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Found 215 Documents (Results 1–100)

\(q\)-Heun equation and initial-value space of \(q\)-Painlevé equation. (English) Zbl 1512.39004

Filipuk, Galina (ed.) et al., Recent trends in formal and analytic solutions of diff. equations. Virtual conference, University of Alcalá, Alcalá de Henares, Spain, June 28 – July 2, 2021. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 782, 119-142 (2023).
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Categories of symmetry groups of the space of solutions of the special doubly confluent Heun equation. (English. Russian original) Zbl 07455543

Math. Notes 110, No. 5, 643-654 (2021); translation from Mat. Zametki 110, No. 5, 643-657 (2021).
MSC:  20Fxx 34Mxx 33Cxx
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Ultradiscrete limit of the spectral polynomial of the \(q\)-Heun equation. (English) Zbl 1445.39005

Filipuk, Galina (ed.) et al., Complex differential and difference equations. Proceedings of the school and conference held at Będlewo, Poland, September 2–15, 2018. Berlin: De Gruyter. De Gruyter Proc. Math., 297-312 (2020).
MSC:  39A13 39A12 33E30
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Signal processing, orthogonal polynomials, and Heun equations. (English) Zbl 1443.33033

Foupouagnigni, Mama (ed.) et al., Orthogonal polynomials. Proceedings of the 2nd AIMS-Volkswagen Stiftung workshop on introduction to orthogonal polynomials and applications, Douala, Cameroon, October 5–12, 2018. Cham: Birkhäuser. Tutor. Sch. Workshops Math. Sci., 195-214 (2020).
MSC:  33C80 94A11
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On describing bound states for a spin 1 particle in the external Coulomb field. (English) Zbl 1406.33017

Balan, Vladimir (ed.) et al., Proceedings of the international conference on differential geometry and dynamical systems (DGDS-2017 ), University Politehnica of Bucharest, Bucharest, Romania, October 12–15, 2017. Bucharest: Geometry Balkan Press. BSG Proceedings 25, 59-78 (2018).
MSC:  33E10 34B30
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The Heun functions and their applications in astrophysics. (English) Zbl 1369.83056

Dobrev, Vladimir (ed.), Lie theory and its applications in physics. Selected papers based on the presentations at the 11th workshop, LT 11, Varna, Bulgaria, June 15–21, 2015. Singapore: Springer (ISBN 978-981-10-2635-5/hbk; 978-981-10-2636-2/ebook). Springer Proceedings in Mathematics & Statistics 191, 303-308 (2016).
MSC:  83C57 85A15 34A05
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Automorphisms of the solution spaces of special double-confluent Heun equations. (English. Russian original) Zbl 1360.34176

Funct. Anal. Appl. 50, No. 3, 176-192 (2016); translation from Funkts. Anal. Prilozh. 50, No. 3, 12-33 (2016).
MSC:  34M03 34M35
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