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SUMMARY:Abramo Hefez\, Steven Kleiman\, Michelle Morgado\, Marcelo Saia\, 
 José Seade\, Otoniel Nogueira da Silva
DTSTART:20210609T183000Z
DTEND:20210609T200000Z
DTSTAMP:20260423T024507Z
UID:BRAG/50
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/BRAG/50/">An
  afternoon of algebraic geometry in memory of Roberto Bedregal</a>\nby Abr
 amo Hefez\, Steven Kleiman\, Michelle Morgado\, Marcelo Saia\, José Seade
 \, Otoniel Nogueira da Silva as part of Brazilian algebraic geometry semin
 ar\n\n\nAbstract\nwe convene for a special edition of the BRAG (Brazilian 
 Algebraic Geometry Seminar) session in honor of our friend and colleague R
 oberto Callejas-Bedregal\, who passed away on 6 April of this year. We wil
 l have 15 minute lectures given by Abramo Hefez (UFF)\, Steven Kleiman (MI
 T)\, Michelle Morgado (Unesp)\, Marcelo José Saia (UFSCar)\, José Seade 
 (UNAM) and Otoniel Nogueira da Silva (UNAM)\, along with testimonials from
  Roberto's students\, friends and colleagues.\n\n-- xx -- xx --\n\n1 - Abr
 amo Hefez: The mathematical trajectory of Roberto Bedregal Abstract:\nThe 
 aim of this short talk is to sketch Bedregal's journey towards his mathema
 tical achievements.\n\n\n-- xx -- xx --\n\n2 - Steve Kleiman: Roberto's MI
 T Thesis\nTo begin\, some introductory remarks are made about how Roberto\
 ncame to study at MIT and to develop the first purely algebraic treatment\
 nof the Whitney Conditions.  Then the main result of his thesis is\nstated
 \, and its terms\, explained.  Finally\, an inkling is given of the\nimpor
 t of the Whitney Conditions.\n\n-- xx -- xx --\n\n3 - José Seade: Chern c
 lasses for singular varieties.\nI will speak about some of the joint work 
 I did recently with Roberto Callejas-Bedregal and Michelle Morgado\, about
  Chern classes of singular varieties.\n\n-- xx -- xx --\n\n4 - Michelle Mo
 rgado: Lê cycles\n\n-- xx -- xx --\n\n5 - Marcelo José Saia: On Segre nu
 mbers of homogeneous map germs\n\n-- xx -- xx --\n\n6 - Otoniel Nogueira d
 a Silva: Equisingularity of families of map germs and Ruas's Conjecture\n\
 n-- xx -- xx --\n\n7 - Presentation of a video made by Roberto's students.
 \n
LOCATION:https://researchseminars.org/talk/BRAG/50/
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