Geodesic

Tome 34 (2000) no. 4

Sommaire

Operator Ergodic Theorems for Actions of Free Semigroups and Groups
p. 1-17
Theta Function Solutions of the Schlesinger System and the Ernst Equation
p. 18-34
A Generalization of the Second Quantization Method to the Case of Special Tensor Products of Fock Spaces and Quantization of Free Energy
p. 35-48
Special Points of Surfaces in the Three-Dimensional Projective Space
p. 49-63
Lagrange Intersections in a Symplectic Space
p. 64-70
Conditions for the Similarity of All Minimal Passive Scattering Systems with Given Scattering Matrix
p. 71-74
One More Kind of the Classical Yang--Baxter Equation
p. 75-78
A Problem of Integral Geometry Related to a Triple of Grassmann Manifolds
p. 78-81
Holomorphic Functions of a Basis of a Nilpotent Lie Algebra
p. 82-84
The Negative Spectrum of a Class of Two-Dimensional Schr\"odinger Operators with Potentials Depending Only on Radius
p. 85-87
Completeness Theorems for Systems of Differential Equations
p. 88-90
When a Sum of Idempotents or Projections is a Multiple of the Identity
p. 91-93