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PRODID:-//University of Utah Math Department//Departmental Colloquium//EN
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X-WR-CALNAME:Departmental Colloquium - Fall 2020
X-WR-CALDESC:Departmental Colloquium at University of Utah Mathematics Department
X-WR-TIMEZONE:America/Denver








BEGIN:VEVENT
UID:20201029T160000-shi-jin@math.utah.edu
DTSTART;TZID=America/Denver:20201029T160000
DTEND;TZID=America/Denver:20201029T170000
DTSTAMP:20260922T150858Z
SUMMARY:Random batch methods for classical and quantum N-body problems
DESCRIPTION:Speaker: Shi Jin\, Shanghai Jiao Tong University\n\nWe first develop random batch methods for classical interacting particle systems with large number of particles. These methods use small but random batches for particle interactions, thus the computational cost is reduced from O(N^2) per time step to O(N), for a system with N particles with binary …

LOCATION:JWB 335

URL:https://www.math.utah.edu/research/colloquia/2020-fall/
END:VEVENT








BEGIN:VEVENT
UID:20201105T160000-nilima-nigam@math.utah.edu
DTSTART;TZID=America/Denver:20201105T160000
DTEND;TZID=America/Denver:20201105T170000
DTSTAMP:20260922T150858Z
SUMMARY:A modification of Schiffer's conjecture, and a proof via finite elements
DESCRIPTION:Speaker: Nilima Nigam\, Simon Fraser University\n\nApproximations via conforming and non-conforming finite elements can be used to construct validated and computable bounds on eigenvalues for the Dirichlet Laplacian in certain domains. If these are to be used as part of a proof, care must be taken to ensure each step of the computation is validated …

LOCATION:JWB 335

URL:https://www.math.utah.edu/research/colloquia/2020-fall/
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BEGIN:VEVENT
UID:20201119T160000-christine-berkesch@math.utah.edu
DTSTART;TZID=America/Denver:20201119T160000
DTEND;TZID=America/Denver:20201119T170000
DTSTAMP:20260922T150858Z
SUMMARY:Virtual resolutions for smooth toric varieties
DESCRIPTION:Speaker: Christine Berkesch\, University of Minnesota\n\nThe minimal free resolution of a graded module encodes many geometric properties of the corresponding sheaf on projective space. However, when the ambient space is a product of projective spaces or a more general smooth projective toric variety X, minimal free resolutions over the Cox ring are too …

LOCATION:JWB 335

URL:https://www.math.utah.edu/research/colloquia/2020-fall/
END:VEVENT








BEGIN:VEVENT
UID:20201203T160000-kirsten-wickelgren@math.utah.edu
DTSTART;TZID=America/Denver:20201203T160000
DTEND;TZID=America/Denver:20201203T170000
DTSTAMP:20260922T150858Z
SUMMARY:An arithmetic count of rational plane curves
DESCRIPTION:Speaker: Kirsten Wickelgren\, Duke University\n\nThere is a unique line through 2 points in the plane, and a unique conic through 5. These counts generalize to a count of degree d rational curves in the plane passing through 3d-1 points. Surprisingly, the problem of determining these numbers turns out to be deep and connected to string theory, and …

LOCATION:JWB 335

URL:https://www.math.utah.edu/research/colloquia/2020-fall/
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