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Canonical metrics, random point processes and tropicalization

By Robert Berman

Appears in collection : Complex Analytic and Differential Geometry

In this talk I will present a survey of the connections between canonical metrics and random point processes on a complex algebraic variety X. When the variety X has positive Kodaira dimension, this leads to a probabilistic construction of the canonical metric on X introduced by Tsuji and Song-Tian (coinciding with the Kähler-Einstien metric when X is of general type). In the opposite setting of Fano varieties this suggests a probalistic analog of the Yau-Tian-Donaldson conjecture. The probabilistic version of the conjecture is open, in general. But, as shown in a recent joint work with Magnus Onnheim, for toric X the “tropicalized” version of the conjecture does hold and involves discrete optimal transport theory.

Information about the video

  • Date of recording 07/06/2017
  • Date of publication 29/01/2026
  • Institution Institut Fourier
  • Licence CC BY NC ND
  • Language English
  • Format MP4

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