Introduction to Galois Groups and Fundamental Groups MSRI, Von Neumann Conference Symposium on Arithmetic Fundamental Groups and Noncommutative Algebra, Aug 23, 1999 Abhyankar's Conjecture MSRI, Von Neumann Conference Symposium on Arithmetic Fundamental Groups and Noncommutative Algebra, Sep 2, 1999 Embedding problems with local conditions MSRI, Constructive Galois Theory workshop, Oct 7, 1999 Patching and a local-global principle for curves Newton Institute, workshop on Non-abelian Fundamental Groups in Arithmetic Geometry, July 31, 2009 Patching and local-global principles for group actions Penn algebra seminar, Nov. 23, 2009 Saltman's generic Galois theory and problems in field theory, item 16 on the above webpage. Emory University, Ramification in Algebra and Geometry, May 16-20, 2011 Division algebras and patching Arizona Winter School, March 10-14, 2012 Four lectures with Julia Hartmann Galois group schemes over arithmetic curves BIRS, Workshop on Lifting Problems and Galois Theory, Aug. 20, 2015 Passing from local to global over arithmetic curves BIRS, Workshop on Nilpotent Fundamental Groups, June 22, 2017 Torsors in differential Galois theory Fields Institute, Workshop on differential Galois theory, July 27, 2017. An overview of the Inverse Galois Problem VaNTAGe online seminar, hosted at Colo. State and MIT, semester on Galois theory, Oct. 3, 2023.
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