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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2018-62-2-159-163</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-503</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>О ПАРАМЕТРИЗАЦИИ ПРЕОБРАЗОВАНИЙ КОМПЛЕКСНОЙ ГРУППЫ ЛОРЕНЦА ДЛЯ ПРОСТРАНСТВ С ВЕЩЕСТВЕННОЙ МЕТРИКОЙ</article-title><trans-title-group xml:lang="en"><trans-title>PARAMETRIZATION OF THE TRANSFORMATIONS OF THE LORENTZ COMPLEX GROUP FOR SPACES WITH REAL METRICS</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>Курочкин</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurochkin</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р физ.-мат. наук, доцент, заведующий центром</p></bio><bio xml:lang="en"><p>D. Sc. (Physics and Mathematics), Assistant Professor, Head of the Center</p></bio><email xlink:type="simple">y.kurochkin@ifanbel.bas-net.by</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>Томильчик</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tomilchik</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р физ.-мат. наук, профессор, гл. науч. сотрудник.</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Physics and Mathematics), Professor, Chief researcher</p></bio><email xlink:type="simple">lmt@dragon.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики им. Б. И. Степанова Национальной академии наук Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>20</day><month>05</month><year>2018</year></pub-date><volume>62</volume><issue>2</issue><fpage>159</fpage><lpage>163</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Курочкин Ю.А., Томильчик Л.М., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Курочкин Ю.А., Томильчик Л.М.</copyright-holder><copyright-holder xml:lang="en">Kurochkin Y.A., Tomilchik L.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://doklady.belnauka.by/jour/article/view/503">https://doklady.belnauka.by/jour/article/view/503</self-uri><abstract><p>Произведено обобщение векторной параметризации преобразований группы Лоренца, изоморфной SO(3.1) на случай, когда преобразования образуют подгруппы комплексной группы Лоренца, изоморфной группе SU(3.1), сохраняющей инвариантной вещественную билинейную форму. Установлен закон композиции и определена подгрупповая структура преобразований группы SU(3.1).</p></abstract><trans-abstract xml:lang="en"><p>The generalization of the vector parametrization of Lorentz group transformations to the case of the complex Lorentz group SU(3.1) saving the invariant real bilinear form is realized. The composition law and the subgroup structure of the group SU(3.1) are defined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>взаимная симметрия</kwd><kwd>группа Лоренца</kwd><kwd>группа SU(3.1)</kwd><kwd>вектор-параметр</kwd><kwd>двойные и комплексные числа</kwd><kwd>преобразования</kwd><kwd>группа SU(3)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reciprocal symmetry</kwd><kwd>Lorentz group</kwd><kwd>SU(3.1) group</kwd><kwd>vector-parameter</kwd><kwd>double and complex numbers</kwd><kwd>transformations</kwd><kwd>subgroup structure</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">Born, M. A suggestion for unifying quantum theory and relativity / M. Born // Proc. Roy. Society. – 1938. – Vol. 165, N 921. – P. 291–303. DOI: 10.1098/rspa.1938.0060</mixed-citation><mixed-citation xml:lang="en">Born M. A suggestion for unifying quantum theory and relativity. 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