11 citations · 14 across the 3 of their papers we have counts for
Showing math.SGShow all
2 papers · 1 filter
math.SG2025
On the common index jump theorem and further developments
Huagui Duan, Yiming Long, Wei Wang +1
In [LZ02] published in Annals of Mathematics, Long and Zhu established originally the common index jump theorem (CIJT) for symplectic paths in 2002, which has played an important r…
math.SG2015★ 3 cited
Non-hyperbolic closed characteristics on non-degenerate star-shaped hypersurfaces in
Huagui Duan, Hui Liu, Yiming Long +1
In this paper, we prove that for every index perfect non-degenerate compact star-shaped hypersurface , there exist at least non-hyperbolic closed characte…