Search for tag: "geometry"

72 Media

Feb 12: Planar maps and dualiity duration 1 hour 16 minutes Feb 12: Planar maps and dualiity Feb 12: Planar maps and dualiity	Feb 12: Planar maps and dualiity computational geometry From Jeff Erickson 0 plays 0 Date of creation 2/12/2026 12:00 AM
Feb 10: Elementary polygon algorithms duration 1 hour 1 minute Feb 10: Elementary polygon algorithms Feb 10: Elementary polygon algorithms	Feb 10: Elementary polygon algorithms computational geometry From Jeff Erickson 0 plays 0 Date of creation 2/10/2026 12:00 AM
Feb 5: Polygon triangulation duration 1 hour 17 minutes Feb 5: Polygon triangulation Feb 5: Polygon triangulation	Feb 5: Polygon triangulation computational geometry From Jeff Erickson 0 plays 0 Date of creation 2/5/2026 12:00 AM
Feb 3: Segment intersection II duration 1 hour 12 minutes Feb 3: Segment intersection II Feb 3: Segment intersection II	Feb 3: Segment intersection II computational geometry From Jeff Erickson 0 plays 0 Date of creation 2/3/2026 12:00 AM
Jan 29: Plane sweep, segment intersection duration 1 hour 15 minutes Jan 29: Plane sweep, segment intersection Jan 29: Plane sweep, segment intersection	Jan 29: Plane sweep, segment intersection computational geometry From Jeff Erickson 5 plays 0 Date of creation 1/29/2026 12:00 AM
Jan 27: Duality, intersection of halfplanes duration 1 hour 16 minutes Jan 27: Duality, intersection of halfplanes Jan 27: Duality, intersection of halfplanes	Jan 27: Duality, intersection of halfplanes computational geometry From Jeff Erickson 5 plays 0 Date of creation 1/27/2026 12:00 AM
Jan 22: Convex hulls (continued) duration 1 hour 11 minutes Jan 22: Convex hulls (continued) Jan 22: Convex hulls (continued)	Jan 22: Convex hulls (continued) computational geometry From Jeff Erickson 8 plays 0 Date of creation 1/22/2026 12:00 AM
Jan 20: Intro, convex hulls duration 1 hour 16 minutes Jan 20: Intro, convex hulls Jan 20: Intro, convex hulls	Jan 20: Intro, convex hulls computational geometry From Jeff Erickson 10 plays 0 Date of creation 1/20/2026 12:00 AM
Feb 17: Straight-line Planar Maps duration 1 hour 14 minutes Feb 17: Straight-line Planar Maps Feb 17: Straight-line Planar Maps	Feb 17: Straight-line Planar Maps Straight-line planar embedding, star-shaped-hole… computational geometry From Jeff Erickson 19 plays 0 Date of creation 2/17/2023 6:00 AM
Toby Stafford, Invariant holonomic systems for… duration 56 minutes 26 seconds Toby Stafford, Invariant holonomic systems for… Toby Stafford, Invariant holonomic systems for symmetric spaces	Toby Stafford, Invariant holonomic systems for symmetric spaces Toby Stafford (University of Manchester) presents… equivariant eigendistributions +3 More From Shelby Koehne 11 plays 0 Date of creation 6/12/2022 5:00 AM Video credits Jennifer Nygard
Travis Schedler, D-modules and rings of… duration 1 hour 0 minutes Travis Schedler, D-modules and rings of… Travis Schedler, D-modules and rings of differential operators in singular and noncommutative settings	Travis Schedler, D-modules and rings of differential operators in singular and noncommutative settings Travis Schedler (Imperial College London)… d-modules +3 More From Shelby Koehne 41 plays 0 Date of creation 6/12/2022 5:00 AM Video credits Jennifer Nygard
Susan Sierra, Blowing down noncommutative cubic… duration 1 hour 7 minutes Susan Sierra, Blowing down noncommutative cubic… Susan Sierra, Blowing down noncommutative cubic surfaces	Susan Sierra, Blowing down noncommutative cubic surfaces Susan Sierra (University of Edinburgh) presents… cubic surfaces +3 More From Shelby Koehne 21 plays 0 Date of creation 6/11/2022 5:00 AM Video credits Jennifer Nygard
