24 citations · 285 across the 74 of their papers we have counts for
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math.CO2005★ 17 cited
The lengths of Hermitian Self-Dual Extended Duadic Codes
Lilibeth Dicuangco, Pieter Moree, Patrick Sole
Duadic codes are a class of cyclic codes that generalizes quadratic residue codes from prime to composite lengths. For every prime power q, we characterize the integers n such that…
math.NT2005★ 1 cited
Counting carefree couples
Pieter Moree
A pair of natural numbers (a,b) such that a is both squarefree and coprime to b is called a carefree couple. A result conjectured by Manfred Schroeder (in his book `Number theory i…
math.NT2005★ 2 cited
Improvement of an estimate of H. Mueller involving the order of 2(mod u) II
Pieter Moree
Let m>=1 be an arbitrary fixed integer and let N_m(x) count the number of odd integers u<=x such that the order of 2 modulo u is not divisible by m. In case m is prime estimates fo…