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Эта публикация цитируется в 14 научных статьях (всего в 14 статьях)
On $q$-Deformations of the Heun Equation
Kouichi Takemura Department of Mathematics, Faculty of Science and Engineering, Chuo University,
1-13-27 Kasuga, Bunkyo-ku Tokyo 112-8551, Japan
Аннотация:
The $q$-Heun equation and its variants arise as degenerations of Ruijsenaars–van Diejen operators with one particle. We investigate local properties of these equations. In particular we characterize the variants of the $q$-Heun equation by using analysis of regular singularities. We also consider the quasi-exact solvability of the $q$-Heun equation and its variants. Namely we investigate finite-dimensional subspaces which are invariant under the action of the $q$-Heun operator or variants of the $q$-Heun operator.
Ключевые слова:
Heun equation; $q$-deformation; regular singularity; quasi-exact solvability; degeneration.
Поступила: 18 января 2018 г.; в окончательном варианте 29 мая 2018 г.; опубликована 18 июня 2018 г.
Образец цитирования:
Kouichi Takemura, “On $q$-Deformations of the Heun Equation”, SIGMA, 14 (2018), 061, 16 pp.
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/sigma1360 https://www.mathnet.ru/rus/sigma/v14/p61
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