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This paper investigates $L^{1}$ solutions for mean-field backward stochastic differential equations (MFBSDEs) under different weak assumptions in both one-dimensional and multi-dimensional settings, whose generator $f(\omega,t,y,z,\mu)$…

概率论 · 数学 2025-10-14 Weimin Jiang , Juan Li , Yan Shen

The present paper is devoted to investigating the existence and uniqueness of solutions to a class of non-Lipschitz scalar valued backward stochastic differential equations driven by $G$-Brownian motion ($G$-BSDEs). In fact, when the…

概率论 · 数学 2020-12-03 Falei Wang , Guoqiang Zheng

We establish a general existence and uniqueness of integrable adapted solutions to scalar backward stochastic differential equations with integrable parameters, where the generator $g$ has an iterated-logarithmic uniform continuity in the…

概率论 · 数学 2023-07-24 Shengjun Fan , Ying Hu , Shanjian Tang

In this paper, we study continuous properties of adapted solutions for backward stochastic differential equations with constraints (CBSDEs in short). Comparing with many existing literatures about this topic, our case is very general in the…

概率论 · 数学 2014-11-11 Helin Wu , Yong Ren , Feng Hu

In this paper, we deal with a new type of differential equations called anticipated backward doubly stochastic differential equations (anticipated BDSDEs). The coefficients of these BDSDEs depend on the future value of the solution $(Y,…

概率论 · 数学 2013-07-10 Xiaoming Xu

A Backward Stochastic Differential Equation (BSDE) with a Peano-type generator, is known to have infinitely many solutions when the terminal value is vanishing, and is shown to have possibly multiple solutions even when the terminal value…

概率论 · 数学 2025-10-27 Shengjun Fan , Ying Hu , Shanjian Tang

We improve the theorem on continuous dependence of solutions of functional differential equations (see J. Hale, Functional differential equations, theorem 5.1), using some new results on continuous convergences. Namely, we prove this…

泛函分析 · 数学 2017-03-30 E. Athanasiadou , C. Papachristodoulos

The present paper is devoted to the study of the well-posedness of a type of BSDEs with triangularly quadratic generators. This work is motivated by the recent results obtained by Hu and Tang [14] and Xing and \v{Z}itkovi\'{c} [28]. By the…

概率论 · 数学 2019-04-29 Peng Luo

In this paper, by introducing a new notion of envelope of the stochastic process, we construct a family of random differential equations whose solutions can be viewed as solutions of a family of ordinary differential equations and prove…

概率论 · 数学 2015-08-28 Min Li , Yufeng Shi

We establish near-optimal quantitative uniqueness of continuation for solutions of evolution equations vanishing on the lateral boundary. These results were obtained simply by combining existing observability inequalities and energy…

偏微分方程分析 · 数学 2024-03-15 Mourad Choulli

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

In this paper, we obtain the local-in-time existence and uniqueness of solution to the Degasperis-Procesi equation in $B^1_{\infty,1}(\R)$. Moreover, we prove that the data-to-solution of this equation is continuous but not uniformly…

偏微分方程分析 · 数学 2021-05-19 Jinlu Li , Yanghai Yu , Weipeng Zhu

We investigate a class of quadratic backward stochastic differential equations (BSDEs) with generators singular in $ y $. First, we establish the existence of solutions and a comparison theorem, thereby extending results in the literature.…

概率论 · 数学 2025-03-17 Wenbo Wang , Guangyan Jia

We give a complete characterization of all eternal solutions $b(x,t)$ of the KPZ fixed point satisfying the asymptotic slope condition $\lim_{|x| \to \infty} \frac{b(x,0)}{x} = 2\xi$. For fixed $\xi$, there is exactly one eternal solution…

概率论 · 数学 2025-07-16 Sudeshna Bhattacharjee , Ofer Busani , Evan Sorensen

In this paper we study one dimensional backward stochastic differential equations (BSDEs) with random terminal time not necessarily bounded or finite when the generator F(t,Y,Z) has a quadratic growth in Z. We provide existence and…

概率论 · 数学 2013-10-21 Philippe Briand , Fulvia Confortola

This paper extends the results of Ma, Wu, Zhang, Zhang [11] to the context of path-dependent multidimensional forward-backward stochastic differential equations (FBSDE). By path-dependent we mean that the coefficients of the…

概率论 · 数学 2022-01-14 Kaitong Hu , Zhenjie Ren , Nizar Touzi

The continuous dependence of solutions to certain (non-autonomous, partial, integro-differential-algebraic, evolutionary) equations on the coefficients is addressed. We give criteria that guarantee that convergence of the coefficients in…

泛函分析 · 数学 2016-01-21 Marcus Waurick

In this paper we prove some uniqueness results for quadratic backward stochastic differential equations without any convexity assumptions on the generator. The bounded case is revisited while some new results are obtained in the unbounded…

概率论 · 数学 2020-08-26 Philippe Briand , Adrien Richou

We prove unique continuation properties for linear variable coefficient Schr\"odinger equations with bounded real potentials. Under certain smallness conditions on the leading coefficients, we prove that solutions decaying faster than any…

偏微分方程分析 · 数学 2025-01-27 Serena Federico , Zongyuan Li , Xueying Yu

We prove the existence and uniqueness of a strong solution for an SDE on a semi-axis with singularities at the point 0. The result obtained yields, for example, the strong uniqueness of non-negative solutions to SDEs governing Bessel…

概率论 · 数学 2012-08-31 Olga V. Aryasova , Andrey Yu. Pilipenko