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UID:news924@dmi.unibas.ch
DTSTAMP;TZID=Europe/Zurich:20191112T123824
DTSTART;TZID=Europe/Zurich:20191126T103000
SUMMARY:Seminar Algebra and Geometry: Carlos Amendola (University of Munich
 )
DESCRIPTION:We study the maximum likelihood estimation problem for several 
 classes of toric Fano models. We start by exploring the maximum likelihood
  degree for all 2-dimensional Gorenstein toric Fano varieties. We show tha
 t the ML degree is equal to the degree of the surface in every case except
  for the quintic del Pezzo surface with two singular points of type A1 and
  provide explicit expressions that allow to compute the maximum likelihood
  estimate in closed form whenever the ML degree is less than 5. We then ex
 plore the reasons for the ML degree drop using A-discriminants and interse
 ction theory. Based on joint work with Dimitra Kosta and Kaie Kubjas.
X-ALT-DESC:We study the maximum likelihood estimation problem for several c
 lasses of toric Fano models. We start by exploring the maximum likelihood 
 degree for all 2-dimensional Gorenstein toric Fano varieties. We show that
  the ML degree is equal to the degree of the surface in every case except 
 for the quintic del Pezzo surface with two singular points of type A1 and 
 provide explicit expressions that allow to compute the maximum likelihood 
 estimate in closed form whenever the ML degree is less than 5. We then exp
 lore the reasons for the ML degree drop using A-discriminants and intersec
 tion theory. Based&nbsp\;on joint work with Dimitra Kosta and Kaie Kubjas.
  
DTEND;TZID=Europe/Zurich:20191126T120000
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