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X-WR-CALNAME:[gt.go] - 'Distinguishing classes of intersection graphs of ho
 mothets or similarities of two convex disks' by Bartosz Walczak
X-WR-TIMEZONE:Europe/Paris
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TZID:Europe/Paris
TZUNTIL:20231029T010000Z
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DTSTART:20201025T030000
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RDATE:20211031T030000
RDATE:20221030T030000
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DESCRIPTION:/Exposé en anglais/Talk in english/ \n\nFor smooth convex disks
  A \, i.e.\, convex compact subsets of the plane with non-empty interior\,
  we classify the classes G hom (A) and G sim (A) of intersection graphs th
 at can be obtained from homothets and similarities of A \, respectively. N
 amely\, we prove that G hom (A)= G hom (B) if and only if A and B are affi
 ne equivalent\, and G sim (A)= G sim (B) if and only if A and B are simila
 r. \n\nJoint work with Mikkel Abrahamsen. \n\n\n[Bartosz Walczak] (Univers
 ité Jagellon) \n\n[ https://www.tcs.uj.edu.pl/walczak | https://www.tcs.uj
 .edu.pl/walczak ] \n\n\n{Remarques/Remarks} \n\n▼ \nCet exposé sera enregi
 stré\, merci de désactiver votre webcam et micro si vous ne souhaitez pas 
 apparaître sur l'enregistrement. Les échanges informels avant et après l'e
 xposé\, ainsi que les questions\, ne seront pas enregistrés. \n\nN'hésitez
  pas à venir un peu avant le début de l'exposé pour faire des tests (et di
 scuter informellement). Nous auront également des discussions informelles 
 post-GT. \n\nÀ très bientôt\, \n\nClaire\, Marthe & Jonathan \n\nRetrouvez
  toutes les informations du GT dématérialisé sur https://combalgo.labri.fr
 /pmwiki.php/Groupe/GT-en-LIGNE \n\n\n▼ \nThis presentation will be recorde
 d\, please deactivate your webcam and microphone if you do not wish to app
 ear on the recording. Informal exchanges before and after the presentation
 \, as well as questions\, will not be recorded. \n\nDo not hesitate to com
 e a little before the start of the presentation to test (and chat informal
 ly). We will also have informal post-working group discussions. \n\nSee yo
 u soon\, \n\nClaire\, Marthe & Jonathan \n\nFind all the information of th
 e dematerialized working group on the web page https://combalgo.labri.fr/p
 mwiki.php/Groupe/GT-en-LIGNE
DTSTART;TZID=Europe/Paris:20211022T140000
DTEND;TZID=Europe/Paris:20211022T150000
LOCATION:A30/178 et sur https://u-bordeaux-fr.zoom.us/j/4939941120
SEQUENCE:0
SUMMARY:[gt.go] - 'Distinguishing classes of intersection graphs of homothe
 ts or similarities of two convex disks' by Bartosz Walczak
TRANSP:OPAQUE
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