2 papers
math-ph2013
Saari's Conjecture and Variational Minimal Solutions for -Body Problems
Yu Xiang, Zhang Shiqing
In this paper, we will prove Saari's conjecture in a particular case by using a arithmetic fact, and then, apply it to prove that for any given positive masses, the variational min…
math.CA2011
Twisted Angles for Central Configurations Formed By Two Twisted Regular Polygons
Yu Xiang, Zhang Shiqing
In this paper, we study the necessary conditions and sufficient conditions for the twisted angles of the central configurations formed by two twisted regular polygons, specially, w…