videos

Title: TBA Speaker:  Andriy Haydys, Bielefeld Date: Friday, August 29, 2014 Time: 11:00am-12:00pm Place: Seminar Room 313, Simons Center   [box, type=”download”]Watch the video.[/box]

Title: Algebraic-geometric aspects of constructing G2 manifolds as connected sums I, II Speaker:  Alessio Corti, Imperial College London Date: Friday, August 29, 2014 Time: 09:00am-10:00am Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: I will speak about weak Fano 3-folds, K3 surfaces and their Picard lattices, and explain how to solve the matching problem in … Read more

Title: Topology of manifolds in intermediate dimensions 5\leq n \leq 8 Speaker:  Matthias Kreck, Bonn Date: Thursday, August 28, 2014 Time: 11:00am-12:00pm 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 … Read more

Title: G2-instantons over twisted connected sums Speaker:  Andriy Haydys, Bielefeld Date: Thursday, August 28, 2014 Time: 09:00am-10:00am Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: The talk will be divided in two parts. First, I will construct G2-instantons over asymptotically cylindrical (ACyl) manifolds obtained from the building blocks of Corti-Haskins-Nordström-Pacini, using the familiar gradient flow … Read more

Title: G2-instantons over twisted connected sums Speaker:  Henrique Sa Earp, Universidade Estadual de Campinas, UNICAMP, Brasil Date: Wednesday, August 27, 2014 Time: 11:00am-12:00pm Place: Seminar Room 313, Simons Center     [box, type=”download”]Watch the video.[/box] Abstract: The talk will be divided in two parts. First, I will construct G2-instantons over asymptotically cylindrical (ACyl) manifolds obtained from the building blocks of … Read more

Title: Algebraic-geometric aspects of constructing G2 manifolds as connected sums I, II Speaker: Alessio Corti, Imperial College London Date: Wednesday, August 27, 2014 Time: 09:00am-10:00am Place: Seminar Room 313, Simons Center   [box, type=”download”]Watch the video.[/box] Abstract: I will speak about weak Fano 3-folds, K3 surfaces and their Picard lattices, and explain how to solve the … Read more

Title: The topology of G2-structures on 7-manifolds Speaker:  Diarmuid Crowley, Bonn Date: Tuesday, August 26, 2014 Time: 11:00am-12:00pm Place: Seminar Room 313, Simons Center   [box, type=”download”]Watch the video.[/box] Abstract: In this talk I discuss the problem of counting the number of G2-structures on a spin 7-manifold M up to deformation: i.e. homotopies and the action of diffeomorphisms. For … Read more

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

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]

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