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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">kaz29</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Казахстанско-Британского технического университета</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of the Kazakh-British Technical University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6688</issn><issn pub-type="epub">2959-8109</issn><publisher><publisher-name>Казахстанско-Британский Технический Университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55452/1998-6688-2023-20-2-49-56</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz29-706</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕМАТИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>СВОЙСТВА ГИПЕРГРАФОВ МОДЕЛЕЙ СЛАБО О-МИНИМАЛЬНЫХ ТЕОРИЙ</article-title><trans-title-group xml:lang="en"><trans-title>PROPERTIES OF HYPERGRAPHS OF MODELS OF WEAKLY O-MINIMAL THEORIES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4242-0463</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулпешов</surname><given-names>Б. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulpeshov</surname><given-names>B. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулпешов Бейбут Шайыкович, Доктор физико-математических наук, член-корреспондент НАН РК, профессор; главный научный сотрудник</p><p>ул. Шевченко, 28, 050010, г. Алматы</p></bio><bio xml:lang="en"><p>Kulpeshov Beibut Shaiykovich, Doctor of Physical and Mathematical Sciences, Corresponding Member; Professor of School of Applied Mathematics</p><p>28, Shevchenko street, Almaty, 050010</p></bio><email xlink:type="simple">b.kulpeshov@kbtu.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Казахстанско-Британский технический университет; Институт математики и математического моделирования<country>Казахстан</country></aff><aff xml:lang="en">Kazakh-British Technical University; Institute of Mathematics and Mathematical Modeling<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>02</day><month>07</month><year>2023</year></pub-date><volume>20</volume><issue>2</issue><fpage>49</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кулпешов Б.Ш., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Кулпешов Б.Ш.</copyright-holder><copyright-holder xml:lang="en">Kulpeshov B.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestnik.kbtu.edu.kz/jour/article/view/706">https://vestnik.kbtu.edu.kz/jour/article/view/706</self-uri><abstract><p>В настоящей статье исследуются понятия относительной Н-свободы и относительной Н-независимости для гиперграфов моделей слабо о-минимальных теорий. Гиперграфы моделей теории относятся к производным объектам, позволяющим получать существенную структурную информацию как о самих теориях, так и о сопутствующих семантических объектах. Вспомним, что гиперграфом называется любая пара множеств (X, Y), где Y – некоторое подмножество булеана P(X) множества X. При этом множество X называется носителем гиперграфа (X, Y), а элементы из Y – ребрами гиперграфа (X, Y). Слабая о-минимальность первоначально была глубоко исследована Д. Макферсоном, Д. Маркером и Ч. Стейнхорном. В девяностые годы прошлого столетия к исследованию данного понятия успешно подключились казахстанские ученые, решив ряд поставленных этими авторами проблем. В настоящей работе мы продолжаем исследование теоретико-модельных свойств слабо о-минимальных структур. Получен критерий относительной свободы множества реализаций неалгебраического 1-типа в почти омега-категоричных слабо о-минимальных теориях в терминах ранга выпуклости. Также установлен критерий относительной Н-независимости множеств реализаций двух неалгебраических 1-типов в почти омега-категоричных слабо о-минимальных теориях в терминах слабой ортогональности 1-типов.