1 citations · 1 across the 5 of their papers we have counts for
5 papers
Geometric Approach to Light Rings in Axially Symmetric Spacetimes
Chenkai Qiao, Ming Li, Donghui Xie +1
Circular photon orbits have become an attractive topic in recent years. They play extremely important roles in black hole shadows, gravitational lensings, quasi-normal modes, and s…
Four closed characteristics on compact star-shaped hypersurfaces in
Huagui Duan, Dong Xie
In this paper, we proved that for every non-degenerate compact star-shaped hypersurface in which carries no prime closed characteristic of Maslov-type in…
On the minimal number of closed geodesics on positively curved Finsler spheres
Huagui Duan, Dong Xie
In this paper, we proved that for every Finsler metric on with reversibility and flag curvature satisfying an…
Multiplicity and stability of closed geodesics on positively curved Finsler -spheres
Huagui Duan, Dong Xie
In this paper, we prove that for every Finsler -dimensional sphere with reversibility and flag curvature satisfying $\frac{25}{9}\left(\fracλ{1+λ}\right)^2<K\l…
Multiplicity of closed geodesics on bumpy Finsler manifolds with elliptic closed geodesics
Huagui Duan, Dong Xie
Let be a compact simply connected manifold satisfying for integers and . If all prime closed geodesics on with an…