This paper focuses on optimal control of nonlinear stochastic delay system constructed through Teugels martingales associated with Lévy processes and standard Brownian motion,in which finite horizon is extended t...This paper focuses on optimal control of nonlinear stochastic delay system constructed through Teugels martingales associated with Lévy processes and standard Brownian motion,in which finite horizon is extended to infinite horizon.In order to describe the interacting many-body system,the expectation values of state processes are added to the concerned system.Further,sufficient and necessary conditions are established under convexity assumptions of the control domain.Finally,an example is given to demonstrate the application of the theory.展开更多
A new class of reflected backward stochastic differential equations (RBSDEs) driven by Teugels martingales associated with Lévy process and Countable Brownian Motions are investigated. Via approximation, the exis...A new class of reflected backward stochastic differential equations (RBSDEs) driven by Teugels martingales associated with Lévy process and Countable Brownian Motions are investigated. Via approximation, the existence and uniqueness of solution to this kind of RBSDEs are obtained.展开更多
This paper investigates a linear-quadratic mean-field stochastic optimal control problem under both positive definite case and indefinite case where the controlled systems are mean-field stochastic differential equati...This paper investigates a linear-quadratic mean-field stochastic optimal control problem under both positive definite case and indefinite case where the controlled systems are mean-field stochastic differential equations driven by a Brownian motion and Teugels mar-tingales associated with Lévy processes.In either case,we obtain the optimality system for the optimal controls in open-loop form,and by means of a decoupling technique,we obtain the optimal controls in closed-loop form which can be represented by two Riccati differen-tial equations.Moreover,the solvability of the optimality system and the Riccati equations are also obtained under both positive definite case and indefinite case.展开更多
本文讨论在金融中有重要应用价值的,由Lévy过程驱动的倒向双重随机微分方程: Y_t=ξ+∫_t^T f(s,Y_(s-),U_s,Z_s)ds+∫_t^T g(s,Y_(s-),U_s,Z_s)dB_s -∫_t^TU_sdW_s-sum for i=1 to ∞ Z_s^(i)dH_s^(i)在系数g满足Lipschitz条件,...本文讨论在金融中有重要应用价值的,由Lévy过程驱动的倒向双重随机微分方程: Y_t=ξ+∫_t^T f(s,Y_(s-),U_s,Z_s)ds+∫_t^T g(s,Y_(s-),U_s,Z_s)dB_s -∫_t^TU_sdW_s-sum for i=1 to ∞ Z_s^(i)dH_s^(i)在系数g满足Lipschitz条件,f满足推广的Bihari条件:|f(t,y_1,u_1,z_1)-f(t,y_2,u_2,z_2)|~2≤c(t)k(|y_1-y_2|~2)+K(|u_1-u_2|~2+||z_1-z_2||~2)时,利用推广It公式、Picard迭代法和区间延拓过程,证明了上述方程F_t适应解的存在唯一性,推广了其它文献以前的结论.展开更多
This paper is concerned with a class of mean-field type stochastic optimal control systems,which are governed by fully coupled mean-field forward-backward stochastic differential equations with Teugels martingales ass...This paper is concerned with a class of mean-field type stochastic optimal control systems,which are governed by fully coupled mean-field forward-backward stochastic differential equations with Teugels martingales associated to Lévy processes.In these systems,the coefficients contain not only the state processes but also their marginal distribution,and the cost function is of mean-field type as well.The necessary and sufficient conditions for such optimal problems are obtained.Furthermore,the applications to the linear quadratic stochastic optimization control problem are investigated.展开更多
A new class of generalized backward doubly stochastic differential equations （GBDSDEs in short） driven by Teugels martingales associated with Levy process are investigated. We establish a comparison theorem which al...A new class of generalized backward doubly stochastic differential equations （GBDSDEs in short） driven by Teugels martingales associated with Levy process are investigated. We establish a comparison theorem which allows us to derive an existence result of solutions under continuous and linear growth conditions.展开更多
基金supported by Science Engineering Research Board(SERB),DST,GovtYSS Project F.No:YSS/2014/000447 dated 20.11.2015UGC,New Delhi,for providing BSR fellowship for the year 2015.
