A formula for the bivariate map asymptotics constants in terms of the univariate map asymptotics constants. Gao, Zhicheng — 2010 The Electronic Journal of Combinatorics [electronic only]
Asymptotic enumeration of labelled graphs by genus. Bender, Edward A.; Gao, Zhicheng — 2011 The Electronic Journal of Combinatorics [electronic only]
Counting words by number of occurrences of some patterns. Gao, Zhicheng; MacFie, Andrew; Panario, Daniel — 2011 The Electronic Journal of Combinatorics [electronic only]
The number of labeled 2-connected planar graphs. Bender, Edward A.; Gao, Zhicheng; Wormald, Nicholas C. — 2002 The Electronic Journal of Combinatorics [electronic only]
The map asymptotics constant t g . Bender, Edward A.; Gao, Zhicheng; Richmond, L.Bruce — 2008 The Electronic Journal of Combinatorics [electronic only]
Asymptotics of some convolutional recurrences. Bender, Edward A.; Olde Daalhuis, Adri B.; Gao, Zhicheng; Richmond, L.Bruce; Wormald, Nicholas — 2010 The Electronic Journal of Combinatorics [electronic only]