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Brass et al.'s conjecture on the Hadwiger number of star-shaped Jordan regions
Let $C\subset\mathbb{R}^{2}$ be a star-shaped Jordan region, meaning a bounded planar set homeomorphic to the unit disk and containing a point $x$ such that every segment joining…
Conjectureopengeometric-combinatorics hadwiger-number jordan-regionsarXiv posted 2 days ago

Brass et al.'s conjecture on the Hadwiger number of star-shaped Jordan regions