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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-110@lptms.universite-paris-saclay.fr
DTSTART:20130211T123000Z
DTEND:20130211T131500Z
DTSTAMP:20130418T124216Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/journal-club-du-l
 ptms-ricardo-marino/
SUMMARY:Journal Club du LPTMS: Ricardo Marino - LPTMS\, salle 201\, 2ème 
 étage\, Bât 100\, Campus d'Orsay - 11 Fév 13 12:30
DESCRIPTION:Temporal Effects in the Growth of Networks\nRicardo Marino\, Ph
 D student LPTMS\nThis article explores a very interesting model in random 
 graphs for preferential attachment with time-decaying properties\, ideal f
 or problems in which "popularity" decays over time (for instance\, article
  citations).\nhttp://prl.aps.org/abstract/PRL/v107/i23/e238701\nMatúš Me
 do\, Giulio Cimini\, and Stanislao Gualdi\nAbstract of the article : We sh
 ow that to explain the growth of the citation network by preferential atta
 chment (PA)\, one has to accept that individual nodes exhibit heterogeneou
 s fitness values that decay with time. While previous PA-based models assu
 med either heterogeneity or decay in isolation\, we propose a simple analy
 tically treatable model that combines these two factors. Depending on the 
 input assumptions\, the resulting degree distribution shows an exponential
 \, log-normal or power-law decay\, which makes the model an apt candidate 
 for modeling a wide range of real systems.
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
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