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SUMMARY:A semi-algebraic look at Sequential Quadratic Programming (SQP) 
DTSTART:20151109T151500
DTEND:20151109T160000
DTSTAMP:20260407T051104Z
UID:4c3d76d0fdca4f91eab60ec7e33484757f6e247a836f5dd8d806bd2f
CATEGORIES:Conferences - Seminars
DESCRIPTION:Professor Jérôme Bolte\nThe study of the behaviour of sequen
 ces generated by Sequential Quadratic Programming (SQP) or Sequential Conv
 ex Programming method (SCP) is a difficult matter: sequences can oscillate
 \, active constraints seem to have an unpredictable behaviour\, cluster po
 ints are most of the time KKT points but oscillations can still occur\, va
 lue convergence can be arbitrarily slow... All these counter-intuitive phe
 nomena can occur with indefinitely smooth data and nice qualification cond
 itions\, yet they do not occur in real life save perhaps because of some n
 umerical obstruction.\nHow can we explain this discrepancy between theory 
 and practice?\nThe object of this talk is to show that semi-algebraicity (
 subanalyticity/definability) gives an elegant answer to this apparent cont
 radiction.\nJoint work with E. Pauwels (Toulouse\, France)\nLausanne\, 3 N
 ovember 2015/DK/ag
LOCATION:MAA112
STATUS:CONFIRMED
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