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Shirokov Nikolai Alekseevich

Publications in Math-Net.Ru

  1. Polynomial approximation in the mean on segments

    Algebra i Analiz, 36:5 (2024),  163–172
  2. Constructive description of Hölder spaces on a chord arc curve in $\mathbb R^3$

    Algebra i Analiz, 36:1 (2024),  40–59
  3. Approximation by double periodic functions in the class $C^r_A$

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 11:3 (2024),  508–516
  4. Inverse theorem of approximation by entire functions of exponential type

    Zap. Nauchn. Sem. POMI, 537 (2024),  104–115
  5. Approximation by polynomials composed of Weierstrass doubly periodic functions

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 10:1 (2023),  61–72
  6. Polynomial approximation by doubly periodic Weierstrass functions on disjoint segments in the $L^P$ metric

    Zap. Nauchn. Sem. POMI, 527 (2023),  242–255
  7. Ahlfors-type theorem for Hausdorff measures

    Zap. Nauchn. Sem. POMI, 527 (2023),  221–241
  8. B. Ya. Levin function for some sets of segments

    Zap. Nauchn. Sem. POMI, 527 (2023),  183–203
  9. Hölder classes in the $L^p$ norm on a chord-arc curve in $\mathbb R^3$

    Algebra i Analiz, 34:4 (2022),  1–21
  10. Conformal maps of a region that is geometrically close to a disk

    Zap. Nauchn. Sem. POMI, 512 (2022),  116–147
  11. Nevanlinna factorization in weighted classes of analytic functions of variable smoothness

    Izv. RAN. Ser. Mat., 85:3 (2021),  261–283
  12. Approximation by entire functions on a countable set of continua. The inverse theorem

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 8:4 (2021),  600–607
  13. Polynomial approximations in a convex domain in $\mathbb C^n$ with the exponential decaying inside

    Zap. Nauchn. Sem. POMI, 503 (2021),  154–171
  14. Inner factors of analytic functions of variable smoothness in the closed disk

    Algebra i Analiz, 32:5 (2020),  145–181
  15. Approximation by entire functions on a countable set of continuums

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 7:3 (2020),  481–489
  16. Constructive description of function classes on surfaces in $\mathbb{R}^3$ and $\mathbb{R}^4$

    Probl. Anal. Issues Anal., 8(26):3 (2019),  16–23
  17. Outer functions in classes of analytic functions of variable smoothness

    Zap. Nauchn. Sem. POMI, 480 (2019),  206–213
  18. About sharpness of the estimate in a theorem concerning half smoothness of a function holomorphic in a ball

    Zap. Nauchn. Sem. POMI, 467 (2018),  244–254
  19. A note about approximation by trigonometric polynomials

    Zap. Nauchn. Sem. POMI, 467 (2018),  238–243
  20. Interpolation in a Bernstein space by means of approximation

    Zap. Nauchn. Sem. POMI, 467 (2018),  215–237
  21. Smoothness of a holomorphic function and its modulus on the boundary of a polydisk

    Zap. Nauchn. Sem. POMI, 456 (2017),  172–176
  22. Means of the power $-2$ of derivatives in the class $S$

    Algebra i Analiz, 28:6 (2016),  189–207
  23. Smoothness of a holomorphic function in a ball and smoothness of its modulus on the sphere

    Zap. Nauchn. Sem. POMI, 447 (2016),  123–128
  24. Smoothness of a conformal mapping on a subset of the boundary

    Algebra i Analiz, 27:5 (2015),  195–206
  25. Sufficient condition for Hölder smoothness of a function

    Algebra i Analiz, 25:3 (2013),  200–206
  26. A series of operators in $L^2(\mathbb C)$ proportional to unitary ones

    Zap. Nauchn. Sem. POMI, 416 (2013),  188–201
  27. Keldysh–Lavrentiev counterexample and means of powers of conformal mapping. 1. Construction of a mapping

    Zap. Nauchn. Sem. POMI, 389 (2011),  252–256
  28. Approximation by entire functions on subsets of a ray

    Zap. Nauchn. Sem. POMI, 337 (2006),  233–237
  29. Uniform polynomial approximations on convex domains in $\mathbb C^n$

    Zap. Nauchn. Sem. POMI, 333 (2006),  98–112
  30. On the decay rate of $(p,A)$-lacunary series

    Zap. Nauchn. Sem. POMI, 327 (2005),  135–149
  31. Remark about the maximum of the modulus of an analytic function on the boundary

    Zap. Nauchn. Sem. POMI, 315 (2004),  149–154
  32. A converse approximation theorem on subsets of elliptic curves

    Zap. Nauchn. Sem. POMI, 314 (2004),  257–271
  33. Zero-sets for $H^\infty$-functions on hyperplanes in $\mathbb B^n$

    Zap. Nauchn. Sem. POMI, 303 (2003),  272–278
  34. Polynomial approximations on closed subsets of elliptic curves

    Zap. Nauchn. Sem. POMI, 302 (2003),  178–187
  35. Inverse approximation theorem on an infinite union of segments

