Results 21 to 30 of about 2,197 (78)

HIGH ORDER PARACONTROLLED CALCULUS

open access: yesForum of Mathematics, Sigma, 2019
We develop in this work a general version of paracontrolled calculus that allows to treat analytically within this paradigm a whole class of singular partial differential equations with the same efficiency as regularity structures.
ISMAËL BAILLEUL, FRÉDÉRIC BERNICOT
doaj   +1 more source

A PATCHWORK QUILT SEWN FROM BROWNIAN FABRIC: REGULARITY OF POLYMER WEIGHT PROFILES IN BROWNIAN LAST PASSAGE PERCOLATION

open access: yesForum of Mathematics, Pi, 2019
In last passage percolation models lying in the Kardar–Parisi–Zhang (KPZ) universality class, the energy of long energy-maximizing paths may be studied as a function of the paths’ pair of endpoint locations.
ALAN HAMMOND
doaj   +1 more source

Exact solutions of the stochastic new coupled Konno-Oono equation

open access: yesResults in Physics, 2021
In this paper we consider the stochastic Konno-Oono equation, which is forced by multiplicative noise. In order to find exact solutions of stochastic nonlinear Konno-Oono equations, generalized G′G-expansion method are implemented.
Wael W. Mohammed   +3 more
doaj  

The exact solutions of the stochastic Ginzburg–Landau equation

open access: yesResults in Physics, 2021
The main goal of this paper is to obtain the exact solutions of the stochastic real-valued Ginzburg–Landau equation, which is forced by multiplicative noise in the Itô sense.
Wael W. Mohammed   +5 more
doaj  

On the Cauchy problem of a degenerate parabolic-hyperbolic PDE with Lévy noise

open access: yesAdvances in Nonlinear Analysis, 2017
In this article, we deal with the stochastic perturbation of degenerate parabolic partial differential equations (PDEs). The particular emphasis is on analyzing the effects of a multiplicative Lévy noise on such problems and on establishing a well ...
Biswas Imran H.   +2 more
doaj   +1 more source

Stochastic stability and instability of rumor model

open access: yesOpen Mathematics
In this study, we present a stochastic rumor model. The stability of the disease-free equilibrium state and instability of the free equilibrium E0{E}_{0} of stochastic epidemics model are considered with the help of Lyapunov functions.
Zhang Jing, Wang Xinyao, Wang Xiaohuan
doaj   +1 more source

Maximal regularity for stochastic convolutions driven by Levy noise [PDF]

open access: yesarXiv, 2007
We show that the result from Da Prato and Lunardi is valid for stochastic convolutions driven by L\'evy processes.
arxiv  

Itô's formula for the $L_{p}$-norm of stochastic $W^{1}_{p}$-valued processes [PDF]

open access: yesarXiv, 2008
We prove It\^o's formula for the $L_{p}$-norm of a stochastic $W^{1}_{p}$-valued processes appearing in the theory of SPDEs in divergence form.
arxiv  

The stochastic reflection problem with multiplicative noise [PDF]

open access: yesarXiv, 2011
This work is concerned with existence and uniqueness of solutions to the reflection problem for linear parabolic equation with multiplicative Gaussian noise.
arxiv  

Internal stabilization of the Oseen-Stokes equations by Stratonovich noise [PDF]

open access: yesarXiv, 2011
One designs an internal Stratonovich noise feedback controller which exponentially stabilizes the staedy state solutions to Oseen-Stokes equations.
arxiv  

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