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UID:684a8b9b7faaa
DTSTAMP:20250612T041107
DTSTART:20120921T160000
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TRANSP:OPAQUE
DTEND:20120921T160000
URL:https://murmitoyen.com/events/vanille/udem/detail/149392
LOCATION:Université de Montréal - Pavillon André-Aisenstadt\, 2920\, che
 min de la Tour\, Montréal\, QC\, Canada\, H3T 1N8
SUMMARY:Geometry of complex surface singularities
DESCRIPTION:Conférencier/Speaker  : Walter Neumann\, Barnard College\, Col
 umbia University Titre/Title  : Geometry of complex surface singularities 
 Resume/Abstract  : A complex variety has two intrinsic metric space struct
 ures in the neighborhood of any point ('inner' and 'outer' metric) which a
 re uniquely determined from the complex structure up to bilipschitz change
  of the metric (changing distances by at most a constant factor). In dimen
 sion 1 the inner metric (given by minimal arc-length within the variety) c
 arries no interesting information\, and it is only very recently\, startin
 g with a 2008 paper of Birbrair and Fernandes\, that it has become clear h
 ow rich metric information is in higher dimensions. Dimension 2 is now ver
 y well understood through work of Birbrair\, Pichon and the speaker. The t
 alk will give an overview of this work and some applications.Colloque de m
 athématiques de Montréal CRM - ISMOrganisateurs/OrganizersMikael Pichot 
 (McGill)Iosif Polterovich (uMontreal)
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