Gwyn Bellamy, Birational geometry of quiver… duration 59 minutes 23 seconds Gwyn Bellamy, Birational geometry of quiver… Gwyn Bellamy, Birational geometry of quiver varieties	Gwyn Bellamy, Birational geometry of quiver varieties Gwyn Bellamy (University of Glasgow) presents at… birational geometry +4 More From Shelby Koehne 29 plays 0 Date of creation 6/11/2022 5:00 AM Video credits Jennifer Nygard
Apr 22: Visibility graphs duration 1 hour 13 minutes Apr 22: Visibility graphs Apr 22: Visibility graphs	Apr 22: Visibility graphs Visibility graph definitions Complexity:… computational geometry From Jeff Erickson 100 plays 0 Date of creation 4/22/2022 5:00 AM
Apr 20: Fréchet distance continued duration 1 hour 18 minutes Apr 20: Fréchet distance continued Apr 20: Fréchet distance continued	Apr 20: Fréchet distance continued Decision problem: Free space is convex in each… computational geometry From Jeff Erickson 56 plays 0
Apr 15: Convolutions and Fréchet distance duration 1 hour 15 minutes Apr 15: Convolutions and Fréchet distance Apr 15: Convolutions and Fréchet distance	Apr 15: Convolutions and Fréchet distance Convolution A*B definition Minkowski sum A+B =… computational geometry From Jeff Erickson 51 plays 0 Date of creation 4/15/2022 5:00 AM
Apr 13: Minkowski sums and motion planning duration 1 hour 13 minutes Apr 13: Minkowski sums and motion planning Apr 13: Minkowski sums and motion planning	Apr 13: Minkowski sums and motion planning The translational motion planning problem Work… computational geometry From Jeff Erickson 65 plays 0 Date of creation 4/13/2022 5:00 AM
Apr 8: Geometric shortest paths duration 1 hour 11 minutes Apr 8: Geometric shortest paths Apr 8: Geometric shortest paths	Apr 8: Geometric shortest paths Definitions: Shortest paths in polygons… computational geometry From Jeff Erickson 53 plays 0 Date of creation 4/8/2022 5:00 AM
Apr 6: Applications of line arrangements duration 1 hour 19 minutes Apr 6: Applications of line arrangements Apr 6: Applications of line arrangements	Apr 6: Applications of line arrangements Halfplane discrepancy Ham sandwich cuts… computational geometry From Jeff Erickson 50 plays 0 Date of creation 4/6/2022 5:00 AM
Apr 1: Line arrangements duration 1 hour 14 minutes Apr 1: Line arrangements Apr 1: Line arrangements	Apr 1: Line arrangements Definitions Motivation Incremental algorithm: For… computational geometry From Jeff Erickson 53 plays 0 Date of creation 4/1/2022 5:00 AM
Mar 30: Generalizations of linear programming duration 1 hour 16 minutes Mar 30: Generalizations of linear programming Mar 30: Generalizations of linear programming	Mar 30: Generalizations of linear programming Smallest enclosing annulus: reduce to LP by… computational geometry From Jeff Erickson 47 plays 0 Date of creation 3/30/2022 5:00 AM
Mar 25: Seidel's linear programming algorithm duration 1 hour 16 minutes Mar 25: Seidel's linear programming algorithm Mar 25: Seidel's linear programming algorithm	Mar 25: Seidel's linear programming algorithm Set up and assumptions Seidel's incremental… computational geometry From Jeff Erickson 155 plays 0 Date of creation 3/25/2022 5:00 AM
Mar 23: Linear programming intro duration 1 hour 13 minutes Mar 23: Linear programming intro Mar 23: Linear programming intro	Mar 23: Linear programming intro Example 1: Max-margin classifier Example 2:… computational geometry From Jeff Erickson 73 plays 0 Date of creation 3/23/2022 5:00 AM
Mar 09: Generalizations of Voronoi diagrams duration 58 minutes 18 seconds Mar 09: Generalizations of Voronoi diagrams Mar 09: Generalizations of Voronoi diagrams	Mar 09: Generalizations of Voronoi diagrams four-way equivalence, via duality and lifting:… computational geometry From Jeff Erickson 52 plays 0 Date of creation 3/9/2022 6:00 AM