Multiranks for Partitions into Multi-Colors. - Roberta Rui Zhou (Electron. J. Comb., 2012)

Note on the f-vectors of cutsets in the subspace lattice. - Hong Feng; Roberta Rui Zhou (Discret. Math., 2013)

Rank and Crank Analogs for some Colored Partitions. - Roberta Rui Zhou; Wenlong Zhang (Electron. J. Comb., 2015)

Identities on Extended Catalan Numbers and Their q-Analogs. - Roberta Rui Zhou; Wenchang Chu (Graphs Comb., 2016)

A Note on Combinatorial Proofs for Extended Touchard's and Extended Koshy's Identities. - Roberta Rui Zhou; Kun Yan; Yihui He; Xinxin Xu (Graphs Comb., 2020)

Jacobian elliptic functions and a family of bivariate peak polynomials. - Shi-Mei Ma; Jun Ma 017; Yeong-Nan Yeh; Roberta Rui Zhou (Eur. J. Comb., 2021)

Context-Free Grammars for Several Triangular Arrays. - Roberta Rui Zhou; Jean Yeh; Fuquan Ren (Axioms, 2022)