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19942025
most citedEntanglement in XY Spin Chain

278 citations · 1.7k across the 68 of their papers we have counts for

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8 papers · 1 filter

nlin.SI2020

On Tracy-Widom distribution and the second Calogero-Painlevé system

Alexander Its, Andrei Prokhorov

The Calogero-Painlevé systems were introduced in 2001 by K. Takasaki as a natural generalization of the classical Painlevé equations to the case of the several Painlevé ``particles…

nlin.SI2014★ 5 cited

Periodic problem for the nonlinear Schroedinger equation

Vladimir Kotlyarov, Alexander Its

The paper offers the method of discovering of some class of solutions for the nonlinear Schroedinger equation. An algorithm of constructive solving of the Cauchy periodic problem w…

nlin.SI2013

Asymptotics of a cubic sine kernel determinant

Thomas Bothner, Alexander Its

We study the one parameter family of Fredholm determinants of an integrable Fredholm operator acting on the…

nlin.SI2012★ 15 cited

Initial boundary value problem for the focusing NLS equation with Robin boundary condition: half-line approach

Alexander Its, Dmitry Shepelsky

We consider the initial boundary value problem for the focusing nonlinear Schrödinger equation in the quarter plane in the case of decaying initial data (for , as $x…

nlin.SI2004★ 259 cited

The Nonlinear Schrödinger Equation on the Interval

A. S. Fokas, A. R. Its

Let satisfy the Dirichlet initial-boundary value problem for the nonlinear Schrödinger equation on the finite interval, , with , $g_{0}(t) =…

nlin.SI2001

The nonlinear steepest descent approach to the asymptotics of the second Painleve transcendent in the complex domain

A. R. Its, A. A. Kapaev

The asymptotics of the generic second Painleve transcendent in the complex domain is found and justified via the direct asymptotic analysis of the associated Riemann-Hilbert proble…

nlin.SI2001★ 43 cited

Quasi-linear Stokes phenomenon for the second Painlevé transcendent

A. R. Its, A. A. Kapaev

Using the Riemann-Hilbert approach, we study the quasi-linear Stokes phenomenon for the second Painlevé equation . The precise description of the exponentially sm…

nlin.SI2000★ 69 cited

Random Words, Toeplitz Determinants and Integrable Systems. II

Alexander R. Its, Craig A. Tracy, Harold Widom

This paper, a continuation of math.CO/9909169, connects the analysis of the length of the longest weakly increasing subsequence of inhomogeneous random words to a Riemann-Hilbert p…