Geodesic
Asymptotical mean-square stability of split-step θ methods for stochastic pantograph differential equations under fully-geometric mesh
Filomat, Tome 35 (2021) no. 15, p. 5303

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The paper deals with the numerical asymptotical mean-square stability of split-step θ methods for stochastic pantograph differential equations, which is the generalization of deterministic pantograph equations. Instead of the quasi-geometric mesh, a fully-geometric mesh, widely used for deterministic problems, is employed. A useful technique, the limiting equation, for deterministic problems is also extended to stochastic problems based on Kronecker product. Under the exact stability condition, the stability region of the split-step θ methods is discussed, which is an improvement of some existing results. Moreover, such technique is also available to stochastic pantograph differential equations with Poisson jumps. Meanwhile, compared with the destabilization of Wiener process, the stabilization of Poisson jumps is replicated by numerical processes. Finally, numerical examples are given to illustrate that our numerical stability condition is nearly necessary for stochastic problems
DOI : 10.2298/FIL2115303Y
Classification : 60H10, 65L03, 65C30
Keywords: Stochastic pantograph differential equations, Split-step θmethods, Poisson jumps, Asymptotical mean-square stability, Fully-geometric mesh 
Xiaochen Yang; Yu Xiao; Zhanwen Yang; Chiping Zhang. Asymptotical mean-square stability of split-step θ methods for stochastic pantograph differential equations under fully-geometric mesh. Filomat, Tome 35 (2021) no. 15, p. 5303 . doi: 10.2298/FIL2115303Y
@article{10_2298_FIL2115303Y,
     author = {Xiaochen Yang and Yu Xiao and Zhanwen Yang and Chiping Zhang},
     title = {Asymptotical mean-square stability of split-step \ensuremath{\theta} methods for stochastic pantograph differential equations under fully-geometric mesh},
     journal = {Filomat},
     pages = {5303 },
     year = {2021},
     volume = {35},
     number = {15},
     doi = {10.2298/FIL2115303Y},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2115303Y/}
}
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