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JOURNALS // Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta // Archive
1951, Issue 148
| General information | Contents |


Mathematics. Vol. IV


The development of interpretations of non-Euclidean geometry
V. F. Kagan 		3
A study of generalized interpretations of the plane geometry of Lobachevskii and its geodesic lines
D. P. Polozkov 		9
Some special questions relating to interpretations of the plane geometry of Lobachevskii
A. V. Yablonovskii, V. G. Yampol'skii 		15
The construction of a system of models of the elliptic plane in the Euclidean plane
N. A. Meller 		21
The geometry of adiabatic flow
S. S. Byushgens 		30
On the differentiability of the transition probabilities in stationary Markov processes with a denumberable number of states
A. N. Kolmogorov 		53
The distribution of fractional parts and convergence of functional series with gaps
A. O. Gel'fond 		60
Biorthogonal systems and bases in Hilbert space
N. K. Bari 		69
On Fourier series of continuous functions
D. E. Men'shov 		108
On some extremal problems of the theory of analytic functions
S. Ya. Havinson 		133
On stability according to Lyapunov of the equilibrium positions of a system of two differential equations in the case of discontinuous right hand sides
G. Solntzev 		144
On the continuous dependence upon a parameter of the spectrum of a symmetric linear integral operator
Yu. L. Rabinovich 		181
The decomposition of algebras into a semi-direct sum of a radical and a semi-simple subalgebra
V. M. Kurochkin 		192
On coverings of topological spaces
Yu. M. Smirnov 		204
On components of maximal bicompact extensions
P. S. Aleksandrov 		216
On the theory of dimension of topological spaces
I. V. Proskuryakov 		219
Remark on the work of N. K. Bari, “Biorthogonal systems and bases in Hilbert space”
I. M. Gel'fand 		224

© Steklov Math. Inst. of RAS, 2026