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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Doklady Mathematics</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Математика, информатика, процессы управления</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9543</issn><issn publication-format="electronic">3034-5049</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">698439</article-id><article-id pub-id-type="doi">10.7868/S3034504925050154</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>MATHEMATICS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>МАТЕМАТИКА</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">ARROW’S SINGLE-PEAKED DOMAINS</article-title><trans-title-group xml:lang="ru"><trans-title>ОДНОПИКОВЫЕ ПО ЭРРОУ ДОМЕНЫ ПРЕДПОЧТЕНИЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karpov</surname><given-names>A. V</given-names></name><name xml:lang="ru"><surname>Карпов</surname><given-names>А. В</given-names></name></name-alternatives><email>akarpov@hse.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">HSE University</institution></aff><aff><institution xml:lang="ru">Национальный Исследовательский Университет Высшая Школа Экономики</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">V.A. Trapeznikov Institute of Control Sciences of Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт проблем управления имени В.А. Трапезникова Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2025</year></pub-date><volume>525</volume><issue>1</issue><issue-title xml:lang="en">VOL 525, NO1 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 525, №1 (2025)</issue-title><fpage>102</fpage><lpage>108</lpage><history><date date-type="received" iso-8601-date="2025-12-10"><day>10</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-09-15"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9543/article/view/698439">https://journals.eco-vector.com/2686-9543/article/view/698439</self-uri><abstract xml:lang="en"><p>The paper studies structured preferences domains that avoid configuration with three different third elements in three elements restrictions (Arrow’s single-peaked domains). The number of Arrow’s single-peaked domains and the number of non-isomorphic classes of Arrow’s single-peaked domains are found. We present a forbidden submatrix characterization for matrix representation of Arrow’s single-peaked preferences.</p></abstract><trans-abstract xml:lang="ru"><p>Исследуются множества линейных порядков (домены), которые в сужении на каждую тройку альтернатив являются однопиковыми, т. е. в каждой тройке существует альтернатива никогда не стоящая на последнем месте в сужениях линейных порядков на эту тройку. Данные множества линейных порядков называются однопиковыми по Эрроу. Найдено количество однопиковых по Эрроу доменов и количество неизоморфных классов однопиковых по Эрроу доменов. Показано, что однопиковые по Эрроу домены однозначно соответствуют бинарным матрицам, не содержащих подматрицу специального вида.</p></trans-abstract><kwd-group xml:lang="en"><kwd>binary matrices</kwd><kwd>single-peakedness</kwd><kwd>dichotomous preferences</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>бинарные матрицы</kwd><kwd>однопиковость</kwd><kwd>дихотомические предпочтения</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование осуществлено в рамках Программы фундаментальных исследований НИУ ВШЭ.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Akello-Egwel D., Leedham-Green C., Litterick A., Markstrom K., Riis S. Condorcet domains on at most seven alternatives // Math. Soc. Sci. 2025. V. 133. P. 23–33.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Anstee R.P. Properties of (0,1)-matrices without triangles // J. Comb. Theory Ser. A. 1980. V. 29. 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