Geodesic

Volume (1964) no. 3

Sommaire

On the sum of series which do not converge absolutely
p. 3-6
On ultraproducts of topological algebras
p. 7-16
Differential properties of the solution of a mixed problem for a strongly degenerate hyperbolic equation
p. 17-27
Families of linear elements which are bent by completely geodesic families
p. 28-35
On the definition of a dynamic limit point in general dynamical systems
p. 36-38
Criteria for boundedness of solutions of systems of ordinary differential equations
p. 39-42
On the theory of the Laval nozzle with weak discontinuities
p. 43-50
Integral summability methods which are absolutely translative for bounded functions
p. 51-58
A local limit theorem for density functions
p. 59-69
Determination of the number of solutions of a homogeneous bilinear system $(2,\,m)$
p. 70-74
Singular integrals similar to the Weierstrass integral and a~summability method for Fourier series related to them
p. 75-83
On the semigroup of a~multiplicative commutative regular semigroup.
p. 84-87
Some problems in the theory of approximating solutions of differential-operator equations in Hilbert space
p. 88-92
The Gibbs phenomenon in the general theory of singular integrals
p. 93-99
On the theory of Borel summability of series.~II
p. 100-110
Qualitative behaviour of the trajectories of a system of difference equations in the neighborhood of singularity
p. 111-115
Questions concerning the qualitative study of the solutions of equations with ``maxima''
p. 116-119
On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$
p. 120-122
On the Lyapunov theorem for sums of weakly dependent random variables
p. 123-130
Theorems of Tauberian type for $(C_\theta^{(\alpha)},\lambda)$-methods of summing series
p. 131-135
Some linear partial differential equations in dual and bicomplex algebras
p. 136-142
Positive matrix invertibility and the method of monotone approximations
p. 143-150
Sharpening of an interpolation theorem in the class of functions analytic in a half-plane
p. 151-155
Inverse problems in additive number theory.~VIII. On a conjecture of P.~Erd\H os
p. 156-169
The homogeneity of diffusion process of a special type and its construction in the Gaussian case
p. 170-183
On the structure of non-rigid closed edged surfaces of revolution
p. 184-187