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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">mathematics</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник российских университетов. Математика</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Universities Reports. Mathematics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2686-9667</issn><issn pub-type="epub">2782-3342</issn><publisher><publisher-name>Тамбовский государственный университет имени Г.Р. Державина</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20310/2686-9667-2020-25-131-331-340</article-id><article-id custom-type="elpub" pub-id-type="custom">mathematics-228</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ARTICLES</subject></subj-group></article-categories><title-group><article-title>Масштабная инвариантность строгой иерархии Кадомцева-Петвиашвили</article-title><trans-title-group xml:lang="en"><trans-title>Scaling invariance of the strict KP hierarchy</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>Хельминк</surname><given-names>Герард Франциск</given-names></name><name name-style="western" xml:lang="en"><surname>Helminck</surname><given-names>Gerard F.</given-names></name></name-alternatives><email xlink:type="simple">g.f.helminck@uv.nl</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>Панасенко</surname><given-names>Елена Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Panasenko</surname><given-names>Elena A.</given-names></name></name-alternatives><email xlink:type="simple">panlena_t@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Математический институт Кортевега-де Фриза, Университет г. Амстердам</institution><country>Россия</country></aff><aff xml:lang="en"><institution>KdV Institute, University of Amsterdam</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Тамбовский государственный университет им. Г.Р. Державина»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Derzhavin Tambov State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>19</day><month>10</month><year>2020</year></pub-date><volume>25</volume><issue>131</issue><fpage>331</fpage><lpage>340</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хельминк Г.Ф., Панасенко Е.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Хельминк Г.Ф., Панасенко Е.А.</copyright-holder><copyright-holder xml:lang="en">Helminck G.F., Panasenko E.A.</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://mathematics.elpub.ru/jour/article/view/228">https://mathematics.elpub.ru/jour/article/view/228</self-uri><abstract><p>В работе показано, прежде всего, что для решений строгой иерархии Кадомцева-Петвиашвили (КП) достаточно использовать стандартное окружение. Далее рассмотрена минимальная реализация этой иерархии, представлена масштабная инвариантность уравнений Лакса строгой иерархии КП.</p></abstract><trans-abstract xml:lang="en"><p>In this paper we show first of all that for solutions of the strict KP hierarchy it is sufficient to work in a standard setting. Further we discuss a minimal realization of the hierarchy and present the scaling invariance of the Lax equations of the hierarchy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>псевдодифференциальные операторы</kwd><kwd>уравнения Лакса</kwd><kwd>строгая иерархия КП</kwd><kwd>минимальная реализация</kwd><kwd>преобразования масштабирования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pseudo differential operators</kwd><kwd>Lax equations</kwd><kwd>strict KP hierarchy</kwd><kwd>scaling transformations</kwd><kwd>minimal realization</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">B. B. Khadomtsev, V. I. Petviashvilii, “On the stability of solitary waves in weakly dispersing media”, Sov. Phys. Doklady, 15 (1970), 539-541.</mixed-citation><mixed-citation xml:lang="en">B. B. Khadomtsev, V. I. 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