</p></abstract><trans-abstract xml:lang="en"><p>In this paper, we study the notions of relative H-freedom and relative H-independence for hypergraphs of models of weakly o-minimal theories. Hypergraphs of models of a theory are derived objects that allow obtaining essential structural information both about the theories themselves and about related semantic objects. Recall that a hypergraph is any pair of sets (X, Y), where Y is some subset of the Boolean P(X) of a set X. In this case, the set X is called the support of the hypergraph (X, Y), and elements from Y are called edges of the hypergraph (X, Y). Weak o-minimality was originally deeply investigated by D. Macpherson, D. Marker, and C. Steinhorn. In the nineties of the last century, Kazakhstan scientists successfully joined the study of this concept, solving a number of problems posed by the authors. In this paper, we continue the study of model-theoretic properties of weakly o-minimal structures. A criterion for relative H-freedom of the set of realizations of non-algebraic 1-type in almost omega-categorical weakly o-minimal theories is obtained in terms of convexity rank. We also establish a criterion for relative H-independence of the sets of realizations of two non-algebraic 1-types in almost omega-categorical weakly o-minimal theories in terms of weak orthogonality of 1-types.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>линейно упорядоченная структура</kwd><kwd>гиперграф</kwd><kwd>слабая о-минимальность</kwd><kwd>относительная свобода</kwd><kwd>относительная независимость</kwd><kwd>почти омега-категоричность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>linearly ordered structure</kwd><kwd>1-transitivity</kwd><kwd>weak o-minimality</kwd><kwd>relative freedom</kwd><kwd>relative independence</kwd><kwd>almost omega-categoricity</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sudoplatov S.V. Classification of countable models of complete theories. – Part 1. – Novosibirsk: Novosibirsk State Technical University Publishing House, 2018. – 326 p. ISBN 978-5-7782-3527-4</mixed-citation><mixed-citation xml:lang="en">Sudoplatov S.V. (2018) Classification of countable models of complete theories, part 1. Novosibirsk: Novosibirsk State Technical University Publishing House, 326 p. ISBN 978-5-7782-3527-4</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Судоплатов С.В. Об ациклических гиперграфах минимальных простых моделей // Сибирский математический журнал . – Т. 42. – №6. – C. 1408–1412.</mixed-citation><mixed-citation xml:lang="en">Sudoplatov S.V. Ob aciklicheskih gipergrafah minimal'nyh prostyh modelej, Sibirskij matematicheskij zhurnal, vol. 42, no. 6, pp. 1408–1412.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Судоплатов С.В. Гиперграфы простых моделей и распределения счeтных моделей малых теорий // Фундаментальная и прикладная математика. – 2009. – Т. 15. – № 7. – С. 179–203.</mixed-citation><mixed-citation xml:lang="en">Sudoplatov S.V. (2009) Gipergrafy prostyh modelej i raspredelenija schetnyh modelej malyh teorij, Fundamental'naja i prikladnaja matematika, vol. 15, no. 7, pp. 179–203.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Байкалова К.А. О некоторых гиперграфах простых моделей и порождаемых ими предельных моделях // Алгебра и теория моделей 7 : сб. науч. тр. / под. редакцией А.Г. Пинуса, К.Н. Пономарева, С.В. Судоплатова. – Новосибирск: Издательство НГТУ, 2009. – С. 6–17.</mixed-citation><mixed-citation xml:lang="en">Bajkalova K.A. (2009) O nekotoryh gipergrafah prostyh modelej i porozhdaemyh imi predel'nyh modeljah, Algebra i teorija modelej 7 : sb. nauch. tr. / pod. redakciej A.G. Pinusa, K.N. Ponomareva, S.V. Sudoplatova. Novosibirsk: Izdatel'stvo NGTU, pp. 6–17.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Sudoplatov S.V. On the separability of elements and sets in hypergraphs of models of a theory // Вестник Карагандинского университета. Серия «Математика». – 2016. – Т. 82. – №. 2. – С. 113–120.</mixed-citation><mixed-citation xml:lang="en">Sudoplatov S.V. (2016) On the separability of elements and sets in hypergraphs of models of a theory, Vestnik Karagandinskogo universiteta, vol. 82, no. 2, pp. 113–120.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Kulpeshov B.Sh., Sudoplatov S.V. On relative separability in hypergraphs of models of theories // Eurasian Mathematical Journal. – 2018. – Vol. 9. – No. 4. – P. 68–78.</mixed-citation><mixed-citation xml:lang="en">Kulpeshov B.Sh., Sudoplatov S.V. (2018) On relative separability in hypergraphs of models of theories, Eurasian Mathematical Journal, vol. 9, no. 4, pp. 68–78.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Kulpeshov B.Sh., Sudoplatov S.V. On freedom and independence in hypergraphs of models of theories // Siberian Electronic Mathematical Reports. – 2018. – Vol. 15. – P. 612–630.