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Ershov Yurii Leonidovich

Publications in Math-Net.Ru

  1. Key polynomials and preminimal pairs

    Algebra i Analiz, 35:3 (2023),  38–43
  2. Letter to the Editor

    Algebra Logika, 62:2 (2023),  297
  3. Pre-minimal pairs and homogeneous valuations

    Algebra Logika, 61:5 (2022),  541–551
  4. $K$-completions of $T_0$-spaces

    Algebra Logika, 61:3 (2022),  263–279
  5. On function spaces. II

    Sib. Èlektron. Mat. Izv., 19:2 (2022),  815–834
  6. On function spaces

    Sib. Èlektron. Mat. Izv., 17 (2020),  999–1008
  7. To the spectral theory of partially ordered sets. ii

    Sibirsk. Mat. Zh., 61:3 (2020),  572–586
  8. The $d$-rank of an $\alpha$-space does not exceed $1$

    Algebra Logika, 58:6 (2019),  706–713
  9. On Brown polynomials. II

    Sibirsk. Mat. Zh., 60:5 (2019),  1080–1084
  10. To the spectral theory of partially ordered sets

    Sibirsk. Mat. Zh., 60:3 (2019),  578–598
  11. Solimit points and $u$-extensions

    Algebra Logika, 56:4 (2017),  443–452
  12. The $d$-rank of a topological space

    Algebra Logika, 56:2 (2017),  150–163
  13. Essential extensions of $T_0$-spaces. II

    Algebra Logika, 55:1 (2016),  3–13
  14. How to find (compute) a separant

    Algebra Logika, 54:2 (2015),  236–242
  15. Separant of an arbitrary polynomial

    Algebra Logika, 53:6 (2014),  704–709
  16. Integral closure of a valuation ring in a finite extension

    Algebra Logika, 52:1 (2013),  84–91
  17. A stability criterion

    Algebra Logika, 51:2 (2012),  193–196
  18. On Brown polynomials

    Sibirsk. Mat. Zh., 53:4 (2012),  819–821
  19. Generalizations of Hensel's lemma and the nearest root method

    Algebra Logika, 50:6 (2011),  701–706
  20. Separants of some polynomials

    Sibirsk. Mat. Zh., 52:5 (2011),  1053–1057
  21. On an article by R. Brown

    Sibirsk. Mat. Zh., 52:2 (2011),  292–296
  22. Toward a theorem of Douady

    Algebra Logika, 49:6 (2010),  757–765
  23. On the way from logic to algebra

    Uspekhi Mat. Nauk, 65:5(395) (2010),  143–156
  24. Topological objects in category $EQU$

    Sib. Èlektron. Mat. Izv., 7 (2010),  76–86
  25. Subfields of the adele ring

    Algebra Logika, 48:6 (2009),  741–753
  26. $*$-Extremal valued fields

    Sibirsk. Mat. Zh., 50:6 (2009),  1280–1284
  27. Stability preservation theorems

    Algebra Logika, 47:3 (2008),  269–287
  28. Root continuity theorems in valued fields. II

    Sibirsk. Mat. Zh., 49:5 (2008),  1077–1082
  29. Tame and purely wild extensions of valued fields

    Algebra i Analiz, 19:5 (2007),  124–136
  30. Stable valued fields

    Algebra Logika, 46:6 (2007),  707–728
  31. Lubin–Tate extensions, an elementary approach

    Izv. RAN. Ser. Mat., 71:6 (2007),  3–28
  32. Two Theorems on Defect-Freeness for Cyclic Extensions

    Mat. Tr., 10:2 (2007),  92–111
  33. The mathematical information system MathTree

    Uspekhi Mat. Nauk, 62:5(377) (2007),  133–142
  34. Rogers Semilattices of Finite Partially Ordered Sets

    Algebra Logika, 45:1 (2006),  44–84
  35. On tolerant valuation rings

    Sib. Èlektron. Mat. Izv., 3 (2006),  284–290
  36. Root continuity theorems in valued fields

