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SUMMARY:Susan Cooper (University of Manitoba)
DTSTART:20230317T223000Z
DTEND:20230317T233000Z
DTSTAMP:20260422T053756Z
UID:SFUQNTAG/90
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SFUQNTAG/90/
 ">Limiting Behaviour of Symbolic Powers</a>\nby Susan Cooper (University o
 f Manitoba) as part of SFU NT-AG seminar\n\nLecture held in AQ 4120.\n\nAb
 stract\nAt the heart of many problems in Commutative Algebra and Algebraic
  Geometry is the difference between symbolic and regular powers of a homog
 eneous ideal. One way to find failures of containments between these power
 s is to use an asymptotic approach and look at a special limit called the 
 Waldschmidt constant. This limit was first introduced as a way to estimate
  the lowest degree of a hypersurface vanishing at all the points of a vari
 ety to a given order. However\, this limit is challenging to compute and s
 o it is natural to focus our attention on special ideals to gain insight. 
  In this talk we will give some interpretations of the Waldschmidt constan
 t of a monomial ideal which allow us to determine this limit in a number o
 f cases. This is joint work from two projects: the first with R. Embree\, 
 H. T. Hà\, and A. Hoefel and the second with C. Bocci\, E. Guardo\, B. Ha
 rbourne\, M. Janssen\, U. Nagel\, A. Seceleanu\, A. Van Tuyl\, and T. Vu.\
 n
LOCATION:https://researchseminars.org/talk/SFUQNTAG/90/
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