Surfaces minimales non orientables de genre quelconque
Surfaces of characteristic curvature
Surfaces of Constant Curvature and Geometric Interpretations of the Klein-gordon, Sine-gordon and Sinh-gordon Equations
Surfaces of constant Gauβ curvature and of arbitrary genus
Surfaces of constant mean curvature c in H3 (-c2) with prescribed hyperbolic Gauss map.
Surfaces of Constant Mean Curvature Which Have a Simple Projection.
Surfaces of minimal area enclosing a given body in
Surfaces of Prescribed Mean Curvature with Inequalities on the Boundary.
Surfaces of Revolution in the 3-Dimensional Lorentz-Minkowski space E(^3_1) satisfying Δ^111_r=A_r
Surfaces of revolution in the Heisenberg group and the spectral generalization of the Willmore functional.
Surfaces which contain many circles
We survey the results on surfaces which contain many circles. First, we give two analyses of shapes which always look round. Then we introduce the Blum conjecture: “A closed surface in E³ which contains seven circles through each point is a sphere”, and give some partial affirmative results toward the conjecture. Moreover, we study some surfaces which contain many circles through each point, for example, cyclides.
Surfaces with non-zero normal curvature tensor
Studiamo la topologia differenziale e la geometria delle superfici compatte con curvatura normale non-nulla in spazio della curvatura costante.
Surfaces with Parallel Normalized Mean Curvature Vector.
Surfaces with parallel second fundamental form in Bianchi-Cartan-Vranceanu spaces
We give a complete classification of surfaces with parallel second fundamental form in 3-dimensional Bianchi-Cartan-Vranceanu spaces.
Surfaces with prescribed Weingarten operator
We investigate pairs of surfaces in Euclidean 3-space with the same Weingarten operator in case that one surface is given as surface of revolution. Our local and global results complement global results on ovaloids of revolution from S-V-W-W.
Sutured Heegaard diagrams for knots.
Symbolic dynamics and geodesic flows
Symétrisation d'inéquations élliptiques et applications géométriques.
Symmetric algebras and Yang-Baxter equation
Let be an open subset of the complex plane, and let denote a finite-dimensional complex simple Lie algebra. A. A. Belavin and V. G. Drinfel’d investigated non-degenerate meromorphic functions from into which are solutions of the classical Yang-Baxter equation [Funct. Anal. Appl. 16, 159-180 (1983; Zbl 0504.22016)]. They found that (up to equivalence) the solutions depend only on the difference of the two variables and that their set of poles forms a discrete (additive) subgroup of the...
Symmetric curvature-like tensors on a semi-definite Kähler manifolds.