Geodesic

Volume 25 (1991) no. 3

Sommaire

Morse lemma for functionals of variational calculus
p. 1-11
Monodromy of the image of the mapping $\mathbb{C}^2\to\mathbb{C}^3$
p. 12-18
Simple proof of Macdonald's identities for the series A
p. 19-23
Deformation quantization and asymptotic operator representation
p. 24-36
Differential geometry of nonlocal Hamiltonian operators of hydrodynamic type
p. 37-49
New proof of Sinai's formula for the entropy of hyperbolic billiard systems. Application to Lorentz gases and Bunimovich stadiums
p. 50-69
Wandering solutions of Euler's $D-2$ equation
p. 70-71
Diagonalization of systems, elliptic in the Douglis--Nirenberg sense, on manifolds with boundary
p. 71-73
Geometry of five-dimensional complexes of two-dimensional planes in projective space
p. 73-76
Rationality of singularities and the Gorenstein property for nilpotent orbits
p. 76-78
Point spectrum of singular nonselfadjoint differential operators
p. 78-80
Finite dimensionality of $\operatorname{Ext}^n$'s and $\operatorname{Tor}_n$'s of simple modules over one class of algebras
p. 80-82
Solution of infinite Toda chains
p. 82-84
Irreducible unitary representations of the group $\operatorname{Diff}(S^2,\omega)$ of functional dimension two
p. 85-88
Polynomial first integrals of Hamiltonian systems with exponential interaction
p. 88-89
Spectral theory of one-dimensional Schr\"odinger operators with strongly fluctuating potentials
p. 89-92
Sufficient conditions of non-almost-periodicity for the solutions of S. L. Sobolev's equations
p. 92-94