Chaos synchronization is an active research field. But the most offered methods for realizing chaos synchronization are confined in linear control methods.
混沌同步是很活跃的一个研究领域，但迄今为止提出的许多实现混沌同步的方法多限于线性控制方法。
2
Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.
有限域，有限群论，混沌理论，编码，数字水印，密码学。
3
Chaos and control of chaos are new theory and new research field of nonlinear dynamic system.