Geodesic

Tome 18 (1972) no. 1

Sommaire

Approximation properties of finite-dimensional subspaces in~$L_1$
p. 1-14
Positive solutions of linear quasielliptic evolution equations
p. 15-44
Pseudodifferential operators on a~class of noncompact manifolds
p. 45-59
On~a~problem concerning the deformation of a~surface with a~flat point
p. 61-81
The nonembeddability of complete $q$-metrics of negative curvature in a~class of weakly nonregular surfaces
p. 83-92
A~freedom theorem for groups with one defining relation in the varieties of solvable and nilpotent groups of given lengths
p. 93-99
Rings with a~free semigroup of invertible ideals
p. 101-110
Invariant subspaces of the shift operator in weighted Hilbert space
p. 111-138
The exact asymptotic behavior of the best approximation by algebraic and trigonometric polynomials in the Hausdorff metric
p. 139-149
A local condition of single-valuedness of analytic functions
p. 151-167