RUS  ENG
Full version
JOURNALS // Funktsional'nyi Analiz i ego Prilozheniya // Archive

1982, Volume 16, Issue 1


The complex exponent of a singularity does not change along strata $\mu=\mathrm{const}$
A. N. Varchenko
1
Manifolds of polynomials having a root of fixed multiplicity, and the generalized newton equation
A. B. Givental'
13
Rational solutions for the equation of commutation of differential operators
P. G. Grinevich
19
Spectral theory of commuting operators of rank two with periodic coefficients
S. P. Novikov, P. G. Grinevich
25
Real two-zone solutions of the sine-Gordon equation
B. A. Dubrovin, S. M. Natanzon
27
Singularities of the boundary of the stability domain
L. V. Levantovskii
44
A functional equation from theoretical physics
A. V. Yagzhev
49

Brief communications
Triangular representations of operators with unitary spectrum
N. I. Baranov, M. S. Brodskii
58
Interpolation of quasilinear operators and inequalities for entire functions in symmetric spaces
M. Z. Berkolaiko
60
Existence of surface conditions for nonclassical self-adjoint extensions of the Laplace operator
M. M. Gekhtman
62
One description of the self-dual solutions of the Einstein equation with a cosmological term
S. G. Gindikin
64
Fast decreasing functions and characters of real algebraic groups
V. A. Ginzburg
66
Almost-invariant properties of analytic operator families
Yu. P. Ginzburg
68
Spectrum, adjoining the real axis, in a problem of elasticity theory
A. M. Gomilko
70
Classification of evolution equations by conservation laws
O. V. Kaptsov
72
Description of regular extensions of Hermitian operators
S. A. Kuzhel, L. I. Rudenko
74
Irreducible representations of Lie superalgebras of vector fields and invariant differential operators
D. A. Leites
76
Null-geodesics of complex Einstein spaces
Yu. I. Manin, I. B. Penkov
78
Integration of the nonlinear two-dimensional spatial Schrodinger equation by the inverse-problem method
L. P. Nizhnik, M. D. Pochinaiko
80
Normal oscillations of a viscous liquid partly filling an elastic vessel
M. B. Orazov
83
A class of hardy-type spaces of operator-valued functions
V. S. Pilidi
85
Perfect elements of free modular lattices
A. A. Tsyl'ke
87
Quantum and classical lattices for two-dimensional principal Chiral fields
I. V. Cherednik
89
Transitivity of some operator spaces
V. S. Shulman
91


© Steklov Math. Inst. of RAS, 2025