Some Criteria for Class Numbers to Be Non-One

Ahmad Issa, Hasan Sankari and Li Guo

Journal of Mathematics, 2020, vol. 2020, 1-5

Abstract: Let d be a positive integer which is not a perfect square and n be any nonzero fixed integer. Then, the equation x2−dy2=n is known as the general Pell equation. In this paper, we give some criteria for class numbers of certain real quadratic fields to be greater than one, depending on the solvability of the general Pell equation, ideals in quadratic orders, and the period length of the simple continued fraction expansions of d.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:5672983

DOI: 10.1155/2020/5672983

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