Linking disjoint axis-parallel segments into a simple polygon is hard too

Abstract

Deciding whether a family of disjoint axis-parallel line segments in the plane can be linked into a simple polygon (or a simple polygonal chain) by adding segments between their endpoints is NP-hard.

Strengthens the results in arXiv:2108.12812

References in corpus (1)

• Linking disjoint segments into a simple polygon is hard