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DTSTART;TZID=America/New_York:20260915T090000
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SUMMARY:Lagrangian Floer Theory and Applications Program
DESCRIPTION:Lagrangian Floer theory and Applications Program \nDates: September 15–November 21\, 2026 \nLocation: CMSA G10\, 20 Garden St.\, Cambridge MA 02138 \nThis thematic program will focus on recent developments in Lagrangian Floer theory and applications.  These include the development of family Floer theory\, degeneration techniques\, Floer homotopy theory in the Lagrangian case\, Floer theory in prime characteristic\, and applications to problems in singularity theory\, geometry and dynamics. \nA one-week workshop will be held near the start of the program (September 28 – October 2\, 2026)\, with the same title as the thematic program. \nOrganizers: Denis Auroux (Harvard)\, Jonny Evans (Lancaster)\, and Chris Woodward (Rutgers) \n  \nTo express interest in attending the workshop or program\, and to apply for funding if available\, please fill out the form.  \nFunding from the National Science Foundation may be available for US-based graduate students and postdoctoral fellows. \n  \n \nimage: Water Sky Garden\, Vancouver\nDate: 31 January 2010\, 12:57:46\nSource: Studio Echelman\nAuthor: Peter Vanderwarker\, Studio Echelman \n 
URL:https://live-hu-cmsa-222.pantheonsite.io/event/lft2026/
LOCATION:CMSA 20 Garden Street Cambridge\, Massachusetts 02138 United States
CATEGORIES:Programs
ATTACH;FMTTYPE=image/jpeg:https://live-hu-cmsa-222.pantheonsite.io/media/LFT_poster-1.jpg
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DTSTART;TZID=America/New_York:20261013T161500
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CREATED:20260729T190156Z
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SUMMARY:From Random Walks to the Free Quantum Field
DESCRIPTION:Joint Math/CMSA Geometry and Quantum Theory Seminar \nSpeaker: Bowen Yang \nTitle: From Random Walks to the Free Quantum Field \nAbstract: The free quantum field is\, heuristically\, a Gaussian measure with density exp(−S_E) on a space of fields. We make this precise by building the Gaussian free field from discrete objects: random walks\, Brownian motion\, and the GFF on a lattice. Along the way we see why its covariance is a Green’s function\, and why in dimension two and higher it exists only as a distribution. We then pass to the continuum free field of Chatterjee’s Chapter 3 and its Markov property in time. We close with a tour of how this gives the quantum theory\, the Feynman propagator\, and the Wightman functions. \n 
URL:https://live-hu-cmsa-222.pantheonsite.io/event/quantumgeo_101326/
LOCATION:Science Center 507\, 1 Oxford Street\, Cambridge\, 02138
CATEGORIES:Geometry and Quantum Theory Seminar
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