Yanxun Chang

activity

20172026

most citedParallel multilevel constructions for constant dimension codes

2 citations · 4 across the 6 of their papers we have counts for

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3 papers · 1 filter

math.MG2026

Parallel covering a rhombus with equilateral triangles

Jingjing Wang, Yanxun Chang

Suppose that $R^{α}$ is a rhombus with side length $1$ and with an interior angle $α$ , where $0 < α \leq \frac{π}{2}$ . Let $△$ be an equilateral triangle with a side parallel to…

math.MG2022

Several problems on reduced spherical polygons of thickness less than π/2

Cen Liu, Yanxun Chang

The present paper aims to solve some problems proposed by Lassak about the reduced spherical polygons. The main result is to show that the regular spherical n-gon has the minimal p…

math.MG2020

The area of reduced spherical polygons

Cen Liu, Yanxun Chang, Zhanjun Su

We confirm two conjectures of Lassak on the area of reduced spherical polygons. The area of every reduced spherical non-regular $n$ -gon is less than that of the regular spherical $…