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In this paper, we consider scalar stochastic differential equations (SDEs) with a superlinearly growing and piecewise continuous drift coefficient. Existence and uniqueness of strong solutions of such SDEs are obtained. Furthermore, the…

概率论 · 数学 2022-06-02 Huimin Hu , Siqing Gan

In this paper, we study a class of second order backward stochastic differential equations (2BSDEs) with quadratic growth in coefficients. We first establish solvability for such 2BSDEs and then give their applications to robust utility…

概率论 · 数学 2015-10-07 Yiqing Lin

This paper proves the existence and uniqueness of a solution to doubly reflected backward stochastic differential equations where the coefficient is stochastic Lipschitz, by means of the penalization method.

概率论 · 数学 2018-01-04 Mohamed Marzougue , Mohamed El Otmani

We prove existence, regularity in H\"older classes and estimates from above and below of the fundamental solution of the stochastic Langevin equation. This degenerate SPDE satisfies the weak H\"ormander condition. We use a Wentzell's…

概率论 · 数学 2019-10-14 Andrea Pascucci , Antonello Pesce

In this work, we study a class of non-autonomous two-time-scale stochastic reaction-diffusion equations driven by Poisson random measures, in which the coefficients satisfy the polynomial growth condition and local Lipschitz condition.…

概率论 · 数学 2020-09-15 Ruifang Wang , Yong Xu

In this paper we discuss Stochastic Differential-Algebraic Equations (SDAEs) and the asymptotic stability assessment for such systems via Lyapunov exponents (LEs). We focus on index-one SDAEs and their reformulation as ordinary stochastic…

This paper is devoted to the unique solvability of backward stochastic Volterra integral equations (BSVIEs for short), in terms of both M-solution introduced in [15] and the adapted solutions in [6], [11]. We prove the existence and…

概率论 · 数学 2009-12-15 Tianxiao Wang

This paper introduces a class of backward stochastic differential equations (BSDEs), whose coefficients not only depend on the value of its solutions of the present but also the past and the future. For a sufficiently small time delay or a…

概率论 · 数学 2019-02-26 Shiqiu Zheng , Gaofeng Zong

Complementing the analysis in [41], we investigate the well-posedness of SPDEs problems of doubly nonlinear type. These arise ubiquitously in the modelization of dissipative media and correspond to generalized balance laws between…

偏微分方程分析 · 数学 2020-09-18 Luca Scarpa , Ulisse Stefanelli

In [4], the existence of the solution is proved for a scalar linearly growing backward stochastic differential equation (BSDE) if the terminal value is $L\exp{\left(\mu \sqrt{2\log{(1+L)}}\,\right)}$-integrable with the positive parameter…

概率论 · 数学 2018-05-17 Rainer Buckdahn , Ying Hu , Shanjian Tang

It is frequently the case that a white-noise-driven parabolic and/or hyperbolic stochastic partial differential equation (SPDE) can have random-field solutions only in spatial dimension one. Here we show that in many cases, where the…

概率论 · 数学 2007-11-14 Mohammud Foondun , Davar Khoshnevisan , Eulalia Nualart

We consider backward stochastic differential equations with drivers of quadratic growth (qgBSDE). We prove several statements concerning path regularity and stochastic smoothness of the solution processes of the qgBSDE, in particular we…

概率论 · 数学 2010-04-14 Peter Imkeller , Goncalo dos Reis

We close an unexpected gap in the literature of stochastic differential equations (SDEs) with drifts of super linear growth (and random coefficients), namely, we prove Malliavin and Parametric Differentiability of such SDEs. The former is…

概率论 · 数学 2021-10-05 Peter Imkeller , Gonçalo dos Reis , William Salkeld

We consider the Vlasov--Poisson system both in the repulsive (electrostatic potential) and in the attractive (gravitational potential) cases. In our first main theorem, we prove the uniqueness and the quantitative stability of Lagrangian…

偏微分方程分析 · 数学 2023-06-02 Gianluca Crippa , Marco Inversi , Chiara Saffirio , Giorgio Stefani

In this paper, we prove that, if the coefficient f = f(t; y; z) of backward doubly stochastic differential equations (BDSDEs for short) is assumed to be continuous and linear growth in (y; z); then the uniqueness of solution and continuous…

概率论 · 数学 2010-05-17 Qingfeng Zhu , Yufeng Shi

We provide a probabilistic solution of a not necessarily Markovian control problem with a state constraint by means of a Backward Stochastic Differential Equation (BSDE). The novelty of our solution approach is that the BSDE possesses a…

最优化与控制 · 数学 2013-06-04 Stefan Ankirchner , Monique Jeanblanc , Thomas Kruse

In this paper, we consider the modified two-component Camassa-Holm System with multiplicative noise. For these SPDEs, we first establish the local existence and pathwise uniqueness of the pathwise solutions in Sobolev spaces $H^{s}\times…

概率论 · 数学 2023-01-11 Wujun Lv , Xing Huang

We study multidimensional discontinuous backward stochastic differential equations in a filtration that supports both a Brownian motion and an independent integer-valued random measure. Under suitable $\mathbb{L}^p$-integrability conditions…

概率论 · 数学 2025-02-04 Badr Elmansouri , Mohamed El Otmani

We prove uniqueness for the Vlasov-Poisson system in two and three dimensions under the condition that the $L^p$ norms of the macroscopic density growth at most linearly with respect to $p$. This allows for solutions with logarithmic…

偏微分方程分析 · 数学 2014-09-25 Evelyne Miot

We develop an optimal regularity theory for $L^p$-viscosity solutions of fully nonlinear uniformly elliptic equations in nondivergence form whose gradient growth is described through a Hamiltonian function with measurable and possibly…

偏微分方程分析 · 数学 2020-12-21 João Vitor da Silva , Gabrielle Nornberg