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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">inform</journal-id><journal-title-group><journal-title xml:lang="ru">Информатика</journal-title><trans-title-group xml:lang="en"><trans-title>Informatics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0301</issn><issn pub-type="epub">2617-6963</issn><publisher><publisher-name>UIIP NASB</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">inform-8</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>МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICAL MODELING</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ СВОЙСТВ ПЛОТНЫХ РАСПИСАНИЙ ПРИ ОГРАНИЧЕННОМ ЧИСЛЕ ПРИБОРОВ</article-title><trans-title-group xml:lang="en"><trans-title>STUDYING PROPERTIES OF DENSE SCHEDULES UNDER CONDITION OF LIMITED NUMBER OF SERVICE UNITS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волчкова</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Volchkova</surname><given-names>G. P.</given-names></name></name-alternatives><email xlink:type="simple">volchkovagp@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Котов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kotov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"/><email xlink:type="simple">kotovvm@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Белорусский государственный университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>25</day><month>09</month><year>2016</year></pub-date><volume>0</volume><issue>1</issue><fpage>64</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волчкова Г.П., Котов В.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Волчкова Г.П., Котов В.М.</copyright-holder><copyright-holder xml:lang="en">Volchkova G.P., Kotov V.M.</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://inf.grid.by/jour/article/view/8">https://inf.grid.by/jour/article/view/8</self-uri><abstract><p>Для задачи max Om||Cmax существует гипотеза, что в худшем случае для любого плотного расписания время завершения выполнения последней работы не более чем в 2-1/m раз превосходит время завершения в оптимальном расписании. Предлагается подход, который позволяет доказать гипотезу для случая m ≤ 9 и некоторых специальных случаев.</p></abstract><trans-abstract xml:lang="en"><p>There is a conjecture that for any dense schedule in the problem Om||Cmax the makespan is atmost (2− 1/m) times the makespan of the optimal schedule, where “m” is the number of machines. In the paper the conjecture is proved for m ≤ 9 аnd some other special cases.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Chen, B. Approximation algorithms for three machine open shop scheduling / B. Chen, V.A. Strusevich // ORSA J. Comput. – 1993. – Vol. 5. – P. 321–326.</mixed-citation><mixed-citation xml:lang="en">Chen, B. Approximation algorithms for three machine open shop scheduling / B. Chen, V.A. Strusevich // ORSA J. 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