    Sibirsk. Mat. Zh., 47:6 (2006),  1258–1264
  37. Spectra of rings and lattices

    Sibirsk. Mat. Zh., 46:2 (2005),  361–373
  38. Extremal Valued Fields

    Algebra Logika, 43:5 (2004),  582–588
  39. Abstract class field theory (formatting modules)

    Sib. Èlektron. Mat. Izv., 1 (2004),  1–23
  40. Elementary regular rings. II

    Sibirsk. Mat. Zh., 45:3 (2004),  558–565
  41. Local theory of class fields

    Algebra i Analiz, 15:6 (2003),  35–47
  42. Necessary Isomorphism Conditions for Rogers Semilattices of Finite Partially Ordered Sets

    Algebra Logika, 42:4 (2003),  413–421
  43. Good extensions and global class field theory

    Dokl. Akad. Nauk, 388:2 (2003),  155–158
  44. Projectivity of the Absolute Galois Groups of Multi-Valued Fields

    Mat. Tr., 6:1 (2003),  28–33
  45. Abstract class field theory (a finitary approach)

    Mat. Sb., 194:2 (2003),  37–60
  46. The spectral theory of semitopological semilattices

    Sibirsk. Mat. Zh., 44:5 (2003),  1021–1032
  47. Multi-Valued Fields. II

    Algebra Logika, 41:6 (2002),  682–712
  48. Nice local global fields. IV

    Sibirsk. Mat. Zh., 43:3 (2002),  526–538
  49. Immediate Extensions of Prüfer Rings

    Algebra Logika, 40:3 (2001),  262–289
  50. Separable Conservativity

    Mat. Tr., 4:1 (2001),  18–24
  51. Lattice properties preserved under free products

    Algebra Logika, 39:1 (2000),  66–73
  52. On amazing extensions of the field of rational numbers

    Dokl. Akad. Nauk, 373:1 (2000),  15–16
  53. $\Delta$-spaces

    Algebra Logika, 38:6 (1999),  667–679
  54. Uniformly small $\Delta^\ast$-groups

    Algebra Logika, 38:1 (1999),  24–39
  55. On essential extensions of $T_0$-spaces

    Dokl. Akad. Nauk, 368:3 (1999),  299–302
  56. Near Regularly-Prüfer Rings

    Mat. Tr., 2:1 (1999),  72–120
  57. On a theorem of Kurosh

    Algebra Logika, 37:4 (1998),  381–393
  58. Fields with continuous local elementary properties. III

    Algebra Logika, 36:6 (1997),  642–656
  59. On semilocal fields

    Dokl. Akad. Nauk, 353:5 (1997),  596–598
  60. Nice locally global fields. III

    Sibirsk. Mat. Zh., 38:3 (1997),  526–532
  61. Nice locally global fields. II

    Algebra Logika, 35:5 (1996),  503–528
  62. Nice locally global fields. I

    Algebra Logika, 35:4 (1996),  411–423
  63. Free $\Delta^*$-groups

    Algebra Logika, 35:2 (1996),  154–172
  64. Fields with continuous local elementary properties. II

    Algebra Logika, 34:3 (1995),  262–273
  65. Separability in hereditarily finite superstructures

    Dokl. Akad. Nauk, 340:1 (1995),  12–14
  66. Fields with continuous local elementary properties. I

    Algebra Logika, 33:6 (1994),  628–653
  67. $RC^*$-fields

    Algebra Logika, 33:4 (1994),  367–386
  68. Decidability of the theory of the class of fields $\mathfrak{F}^f_*$

    Dokl. Akad. Nauk, 336:6 (1994),  733–736
  69. Model-theoretic properties of $RC^*$-fields

    Dokl. Akad. Nauk, 335:2 (1994),  138–141
  70. On Galois groups of $RC^*_\zeta$-fields

