38 citations · 74 across the 3 of their papers we have counts for
3 papers
math.ST2008★ 1 cited
Estimating a monotone trend
Ou Zhao, Michael Woodroofe
Motivated by global warming issues, we consider a time se- ries that consists of a nondecreasing trend observed with station- ary fluctuations, nonparametric estimation of the tren…
math.PR2007★ 38 cited
On martingale approximations
Ou Zhao, Michael Woodroofe
Consider additive functionals of a Markov chain , with stationary (marginal) distribution and transition function denoted by and , say , where $g…
math.PR2006★ 35 cited
Law of the iterated logarithm for stationary processes
Ou Zhao, Michael Woodroofe
There has been recent interest in the conditional central limit question for (strictly) stationary, ergodic processes whose partial sums …