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JOURNALS // Trudy Instituta Matematiki i Mekhaniki UrO RAN // Archive

1996, Volume 4

| General information | Contents |


Trudy Instituta Matematiki i Mekhaniki UrO RAN


S. B. Stechkin and approximation theory
V. V. Arestov, V. I. Berdyshev, Yu. N. Subbotin, N. I. Chernykh
3

Algebra
Small interactions in the groups $\mathrm{GL}_3(q)$, $\mathrm{GU}_3(q)$, $\mathrm{PGL}_3(q)$, $\mathrm{GLU}_3(q)$
V. A. Belonogov
17
On the torsion of elliptic curves
V. A. Dem'yanenko
48
A generalization of algebraic systems
Yu. B. Melnikov
53
Block designs associated with normal subsets of finite groups
I. T. Mukhamet'yanov
71
Generalized soluble groups factorized by subgroups of finite special rank
N. S. Chernikov
83

Topology
On the sequential completeness of $C_p(X)$
N. V. Velichko
118
Local compactness of function spaces in the set-open topology
S. È. Nokhrin
124
Variants of the Tucker combinatorial lemma
Yu. A. Shashkin
127

Approximation theory
Approximation of some functions by splines from nonlinear sets
N. V. Baidakova
133
Minimizing nets and generalized best approximation elements
L. P. Vlasov
146
Chebyshev sets on manifolds
M. I. Karlov
157
On approximation of the differentiation operator over the class of twice differentiable functions in the space $L_2(0,\infty)$
A. L. Rublev
162
Approximative properties of interpolation splines generated by a disturbed operator
A. A. Sazanov
171

Mathematical theory of optimal control and differential games
Smooth approximation of convex compact sets
S. N. Avvakumov
184
On the problem of reconstructing the intensity of point sources from the results of sensor observations
B. G. Bukchin, B. V. Digas, V. I. Maksimov
201
On the reconstruction of the location and intensity of sources of disturbances
A. I. Korotkii
217
Upper and lower bounds on accuracy in the problem of the dynamic determination of parameters
A. I. Korotkii, I. A. Tsepelev
227
On an algorithm for solving an integral equation
V. L. Rozenberg
240
On the switching times of extremal controls in a linear time-optimality problem
E. N. Khailov
255
Finitely additive vector measures and the regularization questions in the problem about constructing of the sets of asymptotic attainability
A. G. Chentsov
266

Partial differential equation
On the asymptotics of the fundamental solution of some second order parabolic equation
E. F. Lelikova
296

Mathematical Programming
Duality for improper problems of Pareto and lexicographic linear optimization
I. I. Eremin
322
Two new schemes of application of the projection method to the problem of finding approximative roots of monotone operators
L. D. Popov
337
Some properties of labelled simple graphs
N. I. Potanin
345
A generalization of the principle of bounding solutions for systems of linear inequalities
A. N. Tyutin
368


© Steklov Math. Inst. of RAS, 2025