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UID:6310@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20211007T140000
DTEND;TZID=Europe/Paris:20211007T150000
DTSTAMP:20250118T132958Z
URL:https://www.i2m.univ-amu.fr/evenements/t2-stratifications/
SUMMARY:Pablo CUBIDES KOVACSICS (Universität Düsseldorf): t2-stratificati
 ons
DESCRIPTION:Pablo CUBIDES KOVACSICS: Stratifications are a classical tool t
 o study singularities of real and complex algebraic varieties. Working in 
 a larger field extension equipped with a valuation\, I. Halupczok introduc
 ed a valuative variant which he called t-stratifications. He proved their 
 existence and showed how they can be used to recover Whitney stratificatio
 ns over the real and the complex numbers. In a joint work with I. Halupczo
 k\, we introduced a strengthening of the notion of t-stratification\, whic
 h we call t2-stratifications. We proved their existence over algebraically
  closed valued fields and show how they induce the existence of Lipschitz 
 stratifications of complex algebraic varieties.\nThe aim of this talk is t
 o introduce both t and t2-stratifications \, motivated by their relation w
 ith the above mentioned classical notions. If time permits\, I will say a 
 bit more about stronger variants arising in a similar framework.\n&nbsp\;
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 021/10/Pablo_Cubides_Kovacsics.jpg
CATEGORIES:Groupe de travail,Singularités,Virtual event
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