Geodesic

Tome 19 (1985) no. 2

Sommaire

Normal form of a differential equation, not solvable for the derivative, in a neighborhood of a singular point
p. 1-10
Construction of higher-dimensional nonlinear integrable systems and of their solutions
p. 11-25
Elliptic domains of general families of homogeneous polynomials and extreme functions
p. 26-36
Hankel operators in the perturbation theory of unitary and self-adjoint operators
p. 37-51
Additive $K$-theory and crystalline cohomology
p. 52-62
Stable interpolation functors
p. 63-64
A characteristic property of simple Lie algebras
p. 65-66
A spectral asymptotics of an elliptic operator in a bounded domain
p. 67-69
Direct sum of integration operators
p. 70-71
Polyhedra in the scheme space and the canonical basis in irreducible representations of $\mathfrak{gl}_3$
p. 72-75
Preserved extreme points
p. 76-77
Normal forms of the degrees of a volume form
p. 78-79
Asymptotics of the spectra of degenerate elliptic systems in unbounded regions
p. 80-81
An analog of Nelson's theorem
p. 82-83
A problem on the Steinberg conjecture
A description of Poisson brackets on a space of nonlocal functionals
p. 85-87
Blaschke manifolds of the projective plane type
p. 88-89
Bisingular characteristic operators with discontinuous coefficients in the space $L_2(\mathbf R_2)$
p. 90-91
Zeros of integrals along trajectories of ergodic systems
p. 92-93
Counterexamples to a conjecture of Rokhlin
p. 94-95