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SUMMARY:Cosmology Meets Cohomology
DTSTART:20230913T110000Z
DTEND:20230913T130000Z
DTSTAMP:20260827T095200Z
UID:indico-event-407@indico.hiskp.uni-bonn.de
DESCRIPTION:Speakers: Andrzej Pokraka (Brown University)\n\nThe cosmologic
 al polytope and bootstrap programs have revealed interesting connections b
 etween positive geometries\, modern on-shell methods and bootstrap princip
 les studied in the amplitudes community with the wavefunction of the unive
 rse in toy models of FRW cosmologies. To compute these FRW correlators\, 
 one often needs to evaluate integrals that are too difficult to perform by
  direct integration. The method of (canonical) differential equations prov
 ides an efficient alternative for evaluating these integrals. Moreover\, 
 we further develop our geometric understanding of these integrals by descr
 ibing the associated relative twisted cohomology. We provide an algorithm 
 to predict the basis size of FRW integrals and simplify the computation of
  the their differential equations.\n\nhttps://indico.hiskp.uni-bonn.de/eve
 nt/407/
LOCATION:Wegelerstraße 10/2.019 (PI) - Seminar Room BCTP I (PI)
URL:https://indico.hiskp.uni-bonn.de/event/407/
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