3 papers
math.NT2026
Positivity of partial sums of a random multiplicative function and corresponding problems for the Legendre symbol
Petr Kucheriaviy
Let be a random completely multiplicative function such that with probabilities independently at each prime. We study the conditional probability, given…
math.AC2026
An analogue of Rogers' theorem on sieving in commutative rings
Petr Kucheriaviy
We prove that an analogue of Rogers' theorem on sieving holds for an order if and only if the order is a Dedekind domain. We also prove that it holds for a finite commutative ring…
math.NT2024
ErdÅs inequality for primitive sets
Petr Kucheriaviy
A set of natural numbers is called primitive if no element of divides any other. Let be the number of prime divisors of counted with multiplicity. Let $f_z(A) =…