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SUMMARY:Moduli of rational homotopy types
DTSTART:20121102T141500
DTEND:20121102T153000
DTSTAMP:20260604T125332Z
UID:5052fc4724144d52dfa33afd469d8346a154f7aa2145212727f98907
CATEGORIES:Conferences - Seminars
DESCRIPTION:Michael Schlessinger (UNC-Chapel Hill)\nThe set of nilpotent r
 ational homotopy spaces with given cohomology algebra H forms a "moduli sp
 ace".  In fact\, it has the form M = Aut H\\ W /U\, where W is the cone o
 ver a projective algebraic variety\, and U is a unipotent algebraic groupo
 id.  We outline the construction\, which proceeds from the observation th
 at W is the base of the "miniversal deformation" of the formal space F wit
 h cohomology H. We also relate the construction to the classifying space B
 Aut(F) and give examples and problems.
LOCATION:MA 10
STATUS:CONFIRMED
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