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Motivic Homotopy Theory

IAS | PCMI Park City Mathematics Institute via YouTube

Overview

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Explore the foundations and applications of motivic homotopy theory through this comprehensive graduate summer school program from the Park City Mathematics Institute. Delve into this powerful mathematical framework that emerged from Morel and Voevodsky's groundbreaking work in the 1990s, which has since become an essential tool for understanding arithmetic aspects in algebra and algebraic geometry while serving as a fascinating generalization of classical homotopy theory. Master key concepts through interwoven minicourses covering unstable motivic homotopy theory, characteristic classes in stable motivic homotopy theory, motivic applications in enumerative geometry, and motivic versions of the Weil conjectures. Study advanced topics including A¹-algebraic topology, Chow groups, algebraic vector bundles over smooth affine varieties, torsors over affine curves, and Massey products in Galois cohomology. Examine the arithmetic properties of local systems, fundamental problems in Galois cohomology of fields, and aspects of G-bundles in algebraic geometry. Learn from leading experts including Joseph Ayoub, Kirsten Wickelgren, Philippe Gille, Michael Hopkins, Burt Totaro, Fabien Morel, Hélène Esnault, Aravind Asok, and others who combine mathematical expertise with exceptional teaching abilities. Participate in daily problem sessions designed to develop practical facility with complex theoretical material. Prerequisites include basic knowledge of algebraic geometry, algebraic topology, and homotopy theory, with familiarity in Galois cohomology and étale cohomology beneficial for certain courses.

Syllabus

Motivic Adams conjecture | Maria Yakerson, Oxford University
A^1-algebraic topology (following F. Morel) part 1 | Joseph Ayoub, Universität Zürich
A^1-algebraic topology (following F. Morel) part 2 | Joseph Ayoub, Universität Zürich
A^1-algebraic topology (following F. Morel) part 3 | Joseph Ayoub, Universität Zürich
A^1-algebraic topology (following F. Morel) part 4 | Joseph Ayoub, Universität Zürich
pt 1 A1-homotopy theory and the Weil conjectures | Kirsten Wickelgren, Duke University
pt 2 A1-homotopy theory and the Weil conjectures | Kirsten Wickelgren, Duke University
pt 3 A1-homotopy theory and the Weil conjectures | Kirsten Wickelgren, Duke University
pt 4 A1-homotopy theory and the Weil conjectures | Kirsten Wickelgren, Duke University
Torsors over affine curves part1 | Philippe Gille, Université Claude Bernard, Lyon 1
Torsors over affine curves part2 | Philippe Gille, Université Claude Bernard, Lyon 1
Torsors over affine curves part3 | Philippe Gille, Université Claude Bernard, Lyon 1
Torsors over affine curves part4 | Philippe Gille, Université Claude Bernard, Lyon 1
Algebraic vector bundles over smooth affine varieties | Michael Hopkins, Harvard
Part 1 Chow groups | Burt Totaro, UCLA
Part 2 Chow groups | Burt Totaro, UCLA
Part 3 Chow groups | Burt Totaro, UCLA
Part 4 Chow groups | Burt Totaro, UCLA
A^1-homotopy and A^1-algebraic Topologie, part 2 I Fabien Morel, University LMU Munich
2 Massey products in Galois cohomology | Alexander Merkurjev and Federico Scavia
3 Massey products in Galois cohomology | Alexander Merkurjev and Federico Scavia
1 Local Systems in Arithmetic Geometry | Hélène Esnault, FU Berlin, Harvard, Copenhagen, B.Church TA
2 Arithmetic Properties of Local Systems | Hélène Esnault, Freie U Berlin, Harvard, U of Copenhagen
3 Local Systems in Arithmetic Geometry | Hélène Esnault, Freie Berlin, Harvard, U of Copenhagen
1 From matrices to motivic homotopy theory | Aravind Asok, University of Southern California (USC)
2 From matrices to motivic homotopy theory | Aravind Asok, University of Southern California (USC)
How I got into motivic homotopy theory–Contractibility and Spheres: a motivic view | Aravind Asok
Representation categories and motives part1 | Markus Spitzweck, University of Osnabrueck
Characteristic classes in stable motivic homotopy theory pt.1 | Frédéric Déglise, CNRS, ENS Lyon
Characteristic classes in stable motivic homotopy theory pt.2 | Frédéric Déglise, CNRS, ENS Lyon
Field arithmetic and the complexity of Galois cohomology, part1 | Daniel Krashen, Uof Pennsylvania
Motivic explorations in enumerative geometry, pt1 | Sabrina Pauli, Technische Universität Darmstadt
Motivic Homotopy: what's up with that? | Michael Hopkins
Field arithmetic and the complexity of Galois cohomology, part2 | Daniel Krashen, U of Pennsylvania
Motivic explorations in enumerative geometry, pt2 | Sabrina Pauli, Technische Universität Darmstadt
Characteristic classes in stable motivic homotopy theory pt.3 | Frédéric Déglise, CNRS, ENS Lyon
4 Massey products in Galois cohomology | Alexander Merkurjev and Federico Scavia
1 Massey products in Galois cohomology | Alexander Merkurjev and Federico Scavia
Motivic explorations in enumerative geometry, pt3 | Sabrina Pauli, Technische Universität Darmstadt
Characteristic classes in stable motivic homotopy theory, part 4 | Frédéric Déglise, CNRS, ENS Lyon
Field arithmetic and the complexity of Galois cohomology, part3 | Daniel Krashen, U of Pennsylvania
Field arithmetic and the complexity of Galois cohomology, part4 | Daniel Krashen, U of Pennsylvania
Motivic explorations in enumerative geometry, pt4 | Sabrina Pauli, Technische Universität Darmstadt
Arithmetic properties of local systems | Tom Bachmann, Johannes Gutenberg University of Mainz
A^1-homotopy and A^1-algebraic Topologie, part 1 I Fabien Morel, University LMU Munich
Mathematical Maturity: Story vs. Craft: Why I like to lecture | Tom Garrity
The (motivic) Brouwer degree | Fabien Morel, University LMU Munich

Taught by

IAS | PCMI Park City Mathematics Institute

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