Set Systems without a Strong Simplex. - Tao Jiang 003; Oleg Pikhurko; Zelealem B. Yilma (SIAM J. Discret. Math., 2010)

On the maximum number of edges in a hypergraph with a unique perfect matching. - Deepak Bal; Andrzej Dudek; Zelealem B. Yilma (Discret. Math., 2011)

The maximum number of K3-free and K4-free edge 4-colorings. - Oleg Pikhurko; Zelealem B. Yilma (J. Lond. Math. Soc., 2012)

Multiple Petersen Subdivisions in Permutation Graphs. - Tomás Kaiser; Jean-Sébastien Sereni; Zelealem B. Yilma (Electron. J. Comb., 2013)

A New Bound for the 2/3 Conjecture. - Daniel Král'; Chun-Hung Liu; Jean-Sébastien Sereni; Peter Whalen; Zelealem B. Yilma (Comb. Probab. Comput., 2013)

A tight bound on the set chromatic number. - Jean-Sébastien Sereni; Zelealem B. Yilma (Discuss. Math. Graph Theory, 2013)

Antimagic Properties of Graphs with Large Maximum Degree. - Zelealem B. Yilma (J. Graph Theory, 2013)

Closeness centralization measure for two-mode data of prescribed sizes. - Matjaz Krnc; Jean-Sébastien Sereni; Riste Skrekovski; Zelealem B. Yilma (Netw. Sci., 2016)

Supersaturation problem for color-critical graphs. - Oleg Pikhurko; Zelealem B. Yilma (J. Comb. Theory B, 2017)

Eccentricity of networks with structural constraints. - Matjaz Krnc; Jean-Sébastien Sereni; Riste Skrekovski; Zelealem B. Yilma (Discuss. Math. Graph Theory, 2020)

The Minimum Number of Spanning Trees in Regular Multigraphs. - Jakub Pekárek; Jean-Sébastien Sereni; Zelealem B. Yilma (Electron. J. Comb., 2022)

The Number of Spanning Trees in 4-Regular Simple Graphs. - Jean-Sébastien Sereni; Zelealem B. Yilma (Electron. J. Comb., 2024)