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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">Russian Universities Reports. Mathematics</journal-id><journal-title-group><journal-title xml:lang="en">Russian Universities Reports. Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник российских университетов. Математика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9667</issn><issn publication-format="electronic">2782-3342</issn><publisher><publisher-name xml:lang="en">Tambov State University - G.R. Derzhavin</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">297326</article-id><article-id pub-id-type="doi">10.20310/2686-9667-2019-24-128-368-375</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">Razlozhenie granichnykh predstavleniy na ploskosti Lobachevskogo v secheniyakh lineynykh rassloeniy</article-title><trans-title-group xml:lang="ru"><trans-title>Разложение граничных представлений на плоскости Лобачевского в сечениях линейных расслоений</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grosheva</surname><given-names>Larisa I.</given-names></name><name xml:lang="ru"><surname>Грошева</surname><given-names>Лариса Игоревна</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Physics and Mathematics, Associate Professor of the Functional Analysis Department</p></bio><bio xml:lang="ru"><p>кандидат физико-математических наук, доцент кафедры функционального анализа</p></bio><email>gligli@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Derzhavin Tambov State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Тамбовский государственный университет им. Г.Р. Державина»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-01-10" publication-format="electronic"><day>10</day><month>01</month><year>2020</year></pub-date><volume>24</volume><issue>128</issue><issue-title xml:lang="en">VOL 24, NO128 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 24, №128 (2019)</issue-title><fpage>368</fpage><lpage>375</lpage><history><date date-type="received" iso-8601-date="2025-06-20"><day>20</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Grosheva L.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Грошева Л.И.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Grosheva L.I.</copyright-holder><copyright-holder xml:lang="ru">Грошева Л.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rcsi.science/2686-9667/article/view/297326">https://journals.rcsi.science/2686-9667/article/view/297326</self-uri><abstract xml:lang="en"><p>Earlier we described canonical (labelled by λ ∈C ) and accompanying boundary representations of the group G = SU (1,1) on the Lobachevsky plane D in sections of linear bundles and decomposed canonical representations into irreducible ones. Now we decompose representations acting on distributions concentrated at the boundary of D . In the generic case 2λ ∉N they are diagonalizable, in the exceptional case Jordan blocks appear.</p></abstract><trans-abstract xml:lang="ru"><p>Ранее мы описали канонические и граничные представления группы G = SU(1,1) на плоскости Лобачевского в сечениях линейных расслоений (они нумеруются комплексными числами λ ) и разложили канонические представления на неприводимые. Сейчас мы разлагаем представления, действующие в обобщенных функциях, сосредоточенных на границе. В общем случае 2 λ ∉N они диагонализуемы, в исключительном случае появляются жордановы клетки.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Lobachevsky plane</kwd><kwd>canonical representations</kwd><kwd>distributions</kwd><kwd>boundary representations</kwd><kwd>Poisson transforms</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>плоскость Лобачевского</kwd><kwd>канонические представления</kwd><kwd>обобщенные функции</kwd><kwd>граничные представления</kwd><kwd>преобразования Пуассона</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>V.F. Molchanov, L.I. Grosheva, “Canonical and boundary representations on the Lobachevsky plane”, Acta Appl. Math., 73 (2002), 59-77.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>L.I. Grosheva, “Canonical representations on sections of linear bundles on the Lobachevsky plane”, Tambov University Reports. Series: Natural and Technical Sciences, 12:4 (2007), 436- 438 c r os s r ef.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>L.I. Grosheva, “Canonical and boundary representations on the Lobachevsky plane associated with linear bundles”, Tambov University Reports. Series: Natural and Technical Sciences, 22:6 (2017), 1218-1228 c r os s r ef.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>L.I. Grosheva, “Decomposition of canonical representations on the Lobachevsky plane associated with linear bundles”, Tambov University Reports. Series: Natural and Technical Sciences, 23:122 (2018), 113-124 c r os s r ef</mixed-citation></ref></ref-list></back></article>
