A+ CATEGORY SCIENTIFIC UNIT

Carmichael numbers composed of primes from a Beatty sequence

Volume 125 / 2011

William D. Banks, Aaron M. Yeager Colloquium Mathematicum 125 (2011), 129-137 MSC: Primary 11N25; Secondary 11N13, 11B83. DOI: 10.4064/cm125-1-9

Abstract

Let $\alpha,\beta\in\mathbb R$ be fixed with $\alpha>1$, and suppose that $\alpha$ is irrational and of finite type. We show that there are infinitely many Carmichael numbers composed solely of primes from the non-homogeneous Beatty sequence $\mathscr B_{\alpha,\beta}=(\lfloor{\alpha n+\beta}\rfloor)_{n=1}^\infty$. We conjecture that the same result holds true when $\alpha$ is an irrational number of infinite type.

Authors

  • William D. BanksDepartment of Mathematics
    University of Missouri
    Columbia, MO 65211, U.S.A.
    e-mail
  • Aaron M. YeagerDepartment of Mathematics
    University of Missouri
    Columbia, MO 65211, U.S.A.
    \emailaut2{amydm6@mail.missouri.edu
    e-mail

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