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On x-coordinates of pell equations that are repdigits

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17310%2F18%3AA1901Y18" target="_blank" >RIV/61988987:17310/18:A1901Y18 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    On x-coordinates of pell equations that are repdigits

  • Original language description

    Let b ? 2 be a given integer. In this paper, we show that there are only finitely many positive integers d that are not squares, such that the Pell equation X2 ? dY 2 = 1 has two positive integer solutions (X, Y) with the property that their X-coordinates are base b-repdigits. Recall that a base b-repdigit is a positive integer whose digits have the same value when written in base b. We also give an upper bound on the largest such d in terms of b.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    10101 - Pure mathematics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    FIBONACCI QUART

  • ISSN

    0015-0517

  • e-ISSN

  • Volume of the periodical

    56

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    CA - CANADA

  • Number of pages

    11

  • Pages from-to

    52-62

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85043677191