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We consider ensembles of real symmetric band matrices with entries drawn from an infinite sequence of exchangeable random variables, as far as the symmetry of the matrices permits. In general the entries of the upper triangular parts of…

概率论 · 数学 2020-01-22 Werner Kirsch , Thomas Kriecherbauer

These notes provide an introduction to the theory of random matrices. The central quantity studied is $\tau(a)= det(1-K)$ where $K$ is the integral operator with kernel $1/\pi} {\sin\pi(x-y)\over x-y} \chi_I(y)$. Here…

高能物理 - 理论 · 物理学 2015-06-26 Craig A. Tracy , Harold Widom

This paper introduces the notion of probabilistic zero bounds for random polynomials. It presents new results regarding the probabilistic bounds of random polynomials whose coefficients are independently and identically distributed as…

复变函数 · 数学 2026-05-27 Sajad A. Sheikh , Mohammad Ibrahim Mir

In this paper, ordinary and exponential dichotomies are defined in differential equations with equations with piecewise constant argument of general type. We prove the asymptotic equivalence between the bounded solutions of a linear system…

经典分析与常微分方程 · 数学 2015-09-29 Aníbal Coronel , Christopher Maulén , Manuel Pinto , Daniel Sepúlveda

We develop an analytic theory of operator-valued additive free convolution in terms of subordination functions. In contrast to earlier investigations our functions are not just given by power series expansions, but are defined as Frechet…

算子代数 · 数学 2013-09-03 Serban Belinschi , Tobias Mai , Roland Speicher

The eigenvalue distribution is investigated for matrix models related via the localization to Chern-Simons-matter theories. An integral representation of the planar resolvent is used to derive the positions of the branch points of the…

高能物理 - 理论 · 物理学 2015-05-28 Takao Suyama

We study first-order symmetrizable hyperbolic $N\times N$ systems in a spacetime cylinder whose lateral boundary is totally characteristic. In local coordinates near the boundary at $x=0$, these systems take the form \[ \partial_t u +…

偏微分方程分析 · 数学 2023-12-19 Zhuoping Ruan , Ingo Witt

We describe an algorithm to compute the extremal eigenvalues and corresponding eigenvectors of a symmetric matrix by solving a sequence of Quadratic Binary Optimization problems. This algorithm is robust across many different classes of…

新兴技术 · 计算机科学 2022-10-12 Benjamin Krakoff , Susan M. Mniszewski , Christian F. A. Negre

This paper studies the Cauchy problem for variable coefficient weakly hyperbolic first order systems of partial differential operators. The hyperbolicity assumption is that for each $t, x$ the principal symbol is hyperbolic. No hypothesis…

偏微分方程分析 · 数学 2019-11-07 Ferruccio Colombini , Tatsuo Nishitani , Jeffrey Rauch

The exchange algorithm is one of the most popular extensions of the Metropolis--Hastings algorithm to sample from doubly-intractable distributions. However, the theoretical exploration of the exchange algorithm is very limited. For example,…

统计计算 · 统计学 2021-08-20 Guanyang Wang

We show that beta ensembles in Random Matrix Theory with generic real analytic potential have the asymptotic equipartition property. In addition, we prove a Central Limit Theorem for the density of the eigenvalues of these ensembles.

Motivated by the central limit problem for convex bodies, we study normal approximation of linear functionals of high-dimensional random vectors with various types of symmetries. In particular, we obtain results for distributions which are…

概率论 · 数学 2016-09-07 Elizabeth S. Meckes , Mark W. Meckes

In this paper, an analogue of matrix models from free probability is developed in the bi-free setting. A bi-matrix model is not simply a pair of matrix models, but a pair of matrix models where one element in the pair acts by…

算子代数 · 数学 2019-02-08 Paul Skoufranis

We introduce a general method for transforming the equations of motion following from a Das-Jevicki-Sakita Hamiltonian, with boundary conditions, into a boundary value problem in one-dimensional quantum mechanics. For the particular case of…

高能物理 - 理论 · 物理学 2009-10-31 L. D. Paniak

In this review we summarise recent results for the complex eigenvalues and singular values of finite products of finite size random matrices, their correlation functions and asymptotic limits. The matrices in the product are taken from…

数学物理 · 物理学 2015-10-28 Gernot Akemann , Jesper R. Ipsen

We consider the single eigenvalue fluctuations of random matrices of general Wigner-type, under a one-cut assumption on the density of states. For eigenvalues in the bulk, we prove that the asymptotic fluctuations of a single eigenvalue…

数学物理 · 物理学 2022-12-07 Benjamin Landon , Patrick Lopatto , Philippe Sosoe

We find uniform asymptotic formulas for all the eigenvalues of certain 7-diagonal symmetric Toeplitz matrices of large dimension. The entries of the matrices are real and we consider the case where the real-valued generating function such…

谱理论 · 数学 2021-11-16 V. Stukopin , S. Grudsky , I. Voronin , M. Barrera

Voiculescu's notion of asymptotic free independence applies to a wide range of random matrices, including those that are independent and unitarily invariant. In this work, we generalize this notion by considering random matrices with a…

算子代数 · 数学 2025-04-03 Ion Nechita , Sang-Jun Park

We consider $n\times n$ random matrices $M_{n}=\sum_{\alpha =1}^{m}{\tau _{\alpha }}\mathbf{y}_{\alpha }\otimes \mathbf{y}_{\alpha }$, where $\tau _{\alpha }\in \mathbb{R}$, $\{\mathbf{y}_{\alpha }\}_{\alpha =1}^{m}$ are i.i.d. isotropic…

概率论 · 数学 2013-12-02 O. Guédon , A. Lytova , A. Pajor , L. Pastur

An algebraic Riccati equation for linear operators is studied, which arises in systems theory. For the case that all involved operators are unbounded, the existence of infinitely many selfadjoint solutions is shown. To this end, invariant…

泛函分析 · 数学 2013-11-12 Christian Wyss