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Kirk Public Lecture: Counting curves: which, how and why

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EMG - New equivariant methods in algebraic and differential geometry

Enumerative geometry is a very classical branch of (complex projective) algebraic geometry, that counts solutions to geometric problems: e.g., for a cubic polynomial f(x,y,z), there are 27 lines L in space with f(p)=0 at every point in L (Cayley-Salmon, 1849). Around 1990, the influx of ideas from string theory (in particular Gromov-Witten invariants) opened up new research directions, which have kept developing to the present day, with continued interactions with symplectic geometry, integrable systems, and particle physics. We will sketch a part of this story, highlighting how “abstract” notions like schemes arise naturally in very concrete problems.

This talk is part of the Isaac Newton Institute Seminar Series series.

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Average on weekdays: 9011.31025641 kWh Martin's interesting talks Seminar room to be confirmed at the David Attenborough Building. Zoom link: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon

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