Results 11 to 20 of about 1,316 (127)

The “good” Boussinesq equation : long-time asymptotics

open access: yesAnalysis & PDE, 2023
We consider the initial-value problem for the ``good'' Boussinesq equation on the line. Using inverse scattering techniques, the solution can be expressed in terms of the solution of a $3 \times 3$-matrix Riemann-Hilbert problem. We establish formulas for the long-time asymptotics of the solution by performing a Deift-Zhou steepest descent analysis of ...
Charlier, Christophe   +2 more
openaire   +4 more sources

Long-Time Asymptotics for Polymerization Models [PDF]

open access: yesCommunications in Mathematical Physics, 2018
https://link.springer.com/article/10.1007/s00220-018-3218 ...
Calvo, Juan   +2 more
openaire   +4 more sources

Long Time Asymptotics for Optimal Investment [PDF]

open access: yes, 2015
This survey reviews portfolio selection problem for long-term horizon. We consider two objectives: (i) maximize the probability for outperforming a target growth rate of wealth process (ii) minimize the probability of falling below a target growth rate. We study the asymptotic behavior of these criteria formulated as large deviations control pro\-blems,
Rosenbaum, M., Yor, Marc
openaire   +6 more sources

Refined long-time asymptotics for Fisher–KPP fronts [PDF]

open access: yesCommunications in Contemporary Mathematics, 2019
We study the one-dimensional Fisher–KPP equation, with an initial condition [Formula: see text] that coincides with the step function except on a compact set. A well-known result of Bramson in [Maximal displacement of branching Brownian motion, Comm. Pure Appl. Math.
Nolen, James   +2 more
openaire   +5 more sources

Long-Time Asymptotics for the Nonlocal MKdV Equation* [PDF]

open access: yesCommunications in Theoretical Physics, 2019
Abstract In this paper, we study the Cauchy problem with decaying initial data for the nonlocal modified Korteweg-de Vries equation (nonlocal mKdV) qt(x, t) + qxxx(x,t) −6q(x, t)q(−x, −t)qx (x, t) = 0, which can be viewed as a generalization of the local classical mKdV equation.
He, Feng-Jing, Fan, En-Gui, Xu, Jian
openaire   +3 more sources

Long-time Asymptotics for the Camassa–Holm Equation [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2009
We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Camassa-Holm equation for decaying initial data, completing previous results by A. Boutet de Monvel and D. Shepelsky.
Teschl, Gerald   +3 more
openaire   +2 more sources

Long‐time asymptotics for a coupled thermoelastic plate–membrane system [PDF]

open access: yesMathematical Methods in the Applied Sciences, 2021
In this paper, we consider a transmission problem for a system of a thermoelastic plate with (or without) rotational inertia term coupled with a membrane with different variants of damping for the plate and/or the membrane. We prove well‐posedness of the problem and higher regularity of the solution and study the asymptotic behavior of the solution ...
Bienvenido Barraza Martínez   +4 more
openaire   +4 more sources

Semidiscretization and Long-time Asymptotics of Nonlinear Diffusion Equations [PDF]

open access: yesCommunications in Mathematical Sciences, 2007
We review several results concerning the long time asymptotics of nonlinear diffusion models based on entropy and mass transport methods. Semidiscretization of these nonlinear diffusion models are proposed and their numerical properties analysed.
CARRILLO J. A   +2 more
openaire   +4 more sources

Stein variational gradient descent: Many-particle and long-time asymptotics

open access: yesFoundations of Data Science, 2023
Stein variational gradient descent (SVGD) refers to a class of methods for Bayesian inference based on interacting particle systems. In this paper, we consider the originally proposed deterministic dynamics as well as a stochastic variant, each of which represent one of the two main paradigms in Bayesian computational statistics: emphvariational ...
N��sken, Nikolas   +1 more
openaire   +3 more sources

ON THE LONG-TIME ASYMPTOTICS OF QUANTUM DYNAMICAL SEMIGROUPS [PDF]

open access: yesQuantum Probability and Related Topics, 2011
We consider semigroups $\{ _t: \; t\geq 0\}$ of normal, unital, completely positive maps $ _t$ on a von Neumann algebra ${\mathcal M}$. The (predual) semigroup $ _t ( ):= \circ _t$ on normal states $ $ of $\mathcal M$ leaves invariant the face ${\mathcal F}_p:= \{ : \; (p)=1\}$ supported by the projection $p\in {\mathcal M}$, if and only if
Raggio, Guido A., Zangara, Pablo R.
openaire   +2 more sources

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