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In this survey we show how to produce asymptotics of determinants of structured matrices using operator theory methods. We describe the asymptotics for finite Toeplitz matrices, finite Toeplitz plus Hankel matrices and generalizations of…

Functional Analysis · Mathematics 2024-08-01 E. Basor , T. Ehrhardt , J. A. Virtanen

The purpose of this paper is to describe asymptotic formulas for determinants of a sum of finite Toeplitz and Hankel matrices with singular generating functions. The formulas are similar to those of the analogous problem for finite Toeplitz…

Functional Analysis · Mathematics 2007-05-23 Estelle L. Basor , Torsten Ehrhardt

We compute the asymptotics of the determinants of certain $n\times n$ Toeplitz + Hankel matrices $T_n(a)+H_n(b)$ as $n\to\infty$ with symbols of Fisher-Hartwig type. More specifically we consider the case where $a$ has zeros and poles and…

Functional Analysis · Mathematics 2016-03-03 Estelle L. Basor , Torsten Ehrhardt

Let $A = (a_{j,k})_{j,k=-\infty}^\infty$ be a bounded linear operator on $l^2(\mathbb{Z})$ whose diagonals $D_n(A) = (a_{j,j-n})_{j=-\infty}^\infty\in l^\infty(\mathbb{Z})$ are almost periodic sequences. For certain classes of such…

Functional Analysis · Mathematics 2018-11-27 Torsten Ehrhardt , Zheng Zhou

The purpose of this paper is to compute asymptotically Hankel determinants for weights that are supported in a semi-infinite interval.The main idea is to reduce the problem to determinants of other operators whose determinant asymptotics…

Classical Analysis and ODEs · Mathematics 2007-05-23 Estelle L. Basor , Yang Chen , Harold Widom

We establish asymptotic formulas for the determinants of finite Toeplitz + Hankel matrices of size N, as N goes to infinity for singular generating functions defined on the unit circle in the special case where the generating function is…

Functional Analysis · Mathematics 2008-04-21 Estelle L. Basor , Torsten Ehrhardt

We establish an asymptotic formula for determinants of truncated Wiener-Hopf+Hankel operators with symbol equal to the exponential of a constant times the characteristic function of an interval. This is done by reducing it to the…

Functional Analysis · Mathematics 2007-05-23 Estelle L. Basor , Torsten Ehrhardt , Harold Widom

We work out a generalization of the Szeg\"o limit theorems on the determinant of large matrices. We focus on matrices with nonzero leading principal minors and elements that decay to zero exponentially fast with the distance from the main…

Mathematical Physics · Physics 2025-10-06 Maurizio Fagotti , Vanja Marić

We review the asymptotic behavior of a class of Toeplitz (as well as related Hankel and Toeplitz + Hankel) determinants which arise in integrable models and other contexts. We discuss Szego, Fisher-Hartwig asymptotics, and how a transition…

Mathematical Physics · Physics 2011-10-19 I. Krasovsky

We study a class of rotation invariant determinantal ensembles in the complex plane; examples include the eigenvalues of Gaussian random matrices and the roots of certain families of random polynomials. The main result is a criteria for a…

Probability · Mathematics 2011-02-15 Torsten Ehrhardt , Brian Rider

The purpose of this paper is to describe asymptotic formulas for determinants of certain operators that are analogues of Wiener-Hopf operators. The determinant formulas yield information about the distribution functions for certain random…

Functional Analysis · Mathematics 2015-06-26 Estelle L. Basor , Harold Widom

The classical Szeg\"o theorems study the asymptotic behaviour of the determinants of the finite sections $P_n T(a) P_n$ of Toeplitz operators, i.e., of operators which have constant entries along each diagonal. We generalize these results…

Functional Analysis · Mathematics 2007-05-23 Steffen Roch , Bernd Silbermann

The continuous analogue of a Toeplitz determinant identity for Wiener-Hopf operators is proved. An example which arises from random matrix theory is studied and an error term for the asymptotics of the determinant is computed.

Classical Analysis and ODEs · Mathematics 2007-05-23 Estelle Basor , Yang Chen

The paper is devoted to exact and asymptotic formulas for the determinants of Toeplitz matrices with perturbations by blocks of fixed size in the four corners. If the norms of the inverses of the unperturbed matrices remain bounded as the…

Functional Analysis · Mathematics 2014-07-22 Albrecht Boettcher , Lenny Fukshansky , Stephan Ramon Garcia , Hiren Maharaj

In this article we derive, using standard methods of Toeplitz theory, an asymptotic formula for certain large minors of Toeplitz matrices. D. Bump and P. Diaconis obtained the same asymptotics using representation theory, with an answer…

Functional Analysis · Mathematics 2007-05-23 Craig A. Tracy , Harold Widom

In previous work of C. A. Tracy and the author asymptotic formulas were derived for certain operator determinants whose interest lay in the fact that quotients of them gave solutions to the cylindrical Toda equations. In the present paper…

Functional Analysis · Mathematics 2007-05-23 Harold Widom

We compute the asymptotics of a block Toeplitz determinant which arises in the classical dimer model for the triangular lattice when considering the monomer-monomer correlation function. The model depends on a parameter interpolating…

Mathematical Physics · Physics 2009-11-11 Estelle L. Basor , Torsten Ehrhardt

Bordered and framed Toeplitz/Hankel determinants have the same structure as Toeplitz/Hankel determinants except in small number of matrix rows and/or columns. We review these structured determinants and their connections to orthogonal…

Classical Analysis and ODEs · Mathematics 2024-06-10 Roozbeh Gharakhloo , Karl Liechty

We prove higher order asymptotic formulas for determinants and traces of finite block Toeplitz matrices generated by matrix functions belonging to generalized H\"older spaces with characteristic functions from the Bari-Stechkin class. We…

Functional Analysis · Mathematics 2007-05-23 Alexei Yu. Karlovich

In this article, we continue the development of the Riemann-Hilbert formalism for studying the asymptotics of Toeplitz+Hankel determinants with non-identical symbols, which we initiated in \cite{GI}. In \cite{GI}, we showed that the…

Mathematical Physics · Physics 2025-09-17 Roozbeh Gharakhloo , Alexander Its
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