    Dokl. Akad. Nauk, 334:3 (1994),  275–277
  71. Maximal ${\rm RC}_\pi$-fields

    Algebra Logika, 32:5 (1993),  497–518
  72. Elementary regular rings

    Algebra Logika, 32:4 (1993),  387–401
  73. Boolean families of valuation rings. II

    Algebra Logika, 32:3 (1993),  261–266
  74. Letter to the editors: “Forcing in admissible sets” [Algebra and Logic 29 (1990), no. 6, 424–430; MR1159138]

    Algebra Logika, 32:2 (1993),  222–223
  75. Relatively regularly closed fields

    Dokl. Akad. Nauk, 332:3 (1993),  286–288
  76. Relative regular closure and $\pi$-normalizations

    Algebra Logika, 31:6 (1992),  592–623
  77. Boolean families of valuation rings

    Algebra Logika, 31:3 (1992),  276–296
  78. Every projective $C_2$-group is realizable

    Algebra Logika, 31:2 (1992),  119–131
  79. Projective products of profinite groups

    Algebra Logika, 30:6 (1991),  638–651
  80. Projective $\Gamma$-groups

    Dokl. Akad. Nauk SSSR, 318:4 (1991),  798–801
  81. Characterization of Kochen rings of $PC_M$-fields

    Dokl. Akad. Nauk SSSR, 316:1 (1991),  33–36
  82. Forcing in admissible sets

    Algebra Logika, 29:6 (1990),  648–658
  83. A problem of Jarden-Shelah

    Algebra Logika, 28:6 (1989),  640–642
  84. Every family of subsets of urelements generates an admissible set

    Sibirsk. Mat. Zh., 30:6 (1989),  65–67
  85. Co-Henselian extensions and Henselization of division algebras

    Algebra Logika, 27:6 (1988),  649–658
  86. Invariant generability

    Sibirsk. Mat. Zh., 29:5 (1988),  109–111
  87. Generability of admissible sets

    Algebra Logika, 26:5 (1987),  577–596
  88. On $f_A$-spaces

    Algebra Logika, 25:5 (1986),  533–543
  89. On the mapping of the restriction of spaces of orders of fields

    Sibirsk. Mat. Zh., 27:2 (1986),  47–54
  90. $\Sigma$-predicates of finite types over an admissible set

    Algebra Logika, 24:5 (1985),  499–536
  91. $\Sigma$-definability in admissible sets

    Dokl. Akad. Nauk SSSR, 285:4 (1985),  792–795
  92. Regularly $r$-closed fields with weakly universal Galois groups

    Algebra Logika, 23:6 (1984),  637–669
  93. Galois groups of maximal 2-extensions

    Mat. Zametki, 36:6 (1984),  913–923
  94. Regularly $r$-closed fields

    Algebra Logika, 22:4 (1983),  382–402
  95. Involutory groups

    Algebra Logika, 22:3 (1983),  260–275
  96. Dynamic logic over admissible sets

    Dokl. Akad. Nauk SSSR, 273:5 (1983),  1045–1048
  97. The $\Sigma $-enumeration principle

    Dokl. Akad. Nauk SSSR, 270:4 (1983),  786–788
  98. Absolute irreducibility and Henselization properties

    Algebra Logika, 21:5 (1982),  530–536
  99. Regularly $r$-closed fields

    Dokl. Akad. Nauk SSSR, 266:3 (1982),  538–540
  100. Totally real field extensions

    Dokl. Akad. Nauk SSSR, 263:5 (1982),  1047–1049
  101. Multiply valued fields

    Uspekhi Mat. Nauk, 37:3(225) (1982),  55–93
  102. Henselian valuations of division rings and the group $SK_1$

    Mat. Sb. (N.S.), 117(159):1 (1982),  60–68
  103. Undecidability of regularly closed fields

    Algebra Logika, 20:4 (1981),  389–394
  104. Eliminability of quantifiers in regularly closed fields

    Dokl. Akad. Nauk SSSR, 258:1 (1981),  16–20
  105. On elementary theories of regularly closed fields