    Zap. Nauchn. Sem. POMI, 290 (2002),  168–176
  36. Hölder classes in Lavrent'ev domians

    Zap. Nauchn. Sem. POMI, 282 (2001),  256–275
  37. An example of a fast decaying $(p,A)$-lacunary function

    Zap. Nauchn. Sem. POMI, 270 (2000),  350–363
  38. Polynomial approximation in the $L^p$-metric on disjoint segments

    Zap. Nauchn. Sem. POMI, 270 (2000),  175–200
  39. On an extremal problem in the Wiener algebra

    Algebra i Analiz, 11:6 (1999),  122–138
  40. A class of functions on a disjoint collection of segments

    Zap. Nauchn. Sem. POMI, 262 (1999),  172–184
  41. Approximation of functions belonging to the Hölder class on a half-axis

    Zap. Nauchn. Sem. POMI, 262 (1999),  127–137
  42. Interpolation in a neighborhood of a cusp point

    Algebra i Analiz, 10:4 (1998),  142–176
  43. Approximation by polynomials on compacta with infinitely connected complement

    Algebra i Analiz, 10:1 (1998),  248–264
  44. A variational formula for Bergman kernels

    Zap. Nauchn. Sem. POMI, 255 (1998),  221–243
  45. Constructive descriptions of classes of functions with the help of polynomial approximations. II

    Zap. Nauchn. Sem. POMI, 254 (1998),  235–243
  46. Constructive descriptions of classes of functions with the help of polynomial approximations. I

    Zap. Nauchn. Sem. POMI, 254 (1998),  207–234
  47. Concerning an analog of the Stolz angle for the unit ball in $\mathbb C^n$

    Zap. Nauchn. Sem. POMI, 247 (1997),  276–297
  48. Inner functions in O. V. Besov's analytic classes

    Algebra i Analiz, 8:4 (1996),  193–221
  49. Approximation on limit compacta of Kleinian groups

    Zap. Nauchn. Sem. POMI, 232 (1996),  199–212
  50. Estimates of the Bergman kernel for some pseudoconvex domains

    Zap. Nauchn. Sem. POMI, 222 (1995),  222–245
  51. Polynomial $D$-approximations that exponentially decrease strictly inside a continuum

    Algebra i Analiz, 6:6 (1994),  154–184
  52. Approximation in the sense of V. K. Dzyadyk on compacta with an infinitely connected complement

    Dokl. Akad. Nauk, 335:6 (1994),  700–701
  53. Outer functions from the analytic О. V. Besov classes

    Zap. Nauchn. Sem. POMI, 217 (1994),  172–217
  54. A direct theorem for strictly convex domains in $\mathbb C^n$

    Zap. Nauchn. Sem. POMI, 206 (1993),  151–173
  55. Approximation on the limit continuous of a degenerate Kleinian group

    Zap. Nauchn. Sem. POMI, 206 (1993),  137–150
  56. One a type of automorphic forms

    Zap. Nauchn. Sem. POMI, 201 (1992),  177–189
  57. Some consequences of the Lindelöf conjecture

    Zap. Nauchn. Sem. POMI, 201 (1992),  164–176
  58. The Bergman kernel near the diagonal for domains close to ellipsoids

    Zap. Nauchn. Sem. LOMI, 190 (1991),  163–172
  59. Fuchsian groups with carleson limit sets

    Funktsional. Anal. i Prilozhen., 24:4 (1990),  92–93
  60. A constructive description of Hölder classes on unbounded continua in $\mathbf{C}$

    Dokl. Akad. Nauk SSSR, 299:6 (1988),  1332–1336
  61. She quantitative version of the Kado theorem

    Zap. Nauchn. Sem. LOMI, 157 (1987),  103–112
  62. The Jackson–Bernstein theorem in strictly pseudoconvex domains in $\mathbf{C}^n$

    Dokl. Akad. Nauk SSSR, 287:1 (1986),  66–69
  63. A note on Puchsian groups

    Zap. Nauchn. Sem. LOMI, 149 (1986),  181–185
  64. A note on a theorem of V. V. Andrievskii

    Zap. Nauchn. Sem. LOMI, 149 (1986),  177–180
  65. Traces of functions from $H^{\infty}(\mathbb B^n)$ on certain sets of hyperplanes

    Zap. Nauchn. Sem. LOMI, 141 (1985),  183–191
  66. A constructive description of Hölder classes on closed Jordan curves

    Zap. Nauchn. Sem. LOMI, 141 (1985),  72–99
  67. The Jackson–Bernstein theorem and strictly convex domains in $\mathbf{C}^n$

    Dokl. Akad. Nauk SSSR, 276:5 (1984),  1079–1081
  68. On a theorem of A. G. Vitushkin

    Zap. Nauchn. Sem. LOMI, 135 (1984),  178–181
  69. Properties of the moduli of analytic functions that are smooth up to the boundary

    Dokl. Akad. Nauk SSSR, 269:6 (1983),  1320–1323
  70. Division by an inner function does not change the class of smoothness

