Geodesic

Tome 21 (1987) no. 3

Sommaire

Multiplicity of the spectrum of Toeplitz operators, weighted cocycles and the vector Riemann problem
p. 1-10
Extremal cocycles of Weyl groups
p. 11-21
Hamiltonian perturbations of infinite-dimensional linear systems with an imaginary spectrum
p. 22-37
Characteristic classes of structures on manifolds
p. 38-52
Hamiltonian differential operators and contact geometry
p. 53-60
Cobordisms of Lagrangian immersions in the space of the cotangent bundle of a~manifold
p. 61-64
A theorem on the structure of wave fronts and its applications in symplectic topology
p. 65-72
Completeness of left-invariant metrics on Lie groups
p. 73-74
A $C^*$-algebra generated by almost-periodic two-dimensional singular operators with discontinuous symbols
p. 75-76
Bordism theory and homotopy properties of supermanifolds
p. 77-78
Trace and determinant in algebras associated with the Yang--Baxter equation
p. 79-80
A criterion for instability of systems of linear equations
p. 81-82
Supersymmetric elliptic curves
p. 83-84
Irreducible finite-dimensional representations of lie superalgebras $gl(n,1)$ in the Gel'fand--Tsetlin basis
p. 85-86
Complex zeros of an elliptic integral
p. 87-88
Determinantal varieties and symmetric polynomials
p. 89-90
Distribution of the values of holomorphic mappings of $\mathbb{C}^m$ into a~Banach space
p. 91-92
Representations of an exceptional Jordan superalgebra
p. 93-94