The number of rooted simple bipartite maps on the sphere. - Shude Long; Junliang Cai (Ars Comb., 2012)

Enumeration of boundary cubic inner-forest maps. - Shude Long; Junliang Cai (Ars Comb., 2013)

Enumeration of rooted loopless unicursal planar maps. - Shude Long; Junliang Cai (Ars Comb., 2014)

Counting 2-Connected 4-Regular Maps on the Projective Plane. - Shude Long; Han Ren (Electron. J. Comb., 2014)

Enumeration of a class of rooted planar unicyclic maps. - Shude Long; Junliang Cai (Ars Comb., 2016)

Counting rooted nonseparable unicursal planar maps. - Shude Long (Ars Comb., 2017)

The decycling number and maximum genus of cubic graphs. - Shude Long; Han Ren (J. Graph Theory, 2018)

4-edge-connected 4-regular maps on the projective plane. - Shude Long; Han Ren (Ars Math. Contemp., 2020)

Distributions of Near-4-Regular Maps on the Sphere and the Projective Plane. - Shude Long; Han Ren (Graphs Comb., 2021)

Mean Color Numbers of Some Graphs. - Shude Long; Han Ren (Graphs Comb., 2022)

Upper Bounds on the Chromatic Polynomial of a Connected Graph with Fixed Clique Number. - Shude Long; Han Ren (Graphs Comb., 2023)

Independence Number and Maximal Chromatic Polynomials of Connected Graphs. - Shude Long; Junliang Cai (Graphs Comb., 2024)

Enumeration of rooted biloopless nonseparable planar near-triangulations. - Shude Long; Junliang Cai (Ars Comb., 2025)