    Dokl. Akad. Nauk SSSR, 257:2 (1981),  271–274
  106. Algebraic properties of regularly closed fields

    Trudy Mat. Inst. Steklov., 158 (1981),  80–86
  107. On profinite groups

    Algebra Logika, 19:5 (1980),  552–565
  108. Multiply valued fields

    Dokl. Akad. Nauk SSSR, 253:2 (1980),  274–277
  109. Regularly closed fields

    Dokl. Akad. Nauk SSSR, 251:4 (1980),  783–785
  110. Distributive lattices with relative complements

    Algebra Logika, 18:6 (1979),  680–722
  111. Algebraically compact groups. II

    Algebra Logika, 18:4 (1979),  408–414
  112. Algebraically compact groups

    Algebra Logika, 17:6 (1978),  684–692
  113. Valuations of skew fields and the group $SK_1$

    Dokl. Akad. Nauk SSSR, 239:4 (1978),  768–771
  114. Numeration of the class $\mathbb{C}^*_{20}$

    Algebra Logika, 16:6 (1977),  637–642
  115. Hereditarily effective operations

    Algebra Logika, 15:6 (1976),  642–654
  116. The upper semilattice of numerations of a finite set

    Algebra Logika, 14:3 (1975),  258–284
  117. Maximal and everywhere defined functionals

    Algebra Logika, 13:4 (1974),  374–397
  118. The model $\mathbf{G}$ of the theory $BR$

    Dokl. Akad. Nauk SSSR, 217:5 (1974),  1004–1006
  119. Semilocal fields

    Dokl. Akad. Nauk SSSR, 215:1 (1974),  41–44
  120. Skolem functions and constructive models

    Algebra Logika, 12:6 (1973),  644–654
  121. Theory of $A$-spaces

    Algebra Logika, 12:4 (1973),  369–416
  122. The upper semilattice $L(\gamma )$

    Algebra Logika, 12:2 (1973),  167–189
  123. Everywhere defined continuous functionals

    Algebra Logika, 11:6 (1972),  656–665
  124. Computable functionals of finite types

    Algebra Logika, 11:4 (1972),  367–437
  125. Continuous lattices and $A$-spaces

    Dokl. Akad. Nauk SSSR, 207:3 (1972),  523–526
  126. Existence of constructivizations

    Dokl. Akad. Nauk SSSR, 204:5 (1972),  1041–1044
  127. Elementary group theories

    Dokl. Akad. Nauk SSSR, 203:6 (1972),  1240–1243
  128. On a relation between sheaf-spaces and numerated sets with $C_2^*$-property

    Zap. Nauchn. Sem. LOMI, 32 (1972),  18–20
  129. Positive equivalences

    Algebra Logika, 10:6 (1971),  620–650
  130. Computable enumerations of morphisms

    Algebra Logika, 10:3 (1971),  247–308
  131. Inseparable pairs

    Algebra Logika, 9:6 (1970),  661–666
  132. A certain hierarchy of sets. III

    Algebra Logika, 9:1 (1970),  34–51
  133. Fields with two linear orderings

    Mat. Zametki, 7:5 (1970),  525–536
  134. Index sets

    Sibirsk. Mat. Zh., 11:2 (1970),  326–342
  135. Hyperhypersimple $m$-degrees

    Algebra Logika, 8:5 (1969),  523–552
  136. Computable enumerations. II

    Algebra Logika, 8:1 (1969),  65–71
  137. The number of linear orders on a field

    Mat. Zametki, 6:2 (1969),  201–211
  138. Totally enumerated sets

    Sibirsk. Mat. Zh., 10:5 (1969),  1048–1064
  139. Computable enumerations

    Algebra Logika, 7:5 (1968),  71–99
  140. A certain hierarchy of sets. II

    Algebra Logika, 7:4 (1968),  15–47
  141. Restricted theories of totally ordered sets

