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// Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz
// Archive
1985, Issue 5
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Contents
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Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz
A connection between random and fuzzy metrics
A. M. Bikchentaev
3
Approximate numbers of linear operators and optimization of approximate methods for solving functional equations
B. G. Gabdulkhaev
15
Order-optimal quadrature formulas for a singular integral
A. F. Galimyanov
27
Conditions for univalence of the solution of inverse boundary value problems in the case of an infinite unknown contour
P. M. Zinov'ev, F. F. Maier
31
On the cone of positive elements in the space
$L_1$
with respect to a weight on a von Neumann algebra
A. A. Zolotarev
40
A polynomial method for solving systems of singular integral equations
V. P. Kadushin
43
Interval quadrature formulas of Gauss type
A. L. Kuz'mina
51
Stability of interpolation-quadrature processes
A. L. Kuz'mina
56
Subordination in certain classes of analytic functions and the univalent solvability of inverse boundary value problems
F. F. Maier
61
Sharp estimates for harmonic functions and their derivatives in the disc
I. R. Nezhmetdinov
72
Locally finite weights on von Neumann algebras, and quadratic forms
N. V. Trunov
80
Conditional expectations in von Neumann algebras
N. V. Trunov, A. N. Sherstnev
94
Continuability of solutions of certain classes of nonlinear singular integral equations with shift
R. Sh. Khusnutdinov
102
A theorem on representation of real commutative Banach algebras
A. N. Sherstnev
112
©
Steklov Math. Inst. of RAS
, 2025
