with Diffusion Coefficient
(t) 
0+ as t +
Contents
Doklady Mathematics
Vol. 81, No. 2, 2010
A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Doklady Mathematics ISSN 1064-5624.
Translated from Doklady Akademii Nauk, Volume 431, Nos. 1–6, 2010
Volume 81, March–April.
Mathematics
Unitary Congruence Classes of 2-by-2 Complex Matrices
Kh. D. Ikramov p. 171 abstract
Upper Bounds on the Number of Limit Cycles in Generalized Liénard Equations of Odd Type
G. A. Kolyutsky p. 176 abstract
Sharpened Upper Bounds for the Absolute Constant in the Berry–Esseen Inequality
for Mixed Poisson Random Sums
V. Yu. Korolev and I. G. Shevtsova p. 180 abstract
A Representation of Solutions to a Three-Dimensional Nonmodel
Singular Partial Differential Equation
L. G. Mikhailov and A. Mukhsinov p. 183 abstract
On the Blow-up of Sign-Changing Solutions to Semilinear Parabolic Equations
S. I. Pohozaev p. 185 abstract
Inverse Scattering Problem for a Discrete Sturm–Liouville Operator on the Entire Line
Ag. Kh. Khanmamedov p. 188 abstract
On the Convergence of Biorthogonal Series Related to Odd-Order Differential Operators
with Nonsmooth Coefficients
S. V. Afonin and I. S. Lomov p. 190 abstract
Generalization of the Poisson–Jensen Formula
I. I. Bavrin p. 193 abstract
Trajectory Attractor for a System of Two Reaction-Diffusion Equations
with Diffusion Coefficient (t) 0+ as t +
M. I. Vishik and V. V. Chepyzhov p. 196 abstract
On Logarithmic Derivatives of Zeta Functions in Families of Global Fields
A. I. Zykin and P. Lebacque p. 201 abstract
Noncommutative Jordan Superalgebras of Degree n
2
A. P. Pozhidaev and I. P. Shestakov p. 204 abstract
Hamiltonian Feynman Integrals for Equations with the Vladimirov Operator
O. G. Smolyanov and N. N. Shamarov p. 209 abstract
On Singular Numbers of a Generalized Stieltjes Transformation
E. P. Ushakova p. 214 abstract
Recognizability of the Finite Simple Groups by Spectrum and Order
A. V. Vasil’ev, M. A. Grechkoseeva, and V. D. Mazurov p. 216 abstract
Metric Theory of Functional Solutions of the Cauchy Problem
for a System of Conservation Laws
V. A. Galkin p.219 abstract
On Graphs in Which the Neighborhoods of Vertices
Are Pseudogeometric Graphs for pGs–2(s, t)
A. K. Gutnova and A. A. Makhnev p. 222 abstract
Parabolic Lemmas on Compensated Compactness and Their Applications
V. V. Zhikov and S. E. Pastukhova p. 227 abstract
Jacobians among Abelian Threefolds: A Formula of Klein and a Question of Serre
A. I. Zykin, G. Lachaud, and C. Ritzenthaler p. 233 abstract
Synthesis of Two-Dimensional Quadratic Systems with a Limit Cycle Satisfying
Prescribed Initial Conditions
G. A. Leonov p. 236 abstract
The Inverse Diffraction Problem for Acoustic Equations
V. G. Romanov p. 238 abstract
The Unknown Boundary Problem for Singular Integral Equations
D. S. Anikonov p. 241 abstract
Matrix Quasi-Elliptic Operators in 
n
G. V. Demidenko p. 244 abstract
Four Limit Cycles in Quadratic Two-Dimensional Systems
with a Perturbed First-Order Weak Focus
G. A. Leonov p. 248 abstract
On Graphs in Which Each 
-Subgraph Is a Pentagon
A. A. Makhnev and D. V. Paduchikh p. 251 abstract
Completeness of a System of Elementary Solutions to a Class
of Operator-Differential Equations on a Finite Interval
S. S. Mirzoev and R. Z. Gumbataliev p. 255 abstract
Nonlocal Elliptic Operators for Compact Lie Groups
A. Yu. Savin and B. Yu. Sternin p. 258 abstract
Nonsmooth Differential Calculus
S. N. Samborskii p. 262 abstract
Lack of Maximal Asymptotics for Linear Differential Equations in Banach Spaces
G. M. Sklyar p. 265 abstract
On Strongly Regular Graphs with Eigenvalue 2 and Their Extensions
V. V. Kabanov, A. A. Makhnev, and D. V. Paduchikh p. 268 abstract
Integral Functionals with p(x)- and p(x, u)-Growth
M. A. Sychev p. 272 abstract
Vector Integrals: The Fubini and Prokhorov Theorems
A. V. Uglanov p. 274 abstract
Small Deviation Theorem for Division Codes
V. P. Filimonov p. 278 abstract
Selection Principles for Maps of Several Variables
V. V. Chistyakov and Yu. V. Tretyachenko p. 282 abstract
Lower Bounds in the Combinatorial Problem of Erdös and Lovász
D. A. Shabanov p. 286 abstract
Parameters of Semilinear Higman Graphs
I. N. Belousov and A. A. Makhnev p.289 abstract
Asymptotics of Kolmogorov’s 
-Entropy for Some Classes
of Infinitely Differentiable Periodic Functions (Babenko’s Problem)
V. N. Belykh p. 293 abstract
Left-Invariant Riemannian Metrics on Four-Dimensional Unimodular Lie Groups
with Zero-Divergence Weyl Tensor
O. P. Gladunova and V. V. Slavskii p. 298 abstract
Simple Linear-Algebraic Justification of Specht’s Theorem
Kh. D. Ikramov p. 301 abstract
On Zeros of Hecke L-Functions and Their Linear Combinations on the Critical Line
I. S. Rezvyakova p. 303 abstract
Bounded Algebraic Systems and Universal Functions
A. N. Khisamiev p. 309 abstract
Mathematical Physics
Quasi-Gasdynamic System of Equations with General Equations of State
A. A. Zlotnik p. 312 abstract
Computer Science
Method “MASKA” for Group Expert Classification of Multi-Attribute Objects
A. B. Petrovsky p. 317 abstract
Control Theory
Asymptotically Suboptimal Robust Control of a Discrete-Time Plant
under Unknown Weights of Perturbations
V. F. Sokolov p. 322 abstract
Localization of Invariant Compact Sets of Discrete Systems
A. N. Kanatnikov, S. K. Korovin, and A. P. Krishchenko p. 326 abstract
Admissible Feedback Control Design for the System 
= f (x, u)
with an x-Discontinuous Right-Hand Side
V. I. Korobov and E. V. Korotyaeva p. 329 abstract
A New Method for Finding the Weight Index in WV Schemes
V. S. Levchenkov p.332 abstract
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