    Algebra Logika, 7:3 (1968),  38–47
  142. A certain hierarchy of sets. I

    Algebra Logika, 7:1 (1968),  47–74
  143. Elementary theories of Post varieties

    Algebra i Logika. Sem., 6:5 (1967),  7–15
  144. On the rational points over Henselian fields

    Algebra i Logika. Sem., 6:3 (1967),  39–49
  145. On the elementary theory of maximal normed fields III

    Algebra i Logika. Sem., 6:3 (1967),  31–38
  146. Fields with a solvable theory

    Dokl. Akad. Nauk SSSR, 174:1 (1967),  19–20
  147. Numerations of families of general recursive functions

    Sibirsk. Mat. Zh., 8:5 (1967),  1015–1025
  148. New examples of undecidable theories

    Algebra i Logika. Sem., 5:5 (1966),  37–47
  149. On the elementary theory of maximal normed fields. II

    Algebra i Logika. Sem., 5:1 (1966),  5–40
  150. On the elementary theory of maximal normed fields. II

    Algebra i Logika. Sem., 4:6 (1965),  47–48
  151. On elementary theory of maximal normalized fields

    Algebra i Logika. Sem., 4:3 (1965),  31–70
  152. On elementary theories of local fields

    Algebra i Logika. Sem., 4:2 (1965),  5–30
  153. On the elementary theory of maximal normed fields

    Dokl. Akad. Nauk SSSR, 165:1 (1965),  21–23
  154. Undecidability of certain fields

    Dokl. Akad. Nauk SSSR, 161:1 (1965),  27–29
  155. Elementary theories

    Uspekhi Mat. Nauk, 20:4(124) (1965),  37–108
  156. Decidability of the elementary theory of relatively complemented lattices and of the theory of filters

    Algebra i Logika. Sem., 3:3 (1964),  17–38
  157. Decidability of certain non-elementary theories

    Algebra i Logika. Sem., 3:2 (1964),  45–47
  158. Undecidability of the theories of symmetric and simple finite groups

    Dokl. Akad. Nauk SSSR, 158:4 (1964),  777–779
  159. Undecidability of certain theories

    Algebra i Logika. Sem., 2:5 (1963),  37–41
  160. Decidability of elementary theories of certain classes of Abelian groups

    Algebra i Logika. Sem., 1:6 (1963),  37–41
  161. On a conjecture of V. A. Uspenskiĭ

    Algebra i Logika. Sem., 1:4 (1962),  45–48
  162. Axiomatizable classes of models with infinite signature

    Algebra i Logika. Sem., 1:4 (1962),  32–44

  163. Larisa L'vovna Maksimova (obituary)

    Uspekhi Mat. Nauk, 80:3(483) (2025),  179–182
  164. Marat Mirzaevich Arslanov (on his eightieth birthday)

    Uspekhi Mat. Nauk, 79:2(476) (2024),  189–193
  165. Victor Danilovich Mazurov (on his 80-th birthday)

    Sib. Èlektron. Mat. Izv., 21:1 (2024),  266–270
  166. Viktor Danilovich Mazurov (on his 80th birthday)

    Algebra Logika, 62:1 (2023),  I–V
  167. In memory of Valeriy Matveevich Kopytov

    Algebra Logika, 61:6 (2022),  I–IV
  168. Victor Nikolaevich Latyshev (obituary)

    Uspekhi Mat. Nauk, 77:1(463) (2022),  177–182
  169. Ualbai Utmakhanbetovich Umirbaev (on his 60th birthday)

    Uspekhi Mat. Nauk, 76:2(458) (2021),  187–192
  170. Sergei Ivanovich Adian (obituary)

    Uspekhi Mat. Nauk, 76:1(457) (2021),  191–194
  171. Vladimir Andreevich Uspensky (27/11/1930–27/6/2018)

    Uspekhi Mat. Nauk, 74:4(448) (2019),  165–180
  172. Evgenii Andreevich Palyutin (1945–2018)

