Huagui Duan

activity

20072026

most citedMultiple closed geodesics on bumpy Finsler

n

-spheres

48 citations · 92 across the 20 of their papers we have counts for

collaborators

Showing 2026Show all

4 papers · 1 filter

math.DS2026

The second closed geodesic on Finsler manifolds with $Z_{2}$ fundamental group

Huagui Duan, Hui Liu, Wei Wang

Let $(M, F)$ be a compact bumpy Finsler manifold with $π_{1} (M) = Z_{2}$ , we prove that there exist at least two distinct non-contractible closed geodesics on $(M, F)$ .

math.SG2026

Stability of closed characteristics and invariant sets on star-shaped hypersurfaces

Huagui Duan, Zihao Qi

This paper focuses on the stability of a closed characteristic and invariant sets on compact star shaped hypersurfaces in $R^{2 n}$ with finitely many simple closed characteri…

math.AP2026

$L^{2}$ -Supercritical Nonlinear Klein-Gordon System with Quadratic Asymmetric Interaction

Xiaojing Dong, Huagui Duan, Zaihui Gan +1

In this paper we investigate the global existence, blow-up and standing waves for the $L^{2}$ -supercritical nonlinear Klein-Gordon equations with quadratic asymmetric interaction (…

math.SG2026

Closed Reeb orbits on contact type hypersurfaces in $T^{*} S^{n}$

Huagui Duan, Zihao Qi

In this paper, it is proved that under dynamically convex condition, there exist at least $[\frac{n + 1}{2}]$ closed Reeb orbits on a closed contact type hypersurface in $T^{*} S^{n}$ enc…

The second closed geodesic on Finsler manifolds with Z2​ fundamental group

Stability of closed characteristics and invariant sets on star-shaped hypersurfaces

L2-Supercritical Nonlinear Klein-Gordon System with Quadratic Asymmetric Interaction

Closed Reeb orbits on contact type hypersurfaces in T∗Sn

The second closed geodesic on Finsler manifolds with $Z_{2}$ fundamental group

$L^{2}$ -Supercritical Nonlinear Klein-Gordon System with Quadratic Asymmetric Interaction

Closed Reeb orbits on contact type hypersurfaces in $T^{*} S^{n}$