal compact subgroup of G. The image under the Fourier transform of the space of K-finite compactly supported smooth functions on X is characterized.

Representation Theory · Mathematics 2007-05-23 E. P. van den Ban , H. Schlichtkrull

The paper is concerned with the effect of the spatio-temporal heterogeneity on the principal eigenvalue of some linear time-periodic parabolic system. Various asymptotic behaviors of the principal eigenvalue and its monotonicity, as a…

Analysis of PDEs · Mathematics 2025-01-16 Shuang Liu

The Riemann-Hilbert method is employed to carry out an asymptotic analysis of a family of $\sigma$-Painlev\'e V functions associated with Hankel determinants involving the confluent hypergeometric function of the second kind. In the…

Mathematical Physics · Physics 2025-11-25 Thomas Bothner , Fei Wei

This paper is concerned with generalizations of the notion of principal eigenvalue in the context of space-time periodic cooperative systems. When the spatial domain is the whole space, the Krein-Rutman theorem cannot be applied and this…

Analysis of PDEs · Mathematics 2024-06-11 Léo Girardin , Idriss Mazari

A family of random variables $\mathbf{X}(s)$, depending on a real parameter $s>-\frac{1}{2}$, appears in the asymptotics of the joint moments of characteristic polynomials of random unitary matrices and their derivatives, in the ergodic…

Probability · Mathematics 2021-11-03 Theodoros Assiotis , Benjamin Bedert , Mustafa Alper Gunes , Arun Soor

We investigate the asymptotic behavior of eigenfunctions of the Laplacian on Riemannian manifolds. We show that Benjamini-Schramm convergence provides a unified language for the level and eigenvalue aspects of the theory. As a result, we…

Spectral Theory · Mathematics 2022-02-10 Miklos Abert , Nicolas Bergeron , Etienne Le Masson

This paper is devoted to the asymptotic behavior of all eigenvalues of Symmetric (in general non Hermitian) Toeplitz matrices with moderately smooth symbols which trace out a simple loop on the complex plane line as the dimension of the…

We investigate a class of parametric elliptic eigenvalue problems with homogeneous essential boundary conditions where the coefficients (and hence the solution $u$) may depend on a parameter $y$. For the efficient approximate evaluation of…

Numerical Analysis · Mathematics 2024-05-17 Alexey Chernov , Tung Le

We provide new vanishing and glueing results for relative simplicial volume, following up on two current themes in bounded cohomology: The passage from amenable groups to boundedly acyclic groups and the use of equivariant topology. More…

Algebraic Topology · Mathematics 2022-02-14 Kevin Li , Clara Loeh , Marco Moraschini

We establish sharp pointwise kernel estimates and dispersive properties for the wave equation on noncompact symmetric spaces of general rank. This is achieved by combining the stationary phase method and the Hadamard parametrix, and in…

Analysis of PDEs · Mathematics 2024-10-24 Jean-Philippe Anker , Hong-Wei Zhang

We give an explicit expression for the (finitely) flat remainder after analytic normal form reduction of a family of planar saddles of diffeomorphisms or vector fields. We distinguish between a rational or irrational ratio of the moduli of…

Dynamical Systems · Mathematics 2008-02-27 Patrick Bonckaert , Freek Verstringe

The algebraic method of singular reduction is applied for non regular group action on manifolds which provides singular symplectic spaces. The problem of deformation quantization of the singular surfaces is the focus. For some examples of…

Mathematical Physics · Physics 2017-06-27 Victor Palamodov

Higher Lie characters form a distinguished family of symmetric group characters, which appear in many areas of algebra and combinatorics. An old open problem of Thrall is to decompose them into irreducibles. We propose a novel asymptotic…

Representation Theory · Mathematics 2025-09-17 Ron M. Adin , Yuval Roichman , Natalia Tsilevich

We prove that the asymptotic behavior of the recoupling coefficients of the symmetric group is characterized by a quantum marginal problem -- namely, by the existence of quantum states of three particles with given eigenvalues for their…

Quantum Physics · Physics 2018-01-23 Matthias Christandl , Mehmet Burak Şahinoğlu , Michael Walter

This is the second in a series of works devoted to small non-selfadjoint perturbations of selfadjoint semiclassical pseudodifferential operators in dimension 2. As in our previous work, we consider the case when the classical flow of the…

Spectral Theory · Mathematics 2007-05-23 Michael Hitrik , Johannes Sjoestrand

We study planar graphs with large negative curvature outside of a finite set and the spectral theory of Schr{\"o}dinger operators on these graphs. We obtain estimates on the first and second order term of the eigenvalue asymptotics.…

Combinatorics · Mathematics 2021-04-09 Michel Bonnefont , Sylvain Golenia , Matthias Keller

Is considered the asymptotical behavior of spectral function $\rho(\lambda, \epsilon),\epsilon > 0$, of one family of self adjoint differential operators of second order, defined in space $L_2[0,+\infty)$ with potentials, depending on…

funct-an · Mathematics 2008-02-03 A. S. Pechentsov , A. Yu. Popov