    Sib. Èlektron. Mat. Izv., 16 (2019),  1–10
  173. Vladimir Petrovich Shunkov (obituary)

    Uspekhi Mat. Nauk, 68:4(412) (2013),  177–178
  174. Sergei Ilyich Mardaev (6.04.1962–10.04.2013)

    Sib. Èlektron. Mat. Izv., 10 (2013),  30–34
  175. Sergei Savost'yanovich Goncharov (on the occasion of his 60th birthday)

    Sibirsk. Mat. Zh., 52:5 (2011),  959–961
  176. Fifty years of Siberian Mathematical Journal

    Sibirsk. Mat. Zh., 50:6 (2009),  1201–1202
  177. Fifty years of the Siberian Division of the Russian Academy of Sciences

    Sibirsk. Mat. Zh., 48:3 (2007),  483–484
  178. Errata to the paper by Yu. L. Ershov “Abstract class field theory (a finitary approach)” (194:2 (2003), 37–60)

    Mat. Sb., 195:9 (2004),  160
  179. Sergei L'vovich Sobolev

    Sibirsk. Mat. Zh., 44:5 (2003),  953–960
  180. Anatoliĭ Georgievich Kusraev (on the occasion of his fiftieth birthday)

    Vladikavkaz. Mat. Zh., 5:1 (2003),  5–7
  181. Aleksandr Alekseevich Borovkov (on the occasion of his seventieth birthday)

    Sibirsk. Mat. Zh., 42:2 (2001),  243–248
  182. Mikhail Alekseevich Lavrent'ev (on the centenary of his birth)

    Sibirsk. Mat. Zh., 41:5 (2000),  969–983
  183. Sergei Konstantinovich Godunov (on the occasion of his seventieth birthday)

    Sibirsk. Mat. Zh., 40:3 (1999),  483–484
  184. Sergei L'vovich Sobolev (1908–1989)

    Sibirsk. Mat. Zh., 39:4 (1998),  723–729
  185. On the fortieth anniversary of the Siberian Branch of the Academy of Sciences

    Sibirsk. Mat. Zh., 38:3 (1997),  483–484
  186. Third International Conference on Algebra

    Uspekhi Mat. Nauk, 49:1(295) (1994),  236–237
  187. Mikhail Mikhailovich Lavrent'ev (on his sixtieth birthday)

    Uspekhi Mat. Nauk, 47:3(285) (1992),  183–185
  188. Asan Dabsovich Taimanov (obituary)

    Uspekhi Mat. Nauk, 45:5(275) (1990),  171–173
  189. On the eightieth anniversary of the birth of the outstanding Soviet mathematician and academician A. I. Mal'tsev

    Algebra Logika, 28:6 (1989),  615–618
  190. Dmitriĭ Matveevich Smirnov (on the occasion of his seventieth birthday)

    Algebra Logika, 28:5 (1989),  491–492
  191. Siberian School “Algebra and Analysis”

    Uspekhi Mat. Nauk, 44:2(266) (1989),  247–248
  192. Sergei Nikolaevich Chernikov (obituary)

    Uspekhi Mat. Nauk, 43:2(260) (1988),  125–126
  193. In memory of Anatolii Illarionovich Shirshov (obituary)

    Uspekhi Mat. Nauk, 36:5(221) (1981),  153–157
  194. Fourteenth All-Union Algebraic Conference

    Uspekhi Mat. Nauk, 33:1(199) (1978),  239–244
  195. In memory of Mikhail Ivanovich Kargapolov

    Uspekhi Mat. Nauk, 32:1(193) (1977),  145–149
  196. On the fiftieth birthday of corresponding member of the Academy of Sciences of the USSR A. I. Shirshov

    Sibirsk. Mat. Zh., 12:5 (1971),  939–941
  197. Anatolii Ivanovich Mal'tsev (obituary)

    Uspekhi Mat. Nauk, 23:3(141) (1968),  159–170

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