Almost Periodic Functions on Time Scales and Applications
Author(s) -
Yongkun Li,
Chao Wang
Publication year - 2011
Publication title -
discrete dynamics in nature and society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.264
H-Index - 39
eISSN - 1607-887X
pISSN - 1026-0226
DOI - 10.1155/2011/727068
Subject(s) - periodic function , mathematics , class (philosophy) , almost periodic function , period (music) , stability (learning theory) , differential equation , periodic sequence , time scale calculus , variable (mathematics) , mathematical analysis , computer science , physics , artificial intelligence , machine learning , acoustics , multivariable calculus , control engineering , engineering
We first propose the concept of almost periodic time scales and thengive the definition of almost periodic functions on almost periodic time scales, then byusing the theory of calculus on time scales and some mathematical methods, some basicresults about almost periodic differential equations on almost periodic time scales areestablished. Based on these results, a class of high-order Hopfield neural networks withvariable delays are studied on almost periodic time scales, and some sufficient conditionsare established for the existence and global asymptotic stability of the almost periodicsolution. Finally, two examples and numerical simulations are presented to illustratethe feasibility and effectiveness of the results
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