ZHANG, Ruda February 25, 2021:  More on analytic function, chaos, time series models, applications of PLoM; refs on measure theory. [10130df]
ZHANG, Ruda February 24, 2019:  Replace superscript * to ∗ [d60bd7f]
ZHANG, Ruda December 30, 2018:  Use dollar style math markup. [1b7036c]
ZHANG, Ruda March 23, 2018:  Global remove trailing whitespaces [2b7ff90]
Ruda Zhang June 29, 2017:  Lyapunov stability [0b70645]
Ruda Zhang April 28, 2017:  New translation for Logistic map [29e7a13]
Ruda Zhang July 05, 2016:  Rename Chinese title to English. [26be649]