# Selected Lectures, J.F. Jardine

The UMAP algorithm, reimagined, Geometry/Topology Seminar, Univ. of Western Ontario, April 7, 2021.

Fuzzy sets, presheaves, and topological data analysis, MIT Applied Categories Seminar, November 12, 2020.

Persistent homotopy theory, Homotopy Theory Seminar, Ohio State University, January 9, 2020.

Data and homotopy types, Topology Seminar, Northwestern University, May 13, 2019.

Clusters and graphs, Fields Working Lunch Seminar, Fields Institute, October 23, 2018.

Cluster graphs, Colloquium, School of Mathematical and Statistical Sciences, October 26, 2017.

Galois cohomological descent, Conference: Homotopy Theory: tools and applications, Univ. of Illinois at Urbana-Champaign, July 19, 2017.

Local higher category theory, Topology Seminar, Northwestern University, February 27, 2017.

Stacks and homotopy theory, Algebra and Geometry Seminar, University of Bristol, February 8, 2017.

Homotopy theory and concurrency, Dagstuhl Semiar: Topological Methods in Distributed Computinhg, Schloss Dagstuhl, July 13, 2016.

Ring spectra: first steps, Basic Notions Seminar, University of Western Ontario, January 14, 2016.

Galois groups and groupoids, and pro homotopy types, Colloquium, University of Western Ontario, October 29, 2015.

Path categories and algorithms, Conference on Unstable Homotopy Theory, Fields Institute, June 8, 2015.

T-spectra, Topology Seminar, University of Chicago, January 20, 2015.

Presheaves of spectra, Topology Seminar (pre-seminar), University of Chicago, January 19, 2015.

Cocycles and pro-objects, Cascade Topology Seminar, BIRS, November 6, 2014.

Homotopy theories of dynamical systems, Applied and Computational Algebraic Topology, Universitaet Bremen, July 15, 2013.

Simplicial sheaves, cocycles and torsors, Spring School and Workshop on Torsors, Motives and Cohomological Invariants, Fields Institute, May 13, 2013.

Galois descent and pro objects, Workshop on Arithmetic Geometry and Homotopy Theory, Imperial College, May 31, 2012.

Stacks and higher stacks, Topology Seminar, University of Chicago, February 28, 2012.

Cocycle categories, Topology Seminar (pre-seminar), University of Chicago, February 28, 2012.

Cosimplicial spaces and cocycles, Session on Homotopy Theory, CMS Summer Meeting, Regina, June 4, 2012.

Pointed torsors and Galois groups, Fields Workshop on Group Actions, Generalized Cohomology Theories and Affine Algebraic Geometry, University of Ottawa, April 23, 2011.

The parabolic groupoid, Topology Seminar, Stanford University, January 8, 2008.

Categories, symmetric groups and spheres, Colloquium, Universitaet Bremen, November 13, 2007.

Stack cohomology, Rost Seminar, Universitaet Bielefeld, January 16, 2006.

.Homotopy classification of gerbes, Category Theory Octoberfest 2005, University of Ottawa, October 22, 2005.

Cocycles and cocycle categories, CRM-University of Ottawa Distinguished Lecture, University of Ottawa, October 21, 2005.

Diagrams and torsors, Transpennine Topology Triangle Conference, University of Sheffield, April 12, 2005.

Stacks and homotopy theory, Conference: Theory of motives, homotopy theory of varieties and dessins d'enfants, American Institute of Mathematics, April 24, 2004.

Discrete cohomology of algebraic groups, Spitalfields Day, London Mathematical Society, University of Southampton, March 30, 2004.