G2 Manifolds seminar: Matthias Kreck, Bonn

Title: Topology of manifolds in intermediate dimensions 5\leq n \leq 8 Speaker:  Matthias Kreck, Bonn Date: Tuesday, August 26, 2014 Time: 09:00am-10:00am Place: Seminar Room 313, Simons Center   [box, type=”download”]Watch the video.[/box] Abstract: In these two lectures I plan to discuss various ways to pose the classification problem and briefly mention different ways to attack these problems. For all … Read more

G2 Manifolds seminar: Thomas Walpuski, Imperial College London

Title: G_2–instantons, associative submanifolds and Fueter sections Speaker:  Thomas Walpuski, Imperial College London Date: Monday, August 25, 2014 Time: 11:00am-12:00pm Place: Seminar Room 313, Simons Center   [box, type=”download”]Watch the video.[/box]

G2 Manifolds seminar: Diarmuid Crowley

Title: A classification of smooth 2-connected 7-manifolds Speaker:  Diarmuid Crowley Date: Monday, August 25, 2014 Time: 09:00am-10:00am Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: In this talk I will present a classification of closed smooth 2-connected 7-manifolds. The classification builds on work of Wall and Wilkens, and uses knowledge about co-bounding 8-manifolds. The … Read more

G2 Manifolds Seminar: Spiro Karigiannis

Title: $G_2$ conifolds: desingularization, deformation, and construction? Speaker:  Spiro Karigiannis Date: Friday, August 22, 2014 Time: 03:30pm-4:30pm Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: $G_2$ “manifolds” with singularities are supposed to play an important role in M-theory. Cone-like singularities are the simplest type to consider. I will introduce $G_2$ cones and discuss the … Read more

G2 Manifolds Seminar: Katrin Becker, Texas A&M University

Title: M-theory and G2 manifolds Speaker:  Katrin Becker, Texas A&M University Date: Friday, August 22, 2014 Time: 02:00pm-3:30pm Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: This is an introduction to M-theory which is a theory of quantum gravity. It unifies general relativity with quantum field theory. M-theory includes besides all string theories eleven-dimensional supegravity. … Read more

G2 Manifolds Seminar: Thomas Walpuksi

Title: G2 instantons on generalised Kummer constructions Speaker:  Thomas Walpuksi, Imperial College London Date: Friday, August 22, 2014 Time: 11:00pm-12:00pm Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box]

G2 Manifolds Seminar: Simon Donaldson

Title: Overview of Gauge Theory and Submanifold geometry in Exceptional Holonomy III Speaker:  Simon Donaldson Date: Friday, August 22, 2014 Time: 09:00pm-10:30am Place: Auditorium 103, Simons Center     [box, type=”download”]Watch the video.[/box]

G2 Manifolds seminar: Mark Haskins and Johannes Nordstrom

Title: Construction of compact G_{2} manifolds I, II Speaker:  Mark Haskins and Johannes Nordstrom Date: Thursday, August 21, 2014 Time: 09:00am-12:00pm Place: Seminar Room 313, Simons Center   [box, type=”download”]Johannes Nordstrom video. Mark Haskins video.[/box]

G2 Manifolds Seminar: Spiro Karigiannis

Title:Fundamentals of exceptional holonomy, II Speaker:  Spiro Karigiannis Date: Wednesday, August 20, 2014 Time: 11:00am-12:00pm Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: This is part two of an introduction to the geometry of $\mathrm{G}_2$ and $\mathrm{Spin}(7)$ structures, henceforth called “exceptional structures”. We will begin with the complete non-compact examples of exceptional manifolds due … Read more

G2 Manifolds Seminar: Simon Donaldson

Title: Overview of gauge theory and submanifold geometry on G_{2} manifolds, II Speaker:  Simon Donaldson Date: Wednesday, August 20, 2014 Time: 09:00pm-10:30am Place: Auditorium 103, Simons Center     [box, type=”download”]Watch the video.[/box]