    Dokl. Akad. Nauk SSSR, 268:4 (1983),  821–823
  71. The Hevanlinna factorization in some classes of analytical functions

    Zap. Nauchn. Sem. LOMI, 126 (1983),  205–207
  72. Closed ideals of algebras of type $B_{p,q}^\alpha$

    Izv. Akad. Nauk SSSR Ser. Mat., 46:6 (1982),  1316–1332
  73. Some properties of weakly lacunary power series

    Uspekhi Mat. Nauk, 37:2(224) (1982),  249–250
  74. Free interpolation in the spaces $ C^A_{r,\omega}$

    Mat. Sb. (N.S.), 117(159):3 (1982),  337–358
  75. Zero sets for functions from $\Lambda_\omega$

    Zap. Nauchn. Sem. LOMI, 107 (1982),  178–188
  76. Modulus of boundary values of analytic functions of class $\Lambda^n_\omega$

    Zap. Nauchn. Sem. LOMI, 113 (1981),  258–260
  77. Sets of zeros of analytic functions from the space $B_{p,1}^{1/p}$ are carlesonian

    Zap. Nauchn. Sem. LOMI, 113 (1981),  253–257
  78. Standard ideals of algebra $H_n^1$

    Funktsional. Anal. i Prilozhen., 13:1 (1979),  86–87
  79. A constructive description of spaces of functions analytic in a multiconnected domain and continuous in its closure

    Zap. Nauchn. Sem. LOMI, 92 (1979),  314–316
  80. A remark concerning a problem of S. M. Nikolskii

    Zap. Nauchn. Sem. LOMI, 92 (1979),  312–313
  81. Approximative properties of a continuum

    Zap. Nauchn. Sem. LOMI, 92 (1979),  241–252
  82. Ideals and factorization in algebras of analytic functions that are smooth up to the boundary

    Trudy Mat. Inst. Steklov., 130 (1978),  196–222
  83. 5.11. On the traces of $H^\infty(\mathbb B^N)$ functions on the hyperplanes

    Zap. Nauchn. Sem. LOMI, 81 (1978),  264–265
  84. Approximate entropy of continua

    Dokl. Akad. Nauk SSSR, 235:3 (1977),  546–549
  85. Approximation of continuous analytic functions in domains with bounded boundary rotation

    Dokl. Akad. Nauk SSSR, 228:4 (1976),  809–812
  86. Uniform approximation of analytic functions by polynomials in domains of bounded boundary rotation without zero angles

    Zap. Nauchn. Sem. LOMI, 65 (1976),  199–202
  87. Some embedding theorem for spaces of harmonic functions

    Zap. Nauchn. Sem. LOMI, 56 (1976),  191–194
  88. On a constructive characterization of analytic continuous functions in close-to-convex domains

    Dokl. Akad. Nauk SSSR, 221:4 (1975),  790–793
  89. On weighted approximations on closed sets with corners

    Dokl. Akad. Nauk SSSR, 214:2 (1974),  295–297
  90. On a generalization of Ahlfors' theorem

    Zap. Nauchn. Sem. LOMI, 44 (1974),  179–185
  91. A rejmark to a theorem of V. P. Gurarii

    Zap. Nauchn. Sem. LOMI, 39 (1974),  196–197
  92. Borne generalization of the Littlewood Paley theorem

    Zap. Nauchn. Sem. LOMI, 39 (1974),  162–175
  93. Some properties of primary ideals of absolutely convergent Taylor series and Fourier integrals

    Zap. Nauchn. Sem. LOMI, 39 (1974),  149–161
  94. On uniform approximation of functions on closed sets having a finite number of corner points with nonzero exterior angles

    Dokl. Akad. Nauk SSSR, 205:4 (1972),  798–800
  95. Обобщение теоремы Литтлвуда–Пэли

    Zap. Nauchn. Sem. LOMI, 30 (1972),  179–180
  96. Zeros of analytic functions with a derivative in $H^1$

    Zap. Nauchn. Sem. LOMI, 30 (1972),  154–157
  97. On Hayman's regularity theorem

    Zap. Nauchn. Sem. LOMI, 24 (1972),  182–200
  98. On the factorization of analytic functions with the derivative in $H^p$

    Zap. Nauchn. Sem. LOMI, 22 (1971),  8–27

  99. Odinets Vladimir Petrovich (on his 65th birthday)

    Vladikavkaz. Mat. Zh., 12:4 (2010),  79–81
  100. Garal'd Isidorovich Natanson (obituary)

    Uspekhi Mat. Nauk, 59:4(358) (2004),  181–185
  101. Nikolai Andreevich Lebedev and the Leningrad school of function theory in the 1950–1970s

    Zap. Nauchn. Sem. POMI, 276 (2001),  5–19
  102. Isaak Moiseevich Milin (obituary)

    Uspekhi Mat. Nauk, 48:4(292) (1993),  167–168
  103. Nikolai Andreevich Lebedev (obituary)

    Uspekhi Mat. Nauk, 38:2(230) (1983),  195–199


© Steklov Math. Inst. of RAS, 2025