5. Parabolic isometries of visible CAT(0) spaces and metrics on moduli space Preprint (pdf)
4. Iteration of mapping classes and
limits of Weil-Petersson geodesics Preprint(pdf)
3. Riemannian
sectional curvature
operator of Weil-Petersson metric on Teichmuller space and its application Submitted (pdf)
2. Translation lengths of
parabolic isometries of CAT(0) spaces and their applications
Submitted (pdf)
1. On the geometry of
spheres and positive curvature
(with M. Wu). Houston
Journal of Mathematics 35(2009), no.1, 39-48 (pdf)