Sommaire

Möbius-invariant metrics and generalized angles in Ptolemaic spaces.
p. 243
Extrapolation functors on a family of scales generated by the real interpolation method.
p. 264
Symmetries of factor systems.
p. 290
On the semiproportional character conjecture.
p. 299
On recognition of all finite nonabelian simple groups with orders having prime divisors at most 13.
p. 315
Some exact estimates of weak solutions to a mixed boundary value problem for nonlinear equations in domains with nonsmooth boundary.
p. 325
One-dimensional motion of balls.
p. 332
Some properties of prime near-rings with -derivation.
p. 345
The diametral dimension of the spaces of Whitney jets on sequences of points.
p. 352
Spectra of rings and lattices.
p. 361
On error estimates in the Galerkin method for hyperbolic equations.
p. 374
On differences of Riesz homomorphisms.
p. 390
Fractional derivatives of Bloch type functions.
p. 394
On a characterization theorem on finite Abelian groups.
p. 403
On the noncommuting graph associated with a finite group.
p. 416
A generalization of the Hille--Yosida theorem to the case of degenerate semigroups in locally convex spaces.
p. 426
Theoretical analysis of a model of the thermal boundary layer with drag.
p. 449
Cofinitely semiperfect modules.
p. 460
The equation in partially commutative groups.
p. 466