## Found 27 Documents (Results 1–27)

100
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### Properties of shape-invariant tridiagonal Hamiltonians. (English. Russian original)Zbl 1445.81027

Theor. Math. Phys. 203, No. 3, 761-779 (2020); translation from Teor. Mat. Fiz. 203, No. 3, 380-400 (2020).
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### Chebyshev polynomials of the second kind via raising operator preserving the orthogonality. (English)Zbl 1413.33013

MSC:  33C45 42C05
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### Hermite polynomials and Hahn’s theorem with respect to the raising operator. (English)Zbl 1382.33015

MSC:  33C45 42C05
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### Characterization of Laguerre polynomials as orthogonal polynomials connected by the Laguerre degree raising shift operator. (English)Zbl 1381.33012

MSC:  33C45 42C05
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### On a discrete number operator associated with the 5D discrete Fourier transform. (English)Zbl 1355.39027

Pinelas, Sandra (ed.) et al., Differential and difference equations with applications. ICDDEA, Amadora, Portugal, May 18–22, 2015. Selected contributions. Cham: Springer (ISBN 978-3-319-32855-3/hbk; 978-3-319-32857-7/ebook). Springer Proceedings in Mathematics & Statistics 164, 273-292 (2016).
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### Functions of the second kind for classical polynomials. (English)Zbl 1285.33013

MSC:  33D45 33C45
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### Classical orthogonal polynomials with respect to a lowering operator generalizing the Laguerre operator. (English)Zbl 1279.33012

MSC:  33C45 42C05
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### Some relations satisfied by orthogonal matrix polynomials. (English)Zbl 1229.33012

MSC:  33C45 15A60

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### Superalgebra and harmonic oscillator with constant positive curvature. (English)Zbl 1136.81363

MSC:  81Q05 81Q60 81Q10
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### Differential equations for multiple orthogonal polynomials with respect to classical weights: raising and lowering operators. (English)Zbl 1097.33004

MSC:  33C45 42C05 33E30
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### Differential coefficients of orthogonal matrix polynomials. (English)Zbl 1100.42017

MSC:  42C05 33E30 39B42
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### Ladder operators for the associated Laguerre functions. (English)Zbl 1081.33013

MSC:  33C45 34L40 81R30
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### Young raising operators and $$Q$$-functions. (English)Zbl 0803.05053

MSC:  05E05 05E10

### Conformal symmetries and generalized recurrences for heat and Schrödinger equations in one spatial dimension. (English)Zbl 0763.35025

Mechanics, analysis and geometry: 200 years after Lagrange, 237-256 (1991).
MSC:  35J10 58J70 35K10

### Application of generalised Bessel’s partial differential equations. (English)Zbl 0681.33009

Reviewer: A.Kaneko
MSC:  33C10 33C80

### The matrix representations of $${\mathfrak g}_ 2$$. II: Representations in an $${\mathfrak su}(3)$$ basis. (English)Zbl 0654.17005

Reviewer: G.Czichowski
MSC:  17B10 17B25
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### The matrix representations of $${\mathfrak g}_ 2$$. I: Representations in an $${\mathfrak so}(4)$$ basis. (English)Zbl 0654.17004

Reviewer: G.Czichowski
MSC:  17B10 17B25
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### Raising operators and Young’s rule. (English)Zbl 0626.20004

Combinatoire énumérative, Proc. Colloq., Montréal/Can. 1985, Lect. Notes Math. 1234, 91-105 (1986).
Reviewer: D.M.Bressoud
MSC:  20C30 05A15

### Representations of sl(2,C) on posets and the Sperner property. (English)Zbl 0496.06004

MSC:  06A06 06B05 20G05
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