Mean mutual information and symmetry breaking for finite random fields
Annales de l'I.H.P. Probabilités et statistiques (2012)
- Volume: 48, Issue: 2, page 343-367
- ISSN: 0246-0203
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topBuzzi, J., and Zambotti, L.. "Mean mutual information and symmetry breaking for finite random fields." Annales de l'I.H.P. Probabilités et statistiques 48.2 (2012): 343-367. <http://eudml.org/doc/272043>.
@article{Buzzi2012,
abstract = {G. Edelman, O. Sporns and G. Tononi have introduced the neural complexity of a family of random variables, defining it as a specific average of mutual information over subfamilies. We show that their choice of weights satisfies two natural properties, namely invariance under permutations and additivity, and we call any functional satisfying these two properties an intricacy. We classify all intricacies in terms of probability laws on the unit interval and study the growth rate of maximal intricacies when the size of the system goes to infinity. For systems of a fixed size, we show that maximizers have small support and exchangeable systems have small intricacy. In particular, maximizing intricacy leads to spontaneous symmetry breaking and lack of uniqueness.},
author = {Buzzi, J., Zambotti, L.},
journal = {Annales de l'I.H.P. Probabilités et statistiques},
keywords = {entropy; mutual information; complexity; discrete probability; exchangeable random variables; neural complexity},
language = {eng},
number = {2},
pages = {343-367},
publisher = {Gauthier-Villars},
title = {Mean mutual information and symmetry breaking for finite random fields},
url = {http://eudml.org/doc/272043},
volume = {48},
year = {2012},
}
TY - JOUR
AU - Buzzi, J.
AU - Zambotti, L.
TI - Mean mutual information and symmetry breaking for finite random fields
JO - Annales de l'I.H.P. Probabilités et statistiques
PY - 2012
PB - Gauthier-Villars
VL - 48
IS - 2
SP - 343
EP - 367
AB - G. Edelman, O. Sporns and G. Tononi have introduced the neural complexity of a family of random variables, defining it as a specific average of mutual information over subfamilies. We show that their choice of weights satisfies two natural properties, namely invariance under permutations and additivity, and we call any functional satisfying these two properties an intricacy. We classify all intricacies in terms of probability laws on the unit interval and study the growth rate of maximal intricacies when the size of the system goes to infinity. For systems of a fixed size, we show that maximizers have small support and exchangeable systems have small intricacy. In particular, maximizing intricacy leads to spontaneous symmetry breaking and lack of uniqueness.
LA - eng
KW - entropy; mutual information; complexity; discrete probability; exchangeable random variables; neural complexity
UR - http://eudml.org/doc/272043
ER -
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