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UID:5711@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20230306T150000
DTEND;TZID=Europe/Paris:20230306T160000
DTSTAMP:20241120T200154Z
URL:https://www.i2m.univ-amu.fr/evenements/factor-balanced-s-adic-language
 s/
SUMMARY:Léo Poirier\, Wolfgang Steiner (ENS Lyon & IRIF\, Université Pari
 s Cité): Factor-balanced S-adic languages
DESCRIPTION:Léo Poirier\, Wolfgang Steiner: \nA set of words\, also called
  a language\, is letter-balanced if the number of occurrences of each lett
 er only depends on the length of the word\, up to a constant. Similarly\, 
 a language is factor-balanced if the difference of the number of occurrenc
 es of any given factor in words of the same length is bounded. The most pr
 ominent example of a letter-balanced but not factor-balanced language is g
 iven by the Thue-Morse sequence. We establish connections between the two 
 notions\, in particular for languages given by substitutions and\, more ge
 nerally\, by sequences of substitutions. We show that the two notions esse
 ntially coincide when the sequence of substitutions is proper. For the exa
 mple of Thue-Morse-Sturmian languages\, we give a full characterisation of
  factor-balancedness.\nhttps://arxiv.org/abs/2211.14076\n\nslides\n\nhttps
 ://www.youtube.com/watch?v=K3WZKlzSg84\n\n\n\nThe address of the Zoom meet
 ing is https://zoom.us/j/92245493528 . The password is distributed in anno
 uncements. If you want to receive them\, or receive them and want to unsub
 scribe\, please write to Anna Frid.\nMore info: https://www.i2m.univ-amu.f
 r/wiki/Combinatorics-on-Words-seminar/
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 023/03/Leo_Poirier-Rudolf_Steiner.jpg
CATEGORIES:Combinatorics on Words Seminar,Virtual event
LOCATION:Virtual event\, visioconférence\, virtual\, France
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 , France;X-APPLE-RADIUS=100;X-TITLE=Virtual event:geo:0,0
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