On Interior regularity and Liouville's theorem for harmonic mappings.
On isometries of the symmetric space P₁(3,ℝ)
We classify the isometries in the non-identity component of the whole isometry group of the symmetric space of positive 3 × 3 matrices of determinant 1: we determine the translation lengths, minimal spaces and fixed points at infinity.
On isospectral deformations of riemannian metrics
On isospectral deformations of riemannian metrics. II
On isotropic tensors
On manifolds of positive Ricci curvature with large diameter.
On minimal hypersurfaces of nonnegatively Ricci curved manifolds.
On nonisometric isospectral connected fractal domains.
A fundamental question raised by M. Kac in 1966 is: Must two isospectral planar domains necessarily be isometric? Following a long history of investigation C. Gordon, D. L. Webb and S. Wolpert in 1992 finally proved that the answer is no. By using the idea of transposition maps one can construct a wide class of planar domains with piecewise continuous boundaries which are isospectral but non-isometric. In this note we study the Kac question in relation to domains with fractal boundaries and by following...
On nonlinear connections in higher order Lagrange spaces.
On normal forms of Laplacian and its iterations in harmonic spaces
On pinched manifolds with fundamental group
On Probalistic Commutative Spaces.
On pseudo Ricci-symmetric manifolds.
On radius, systole, and positive Ricci curvature.
On recurrent spaces of first order
On Riemannian 3-manifolds with distinct constant Ricci eigenvalues.
On Riemannian manifolds with ...-maximal diameter and bounded curvature.
On scalar and total scalar curvatures of Riemann-Cartan manifolds
On Sectional Curvature of Indefinite Metrics.
On Sectional Curvature of Indefinite Metrics, II.