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math.PR2008★ 2 cited
On independent sets in purely atomic probability spaces with geometric distribution
Eugen J. Ionascu, Alin A. Stancu
We are interested in constructing concrete independent events in purely atomic probability spaces with geometric distribution. Among other facts we prove that there are uncountable…
math.NT2008★ 1 cited
Minimal Niven numbers
H. Fredricksen, E. J. Ionascu, F. Luca +1
Define a(k,q) to be the smallest positive multiple of k such that the sum of its digits in base q is equal to k. The asymptotic behavior, lower and upper bound estimates of a(k,q)…