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UID:20260622T005826EDT-2466VNcDHm@132.216.98.100
DTSTAMP:20260622T045826Z
DESCRIPTION:Coalescence of eigenvalues for symmetric and Hermitian matrix f
 unctions\n\nIn this talk we consider real symmetric and complex Hermitian 
 matrices depending on parameters\, and are interested in detecting coalesc
 ence of their eigenvalues and locating where it occurs. This is an old pro
 blem (it traces back to a celebrated paper of von Neumann and Wigner (1929
 )) that has received much attention in various fields such as Physics\, Ch
 emistry and Engineering. We address both theoretical and numerical aspects
  of the problem\, starting from the case of full 'general' matrices and th
 en moving to that of more structured (e.g. banded) matrices.RésuméIn this 
 talk we consider real symmetric and complex Hermitian matrices depending o
 n parameters\, and are interested in detecting coalescence of their eigenv
 alues and locating where it occurs. This is an old problem (it traces back
  to a celebrated paper of von Neumann and Wigner (1929)) that has received
  much attention in various fields such as Physics\, Chemistry and Engineer
 ing. We address both theoretical and numerical aspects of the problem\, st
 arting from the case of full 'general' matrices and then moving to that of
  more structured (e.g. banded) matrices.RésuméIn this talk we consider rea
 l symmetric and complex Hermitian matrices depending on parameters\, and a
 re interested in detecting coalescence of their eigenvalues and locating w
 here it occurs. This is an old problem (it traces back to a celebrated pap
 er of von Neumann and Wigner (1929)) that has received much attention in v
 arious fields such as Physics\, Chemistry and Engineering. We address both
  theoretical and numerical aspects of the problem\, starting from the case
  of full 'general' matrices and then moving to that of more structured (e.
 g. banded) matrices.\n
DTSTART:20181112T210000Z
DTEND:20181112T220000Z
LOCATION:Room 1104\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Alessandro Pugliese\, University of Bari
URL:/mathstat/channels/event/alessandro-pugliese-unive
 rsity-bari-291487
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