Odd-sunflowers
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Successive vertex orderings of fully regular graphs
L. Fang, H. Huang, J. Pach, G. Tardos, J. Zuo, Journal of Combinatorial Theory. Series A 199 (2023).

Non-trivially intersecting multi-part families
M.A. Kwan, B. Sudakov, P. Vieira, Journal of Combinatorial Theory Series A 156 (2018) 44–60.

A lower bound on the number of unit distances between the vertices of a convex polygon
H. Edelsbrunner, P. Hajnal, Journal of Combinatorial Theory Series A 56 (1991) 312–316.

On the maximal number of edges of many faces in an arrangement
H. Edelsbrunner, E. Welzl, Journal of Combinatorial Theory Series A 41 (1986) 159–166.

The number of extreme pairs of finite point-sets in Euclidean spaces
H. Edelsbrunner, G. Stöckl, Journal of Combinatorial Theory Series A 43 (1986) 344–349.

On the number of line separations of a finite set in the plane
H. Edelsbrunner, E. Welzl, Journal of Combinatorial Theory Series A 38 (1985) 15–29.