14 citations · 69 across the 33 of their papers we have counts for
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math.NT2006★ 1 cited
On a special congruence of Carlitz
Sandro Mattarei
We prove that if is a power of a prime and divides , with , then \[ 1+(q-1)\sum_{0\le b(q-1)<a} \binom{a}{b(q-1)}\equiv 0\pmod{p^{k+1}}. \] The special cas…
math.NT2006★ 1 cited
Root multiplicities and number of nonzero coefficients of a polynomial
Sandro Mattarei
It is known that the weight (that is, the number of nonzero coefficients) of a univariate polynomial over a field of characteristic zero is larger than the multiplicity of any of i…