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SUMMARY:Christin Bibby (Louisiana State University)
DTSTART:20230420T190000Z
DTEND:20230420T200000Z
DTSTAMP:20260423T024739Z
UID:Matroids/51
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Matroids/51/
 ">Matroid schemes and geometric posets</a>\nby Christin Bibby (Louisiana S
 tate University) as part of Matroids - Combinatorics\, Algebra and Geometr
 y Seminar\n\nLecture held in Room 210 The Fields Institute.\n\nAbstract\nT
 he intersection data of an arrangement of hyperplanes is described by a ge
 ometric lattice\, or equivalently a simple matroid. There is a rich interp
 lay between this combinatorial structure and the topology of the arrangeme
 nt complement. In this talk\, we will similarly characterize the combinato
 rial structure underlying certain arrangements of subvarieties by defining
  a class of geometric posets and a generalization of matroids called matro
 id schemes. We will discuss some notions from matroid theory which extend 
 to this setting and touch on the topological implications of this framewor
 k.\n
LOCATION:https://researchseminars.org/talk/Matroids/51/
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