</mixed-citation><mixed-citation xml:lang="en">Kulpeshov B.Sh., Sudoplatov S.V. (2018) On freedom and independence in hypergraphs of models of theories, Siberian Electronic Mathematical Reports, vol. 15, pp. 612–630.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Macpherson H.D., Marker D., Steinhorn Ch. Weakly o-minimal structures and real closed fields // Transactions of the American Mathematical Society. – 2000. – Vol. 352. – No. 6. – P. 5435–5483.</mixed-citation><mixed-citation xml:lang="en">Macpherson H.D., Marker D., Steinhorn Ch. (2000) Weakly o-minimal structures and real closed fields, Transactions of the American Mathematical Society, vol. 352, no. 6, pp. 5435–5483.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Baizhanov B.S. Expansion of a model of a weakly o-minimal theory by a family of unary predicates // The Journal of Symbolic Logic. – 2001. – Vol. 66. – P. 1382–1414.</mixed-citation><mixed-citation xml:lang="en">Baizhanov B.S. (2001) Expansion of a model of a weakly o-minimal theory by a family of unary predicates, The Journal of Symbolic Logic, vol. 66, pp. 1382–1414.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Ikeda K., Pillay A., Tsuboi A. On theories having three countable models // Mathematical Logic Quarterly. – 1998. – Vol. 44. – Issue 2. – P. 161–166.</mixed-citation><mixed-citation xml:lang="en">Ikeda K., Pillay A., Tsuboi A. (1998) On theories having three countable models, Mathematical Logic Quarterly, vol. 44, issue 2, pp. 161–166.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Peretyatkin M.G. Theories with three countable models // Algebra and Logic. – 1980. – Vol. 19. – No. 2. – P. 224–235.</mixed-citation><mixed-citation xml:lang="en">Peretyatkin M.G. (1980) Theories with three countable models, Algebra and Logic, vol. 19, no. 2, pp. 224–235.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Kulpeshov B.Sh., Sudoplatov S.V. Linearly ordered theories near to countably categorical // Mathematical Notes. – 2017. – Vol. 101. – No. 3. – P. 413–424.</mixed-citation><mixed-citation xml:lang="en">Kulpeshov B.Sh., Sudoplatov S.V. (2017) Linearly ordered theories near to countably categorical, Mathematical Notes, vol. 101, no. 3, pp. 413–424.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Altayeva A.B., Kulpeshov B.Sh. Binarity of almost ω-categorical quite o-minimal theories // Siberian Mathematical Journal. – 2020. – Vol. 61. – No. 3. – P. 484–498.</mixed-citation><mixed-citation xml:lang="en">Altayeva A.B., Kulpeshov B.Sh. (2020) Binarity of almost ω-categorical quite o-minimal theories, Siberian Mathematical Journal, vol. 61, no. 3, pp. 484–498.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Kulpeshov B.Sh., Mustafin T.S. Almost ω-categorical weakly o-minimal theories of convexity rank 1 // Siberian Mathematical Journal. – 2021. – Vol. 62. – No. 1. – P. 65–81.</mixed-citation><mixed-citation xml:lang="en">Kulpeshov B.Sh., Mustafin T.S. (2021) Almost ω-categorical weakly o-minimal theories of convexity rank 1, Siberian Mathematical Journal, vol. 62, no. 1, pp. 65–81.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Altayeva A.B., Kulpeshov B.Sh. On almost omega-categoricity of weakly o-minimal theories // Siberian Electronic Mathematical Reports. – 2021. – Vol. 18. – No. 1. – P. 247–254.</mixed-citation><mixed-citation xml:lang="en">Altayeva A.B., Kulpeshov B.Sh. (2021) On almost omega-categoricity of weakly o-minimal theories, Siberian Electronic Mathematical Reports, vol. 18, no. 1, pp. 247–254.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Kulpeshov B.Sh. A criterion for binarity of almost ω -categorical weakly o-minimal theories // Siberian Mathematical Journal. – 2021. – Vol. 62. – No. 6. – P. 1063–1075.</mixed-citation><mixed-citation xml:lang="en">Kulpeshov B.Sh. (2021) A criterion for binarity of almost ω -categorical weakly o-minimal theories, Siberian Mathematical Journal, vol. 62, no. 6, pp. 1063–1075.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Woodrow R.E. Theories with a finite number of countable models and a small language, Ph. D. Thesis, Simon Fraser University. – 1976. – 99 p.</mixed-citation><mixed-citation xml:lang="en">Woodrow R.E. (1976) Theories with a finite number of countable models and a small language, Ph. D. Thesis, Simon Fraser University, 99 p.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
