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pro vyhledávání: '"Villano, Java Darleen"'
The Ginsburg--Sands theorem from topology states that every infinite topological space has an infinite subspace homeomorphic to exactly one of the following five topologies on $\omega$: indiscrete, discrete, initial segment, final segment, and cofini
Externí odkaz:
http://arxiv.org/abs/2402.05990
Autor:
Villano, Java Darleen
A computable graph $\mathcal{G}$ is computably categorical relative to a degree $\mathbf{d}$ if and only if for all $\mathbf{d}$-computable copies $\mathcal{B}$ of $\mathcal{G}$, there is a $\mathbf{d}$-computable isomorphism $f:\mathcal{G}\to\mathca
Externí odkaz:
http://arxiv.org/abs/2401.06641
Normal numbers were introduced by Borel. Normality is certainly a weak notion of randomness; for instance, there are computable numbers which are absolutely normal. In the present paper, we introduce a relativization of normality to a fixed represent
Externí odkaz:
http://arxiv.org/abs/2312.10204