期刊
CHAOS SOLITONS & FRACTALS
卷 119, 期 -, 页码 171-179出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2019.01.002
关键词
Logic gate; Logical stochastic resonance; Genetic toggle system; Levy noise
资金
- National Natural Science Foundation of China [11602003, 11572231, 11771018]
This paper aims to investigate the different logic gates and its transformation in a genetic toggle system under square wave signal and Levy noise. The logical information transmission of the repressive protein concentrations of the genetic toggle system are studied. The logic gates NOR/OR for the repressive protein concentration are explored by the logic relationships. Also, the transformation from the logic gates NOR/OR to logic gates NAND/AND is explored through the adjustment of system parameters and Levy noise parameters. What's more, the logic latch gates NSGN/SNG are also explored for the information storage. According to the obtained logic gates NOR/OR and NAND/AND and the logic latch gates NSGN/SNG of the repressive protein concentration, the two-dimensional logical success probability of the logical information transmission concerning the pairwise parameters of stability index, skewness parameter and noise intensity of Levy noise are analyzed respectively. The effects of those Levy noise parameters on the logical information transmission for the obtained logic gates are analyzed. In addition, the logical stochastic resonance is studied in the genetic toggle system. It is found that Levy noise with the certain intensity can greatly induce logical stochastic resonance, and optimally promote the logical information transmission for the realized logic gates of NOR/OR and NAND/AND and the logic latch gates NSGN/SNG. (C) 2019 Elsevier Ltd. All rights reserved.
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