One dimensional BSDEs with logarithmic growth application to PDEs

被引:10
|
作者
Bahlali, Khaled [1 ]
Kebiri, Omar [2 ]
Khelfallah, Nabil [3 ]
Moussaoui, Hadjer [1 ]
机构
[1] UTLN, UFR Sci, EA 2134, IMATH, La Garde, France
[2] Univ Abou Bekr Belkaid Tlemcen, Lab Stat & Random Modeling, Tilimsen, Algeria
[3] Univ Mohamed Khider, Lab Appl Math, Biskra, Algeria
关键词
Backward stochastic differential equations; viscosity solution; semilinear PDEs; logarithmic growth; logarithmic nonlinearity; STOCHASTIC DIFFERENTIAL-EQUATIONS; UNIQUENESS; EXISTENCE; HOMOGENIZATION; STABILITY;
D O I
10.1080/17442508.2017.1311900
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We establish the existence and uniqueness of solutions to one dimensional BSDEs with generator allowing a logarithmic growth (vertical bar y parallel to ln vertical bar y parallel to + vertical bar z vertical bar root vertical bar ln vertical bar z parallel to) in the state variables y and z. This is done with an Lp - integrable terminal value, for some p > 2. As byproduct, we obtain the existence of viscosity solutions to PDEs with logarithmic nonlinearities.
引用
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页码:1061 / 1081
页数:21
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