RUS  ENG
Full version
PEOPLE

Shirokov Nikolai Alekseevich

Publications in Math-Net.Ru

  1. Entire functions of exponential type in the problem of approximation on disjoint segments

    Zap. Nauchn. Sem. POMI, 545 (2025),  179–205
  2. Multiplicative polynomial approximation

    Zap. Nauchn. Sem. POMI, 545 (2025),  157–167
  3. Generalization of a theorem of I. I. Privalov

    Zap. Nauchn. Sem. POMI, 545 (2025),  145–156
  4. Polynomial approximation in the mean on segments

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

    Algebra i Analiz, 36:1 (2024),  40–59
  6. About the role of St. Petersburg in the formation of mathematical analysis

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 11:4 (2024),  605–626
  7. Approximation by double periodic functions in the class $C^r_A$

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

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

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

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

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

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

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

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

    Izv. RAN. Ser. Mat., 85:3 (2021),  261–283
  16. 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
  17. Polynomial approximations in a convex domain in $\mathbb C^n$ with the exponential decaying inside

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

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

    Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 7:3 (2020),  481–489
  20. 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
  21. Outer functions in classes of analytic functions of variable smoothness

    Zap. Nauchn. Sem. POMI, 480 (2019),  206–213
  22. 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
  23. A note about approximation by trigonometric polynomials

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    Funktsional. Anal. i Prilozhen., 13:1 (1979),  86–87
  83. 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
  84. A remark concerning a problem of S. M. Nikolskii

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

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

    Trudy Mat. Inst. Steklov., 130 (1978),  196–222
  87. 5.11. On the traces of $H^\infty(\mathbb B^N)$ functions on the hyperplanes

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

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

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

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

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

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

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

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

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

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

    Zap. Nauchn. Sem. LOMI, 39 (1974),  149–161
  98. 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
  99. Обобщение теоремы Литтлвуда–Пэли

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

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

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

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

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

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

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

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

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

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


© Steklov Math. Inst. of RAS, 2026