Holes or Empty Pseudo-Triangles in Planar Point Sets
Bhaswar B. Bhattacharya,
Sandip Das
Abstract:Let E(k, ℓ) denote the smallest integer such that any set of at least E(k, ℓ) points in the plane, no three on a line, contains either an empty convex polygon with k vertices or an empty pseudo-triangle with ℓ vertices. The existence of E(k, ℓ) for positive integers k, ℓ ≥ 3, is the consequence of a result proved by Valtr [
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