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DTSTART;TZID=America/Halifax:20211105T160000
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CREATED:20200904T115630Z
LAST-MODIFIED:20211103T174033Z
UID:6273-1636128000-1636131600@aarms.math.ca
SUMMARY:Dalhousie-AARMS AAMP Seminar: Nina Holden (ETH Zürich and the Courant Institute)
DESCRIPTION:Conformal invariance of percolation on random planar maps\nConformal invariance of critical percolation on the triangular lattice was proved by Smirnov. His proof is hard to extend to critical percolation on other lattices since his proof relies on a combinatorial identity which is only true on the triangular lattice. On random lattices known as random planar maps\, however\, it turns out that conformal invariance can be established. This was done in joint work with Sun\, building on our earlier works with Albenque\, Bernardi\, Garban\, Gwynne\, Lawler\, Li\, and Sepulveda. \nThe Dalhousie-AARMS Analysis-Applied Math-Physics Seminar takes place on Fridays from 4 – 5 pm Atlantic Time over Zoom.  If you would like to attend\, please email the organizers for connection details.
URL:https://aarms.math.ca/event/dalhousie-aarms-aamp-seminar-steven-lester-kings-college-london-2-2-3-2-2-2-2/
LOCATION:Zoom seminar
CATEGORIES:AAMP Seminar
ORGANIZER;CN="Suresh Eswarathasan":MAILTO:sr766936@dal.ca
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DTSTART;TZID=America/Halifax:20211119T160000
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DTSTAMP:20211111T152305Z
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UID:6297-1637337600-1637341200@aarms.math.ca
SUMMARY:Dalhousie-AARMS AAMP Seminar: Amanda Young (Technical University of Munich)
DESCRIPTION:Title: A bulk gap in the presence of edge states for a HaldanepseudopotentialAbstract: In this talk\, we discuss a recent result on a bulk gap for atruncated Haldane pseudopotential with maximal half filling\, whichdescribes a strongly correlated system of spinless bosons in a cylindergeometry. For this Hamiltonian with either open or periodic boundaryconditions\, we prove a spectral gap above the highly degenerateground-state space which is uniform in the volume and particle number.Our proofs rely on identifying invariant subspaces to which we applygap-estimate methods previously developed only for quantum spinHamiltonians. In the case of open boundary conditions\, the lower boundon the spectral gap accurately reflects the presence of edge states\,which do not persist into the bulk. Customizing the gap technique to theinvariant subspace\, we avoid the edge states and establish a moreprecise estimate on the bulk gap in the case of periodic boundaryconditions. The same approach can also be applied to prove a bulk gapfor the analogously truncated 1/3-filled Haldane pseudopotential for thefractional quantum Hall effect. Based off joint work with S. Warzel. \n\nThe Dalhousie-AARMS Analysis-Applied Math-Physics Seminar takes place on Fridays from 4 – 5 pm Atlantic Time over Zoom.  If you would like to attend\, please email the organizers for connection details.
URL:https://aarms.math.ca/event/dalhousie-aarms-aamp-seminar-steven-lester-kings-college-london-2-2-3-2-2-2-3/
LOCATION:Zoom seminar
CATEGORIES:AAMP Seminar
ORGANIZER;CN="Suresh Eswarathasan":MAILTO:sr766936@dal.ca
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