A comparison Theorem for matrix limitation methods is proved and the following applications are given: - new results concerning the comparison between weighted densities generated by different weights; - new results concerning the comparison between weighted densities of a set $E \subseteq N^*$ and those of its transformed set $\pi(E)$, where $\pi$ is a given injective function $N^*\to^* ! N¤$. In particular, a new class of permutations preserving the asymptotic density is identified.
Autori interni: | ||
Autori: | Giuliano Antonini R.; Pasteka M. | |
Titolo: | A comparison Theorem for matrix limitation methods with applications | |
Anno del prodotto: | 2006 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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