On Helly numbers of exponential lattices

Autor: Ambrus, Gergely, Balko, Martin, Frankl, Nóra, Jung, Attila, Naszódi, Márton

Given a set $S \subseteq \mathbb{R}^2$, define the \emph{Helly number of $S$}, denoted by $H(S)$, as the smallest positive integer $N$, if it exists, for which the following statement is true: for any finite family $\mathcal{F}$ of convex sets in~$\m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::360f8d864e8d9e538a97649ce48d888c
http://arxiv.org/abs/2301.04683

q-Classical polynomials and the q-Askey and Nikiforov–Uvarov tableaus

Autor: J. C. Medem, Renato Alvarez-Nodarse

Publikováno v: Journal of Computational and Applied Mathematics. 135:197-223

In this paper we continue the study of the q -classical (discrete) polynomials (in the Hahn's sense) started in Medem et al. (this issue, Comput. Appl. Math. 135 (2001) 157–196). Here we will compare our scheme with the well known q -Askey scheme a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28c3402aff9e4bf55091b501d27f50d3
https://doi.org/10.1016/s0377-0427(00)00585-9

On the q-polynomials: a distributional study

Autor: Renato Alvarez-Nodarse, J. C. Medem

Publikováno v: e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
instname
idUS. Depósito de Investigación de la Universidad de Sevilla

40 pages, no figures.-- MSC2000 codes: 33D15, 33D45, 33D90. MR#: MR1850540 (2003f:33027) Zbl#: Zbl 0991.33007 In this paper we present a unified distributional study of the classical discrete q-polynomials (in the Hahn's sense). From the distribution

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6669a7dec5cb9f2de68310cb507d5196
https://idus.us.es/xmlui/handle/11441/47714

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