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SUMMARY:Sharon Robins (Simon Fraser University)
DTSTART:20230309T233000Z
DTEND:20230310T003000Z
DTSTAMP:20260424T095739Z
UID:SFUQNTAG/89
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SFUQNTAG/89/
 ">Deformations of Smooth Projective Toric Varieties</a>\nby Sharon Robins 
 (Simon Fraser University) as part of SFU NT-AG seminar\n\nLecture held in 
 K-9509.\n\nAbstract\nWe can study how a given scheme X fits into a family 
 using the tools from the deformation theory. One begins by using infinites
 imal methods\, studying possible obstructions\, and attempting to construc
 t a family called a versal deformation\, which collects all possible defor
 mations. If X is a smooth projective toric variety\, combinatorial descrip
 tions of the space of first-order deformations and the obstruction to seco
 nd-order deformation given by the cup product have been studied. In this t
 alk\, I will present these descriptions with an example of a smooth projec
 tive toric threefold with a quadratic obstruction. In addition\, I will di
 scuss my current research\, which provides a combinatorial iterative proce
 dure for finding higher-order obstructions.\n
LOCATION:https://researchseminars.org/talk/SFUQNTAG/89/
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