2 papers
cs.LO2019
Approximation of subsets of natural numbers by c.e. sets
Mohsen Mansouri, Farzad Didehvar
The approximation of natural numbers subsets has always been one of the fundamental issues in computability theory. Computable approximation, -approximation, as well as introd…
cs.FL2012
How much could we cover a set by c.e sets?
Farzad Didehvar, Mohsen Mansouri, Zahra Taheri
"How much c.e. sets could cover a given set?" in this paper we are going to answer this question. Also, in this approach some old concepts come into a new arrangement. The major go…