Su alcune masse fortemente atomiche

Authors

  • Enzo Barone
  • Domenico Lenzi

DOI:

https://doi.org/10.1285/i15900932v4n1p87

Abstract

In this paper we prove that if $\mu$ is a positive charge on ℕ such that every two-valued charge $? ≤ \mu$ determines a principal ultrafilter on ℕ, then for every $A⊂ ℕ$, the range $\mu (P(A))$ is a closed set.

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Published

01-01-1984

Issue

Volume 4, Issue 1 (1984)

Section

Articoli

License

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