Abstract
We discuss some algebraic and analytic properties of a general class of orthogonal polyanalytic polynomials, including their operational formulas, recurrence relations, generating functions, integral representations and different orthogonality identities. We establish their connection and rule in describing the \(L^2\)-spectral theory of some special second order differential operators of Laplacian type acting on the \(L^2\)-Gaussian Hilbert space on the whole complex plane. We will also show their importance in the theory of the so-called rank-one automorphic functions on the complex plane. In fact, a variant subclass leads to an orthogonal basis of the corresponding \(L^2\)-Gaussian Hilbert space on the strip \({\mathbb {C}}/{\mathbb {Z}}\).
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Benahmadi, A., Ghanmi, A. On a Novel Class of Polyanalytic Hermite Polynomials. Results Math 74, 186 (2019). https://doi.org/10.1007/s00025-019-1110-z
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DOI: https://doi.org/10.1007/s00025-019-1110-z
Keywords
- Holomorphic Hermite polynomial
- polyanalytic complex Hermite polynomial
- generating function
- orthogonality relation
- integral representation
- polyanalytic functions
- rank-one autmorphic theta functions