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SUMMARY:Rodrigo Gondim (UFRPe)
DTSTART:20200812T183000Z
DTEND:20200812T200000Z
DTSTAMP:20260423T021706Z
UID:BRAG/16
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/BRAG/16/">Wa
 ring problems and the Lefschetz properties</a>\nby Rodrigo Gondim (UFRPe) 
 as part of Brazilian algebraic geometry seminar\n\n\nAbstract\nWe study th
 ree variations of the Waring problem for homogeneous polynomials\, concern
 ing the Waring rank\, the border rank and the cactus rank of a form. We sh
 ow how the Lefschetz properties of the associated algebra affect them. The
  main tool is the theory of mixed Hessians and Macaulay-Matlis duality. We
  construct new families of wild forms\, that is\, forms whose cactus rank\
 , of schematic nature\, is bigger then the border rank\, defined geometric
 ally.\n(Joint with T. Dias)\n
LOCATION:https://researchseminars.org/talk/BRAG/16/
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