Second degree semi-classical forms of cl
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Driss Beghdadi
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Article
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2000
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Elsevier Science
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English
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A form (linear functional) u is called regular if there exists a sequence of polynomials {P n } n 0 , deg P n = n, which is orthogonal with respect to u. Such a form is said to be semi-classical, if there exist two polynomials ฮฆ and ฮจ such that (ฮฆu) + ฮจ u = 0. Now, this form is said to be of second