On 4-manifolds with free fundamental group.
On a volume element of a Hitchin component
Let Σ be a closed oriented Riemann surface of genus at least 2. By using symplectic chain complex, we construct a volume element for a Hitchin component of Hom(π₁(Σ),PSLₙ(ℝ))/PSLₙ(ℝ) for n > 2.
On Invariants of Hirzebruch and Cheeger-Gromov.
On manifolds with finitely generated homotopy groups.
On Polytopes Cut by Flats.
On the geometric topology of locally linear actions of finite groups
On the Orbit Structures of SU (n)-Actions on Manifolds of the Type of Euclidean, Spherical or Projective Spaces.
On the Reidemeister torsion of rational homology spheres.
Open books and h-cobordisms.