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SUMMARY:Oliver Lorscheid (Impa)
DTSTART:20200807T140000Z
DTEND:20200807T150000Z
DTSTAMP:20260423T021011Z
UID:LAGARTOS/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LAGARTOS/3/"
 >Towards a cohomological understanding of the tropical Riemann--Roch theor
 em</a>\nby Oliver Lorscheid (Impa) as part of (LAGARTOS) Latin American Re
 al and Tropical Geometry Seminar\n\n\nAbstract\nIn this talk\, we outline 
 a program of developing a cohomological\nunderstanding of the tropical Rie
 mann--Roch theorem and discuss the first\nestablished steps in detail. In 
 particular\, we highlight the role of the\ntropical hyperfield and explain
  why ordered blue schemes provide a\nsatisfying framework for tropical sch
 eme theory.\n\nIn the last part of the talk\, we turn to the notion of mat
 roid bundles\,\nwhich we hope to be the right tool to set up sheaf cohomol
 ogy for\ntropical schemes. This is based on a joint work with Matthew Bake
 r.\n
LOCATION:https://researchseminars.org/talk/LAGARTOS/3/
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