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Pragmatic entropy for finitely additive probabilities

Authors: Sgarro, Andrea;

Pragmatic entropy for finitely additive probabilities

Abstract

Si estende la definizione di entropia a distribuzioni di probabilità numerabili finitamente additive. L’impostazione scelta è pragmatica (fa uso di teoremi di codifica). L’entropia di una distribuzione di probabilità finitamente additiva in senso stretto viene posta pari a + infinto, poiché la corrispondente sorgen¬te stazionaria senza memoria non è comprimibile mediante codici-blocco; in effetti, a parte casi banali, le sorgenti finitamente additive in senso stretto non sono mai comprimibili mediante codici-blocco.

The definition of entropy is extended to countable fini¬tely additive probability distributions. The approach taken is pragmatic (makes use of coding theorems). The entropy of a properly finitely additive probability distribution is set equal to + infinite, because the corresponding stationary memoryless source is non-compressible through block-coding; as a matter of fact, apart from trivial cases, properly finitely additive sources are never compressible through block-coding.

Country
Italy
Related Organizations
Keywords

Measures of information, entropy, finitely additive probability distributions, Foundations of probability theory, entropy, block-coding

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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