Liping Yuan

activity

20122026

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math.CO2026

On the m-point convexity

Wenzhi Liu, Wei Wang, Liping Yuan +1

Let $S \subset R^{d}$ $(d \geq 2)$ . A set $S$ is said to be $m$ -point convex, if for every $m$ distinct points in $S$ , at least one of the line-segments determined by them lie…

math.CO2026

The orthogonal connectedness of polyhedral surfaces

Julia Q. Du, Xuemei He, Xiaotian Song +3

Using the orthogonal connectedness, we introduce the notion of orthogonal decomposability of convex polytopes and study it in the case of Platonic and Archimedean solids. While doi…