Formalizing the change of variables formula for integrals in mathlib

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• Professor Sébastien Gouëzel (Université de Rennes)
• Thursday 15 June 2023, 17:00-18:00
• MR20 Centre for Mathematical Sciences.

If you have a question about this talk, please contact Angeliki Koutsoukou-Argyraki.

Hybrid talk (please see abstract for link) Note: different room, MR20 this time

We report on a formalization of the change of variables formula in integrals, in the mathlib library for Lean. Our version of this theorem is extremely general, and builds on developments in linear algebra, analysis, measure theory and descriptive set theory. This is made possible by the highly integrated development model of mathlib.

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This talk is part of the Formalisation of mathematics with interactive theorem provers series.

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