<p>In their study of a binomial sum related to Wolstenholme’s theorem, Chamberland and Dilcher prove that the corresponding sequence modulo primes <i>p</i> satisfies congruences that are analogous to Lucas’ theorem for the binomial coefficients with the notable twist that there is a restriction on the <i>p</i>-adic digits. We prove a general result that shows that similar partial Lucas congruences are satisfied by all sequences representable as the constant terms of the powers of a multivariate Laurent polynomial.</p>

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Partial Lucas-type congruences

  • Armin Straub

摘要

In their study of a binomial sum related to Wolstenholme’s theorem, Chamberland and Dilcher prove that the corresponding sequence modulo primes p satisfies congruences that are analogous to Lucas’ theorem for the binomial coefficients with the notable twist that there is a restriction on the p-adic digits. We prove a general result that shows that similar partial Lucas congruences are satisfied by all sequences representable as the constant terms of the powers of a multivariate Laurent polynomial.