- Misha Rudnev:
Note on the Number of Hinges Defined by a Point Set in ℝ2. Comb. 40(5): 749-757 (2020) - Karthik C. S.
, Pasin Manurangsi:
On Closest Pair in Euclidean Metric: Monochromatic is as Hard as Bichromatic. Comb. 40(4): 539-573 (2020) - Paul D. Seymour
, Sophie Spirkl
:
Short Directed Cycles in Bipartite Digraphs. Comb. 40(4): 575-599 (2020) - Alexander F. Sidorenko:
Weakly Norming Graphs are Edge-Transitive. Comb. 40(4): 601-604 (2020) - Yufei Zhao, Yunkun Zhou:
Impartial Digraphs. Comb. 40(6): 875-896 (2020)