Geodesic

Tome 9 (1987)

Sommaire

On the 75th birthday of Academician A. D. Aleksandrov
p. 3-15
A theorem on the congruence of the angles of a triangle for a class of Riemannian manifolds
p. 16-25
Closed curves that are trigonometric polynomials in the arc length
p. 25-34
Traces of functions in generalized Sobolev spaces with a mixed norm on an arbitrary coordinate subspace. II
p. 34-41
On a quadrangle of spectral sequences
p. 41-59
A variant of the bifurcation of a fourfold equilibrium state with two zero eigenvalues
p. 60-66
Structures that can be generated by sets of morphisms
p. 66-84
Linear operators in lattice-normed spaces
p. 84-123
Infinitesimals and the calculus of tangents
p. 123-135
Almost regular polyhedra
p. 136-141
Closed convex hypersurfaces with given conditional curvature
p. 142-149
Classes of differential forms that are invariant under quasiconformal mappings
p. 149-151
“Almost” cone-preserving mappings
p. 151-153
Closed convex surfaces in a pseudo-Euclidean space
p. 154-159
Uniformly summable semigroups of operators. II. Perturbation of semigroups
p. 159-182
Conformally flat metrics of bounded curvature on an $n$-dimensional sphere
p. 183-199