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理学院2018-2019学年夏季第二周学术报告(8)


学 术 报 告


报告题目: Short memory fractional differential equations


报告学者: 吴国成研究员


报告者单位内江师范学院


报告时间2019年7月9日上午,8:30—9:30


报告地点思源东楼306会议室


摘要:The memory effects of several fractional derivatives are revisited. Then a concept of short memory fractional differential equation is proposed in this talk. New variable-order fractional chaotic systems are defined and chaos is numerically illustrated. Furthermore, this idea is extended to fractional chaotic maps. Variable-order image encryption is considered as one application. The result shows that the encryption speed and the encryption space are improved greatly in comparison with the standard fractional differential equations.


报告人简介:吴国成:内江师范学院金融研究所研究员。主要研究领域有分数阶DDE-PID控制,分数阶离散系统的混沌、稳定性及应用,分数阶离散变分法,信号处理。现任金融数学研究所所长。


主办教师:于永光

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