Some Global Properties of Plane Curves
Some Global Theorems on Non-Complete Surfaces
Some Moebius-geometric theorems connected to Euclidean kinematics.
Some Natural Constructions on Vector Fields and Higher Order Cotangent Bundles.
Some natural operators on vector fields
We determine all natural operators transforming vector fields on a manifold to vector fields on , , and all natural operators transforming vector fields on to functions on , . We describe some relations between these two kinds of natural operators.
Some new conformal covariants.
Some recent developments in the theory of properly embedded minimal surfaces in
Some remarkable properties of -graphs.
Some remarks on -webs of complex surfaces, and a problem posed by D. Cerveau. (Quelques remarques sur les -webs des surfaces complexes et un problème proposé par D. Cerveau.)
Some remarks on duality in
In this paper we review some of the concepts and results of V. I. Arnol’d [1] for curves in and extend them to curves and surfaces in .
Some remarks on positive scalar and Gauss-Kronecker curvature hypersurfaces of and
We consider graphs of positive scalar or Gauss-Kronecker curvature over a punctured disk in Euclidean and hyperbolic -dimensional space and we obtain removable singularities theorems.
Some remarks on surfaces in the 4-dimensional Euclidean space
Some remarks on the Kozlowski-Simon conjecture for affine ovaloids
In this note, we are concerned with the Kozlowski-Simon conjecture on ovaloids and prove that it is correct under additional conditions.
Some remarks on vector analysis.
Some representations of affine conformal transformations of Minkowski space.
Some Results on Finiteness in Plateau's Problem, Part I.
Some Results on Finiteness in Plateau's Problem, Part II.
Some results on projectively flat affine surfaces
We focus our attention on projectively flat affine surfaces. First, we classify the affine surfaces with projectively flat induced connection and constant Pick invariant. We also investigate the compact case and study how the geometry at the boundary determines the geometry of the surface.
Some theorems on compact conformally symmetric Riemannian spaces
Some trigonometric relations in the Lorentzian plane