文摘This paper focuses on optimal control of nonlinear stochastic delay system constructed through Teugels martingales associated with Lévy processes and standard Brownian motion,in which finite horizon is extended to infinite horizon.In order to describe the interacting many-body system,the expectation values of state processes are added to the concerned system.Further,sufficient and necessary conditions are established under convexity assumptions of the control domain.Finally,an example is given to demonstrate the application of the theory.
基金supported by the Natural Science Foundation of Anhui Province(1508085QA03)the Distinguished Young Scholars Foundation of Anhui Province(1608085J06)the National Natural Science Foundation of China(11501009,11371029)
基金Supported in part by NNSFC(10901003)the Research Project of Natural Science Foundation of Anhui Provincial University(KJZ010B345) the Grant for Youth of Anhui Normal University (2009XQN56)
基金Supported by the Key Science and Technology Project of Ministry of Education(207407) NSF of Anhui Educational Bureau(2006kj251B)the Special Project Grants of AnhuiNormal University (2006xzx08)
文摘A new class of reflected backward stochastic differential equations (RBSDEs) driven by Teugels martingales associated with Lévy process and Countable Brownian Motions are investigated. Via approximation, the existence and uniqueness of solution to this kind of RBSDEs are obtained.
基金supported by the Key Projects of Natural Science Foundation of Zhejiang Province of China(no.Z22A013952)the National Natural Science Foundation of China(no.11871121)supported by the Natural Science Foundation of Zhejiang Province of China(no.LY21A010001).
文摘This paper investigates a linear-quadratic mean-field stochastic optimal control problem under both positive definite case and indefinite case where the controlled systems are mean-field stochastic differential equations driven by a Brownian motion and Teugels mar-tingales associated with Lévy processes.In either case,we obtain the optimality system for the optimal controls in open-loop form,and by means of a decoupling technique,we obtain the optimal controls in closed-loop form which can be represented by two Riccati differen-tial equations.Moreover,the solvability of the optimality system and the Riccati equations are also obtained under both positive definite case and indefinite case.
文摘本文讨论在金融中有重要应用价值的,由Lévy过程驱动的倒向双重随机微分方程: Y_t=ξ+∫_t^T f(s,Y_(s-),U_s,Z_s)ds+∫_t^T g(s,Y_(s-),U_s,Z_s)dB_s -∫_t^TU_sdW_s-sum for i=1 to ∞ Z_s^(i)dH_s^(i)在系数g满足Lipschitz条件,f满足推广的Bihari条件:|f(t,y_1,u_1,z_1)-f(t,y_2,u_2,z_2)|~2≤c(t)k(|y_1-y_2|~2)+K(|u_1-u_2|~2+||z_1-z_2||~2)时,利用推广It公式、Picard迭代法和区间延拓过程,证明了上述方程F_t适应解的存在唯一性,推广了其它文献以前的结论.
基金supported by the Major Basic Research Program of Natural Science Foundation of Shandong Province under Grant No.2019A01the Natural Science Foundation of Shandong Province of China under Grant No.ZR2020MF062。
文摘This paper is concerned with a class of mean-field type stochastic optimal control systems,which are governed by fully coupled mean-field forward-backward stochastic differential equations with Teugels martingales associated to Lévy processes.In these systems,the coefficients contain not only the state processes but also their marginal distribution,and the cost function is of mean-field type as well.The necessary and sufficient conditions for such optimal problems are obtained.Furthermore,the applications to the linear quadratic stochastic optimization control problem are investigated.
基金supported by TWAS Research Grants to individuals (No. 09-100 RG/MATHS/AF/AC-IUNESCO FR: 3240230311)
文摘A new class of generalized backward doubly stochastic differential equations （GBDSDEs in short） driven by Teugels martingales associated with Levy process are investigated. We establish a comparison theorem which allows us to derive an existence result of solutions under continuous and linear growth conditions.
