## Differential Geometry Seminar - 2011 |
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Tuesday | October 4 | 10:00 - 11:00 | Paul Tod (University of Oxford) | On asymptotically flat solutions of Einstein's equations periodic in time |

Wednesday | October 5 | 1:30 - 2:30 | Paul Baird (Universite de Brest) | Invariant frameworks |

Wednesday | October 12 | 1:00 - 2:00 | Paul Baird (Universite de Brest) | Ricci solitons via semi-conformal mappings |

Thursday | October 13 | 12:30 - 1:30 | John Huerta (ANU) | G2, split octonions, and the rolling ball |

Thursday | October 20 | 12:30 - 1:30 | David Baraglia (ANU) | G2 manifolds and coassociative submanifolds |

Thursday | October 27 | 12:30 - 1:30 | Mike Eastwood (ANU) | Complexes of differential operators |

Thursday | November 3 | 12:30 - 1:30 | Dennis The (ANU) | DG working seminar: Bryant's EDS notes - Lecture 3 (part 2) |

Thursday | November 10 | 12:30 - 1:30 | Ravi Shroff (ANU) | Partial rigidity of CR embeddings into hyperquadrics with signature difference |

Thursday | November 17 | 12:30 - 1:30 | Travis Willse (ANU) | Generic 2-plane fields on 5-manifolds, parallel tractor extension, and split G2 metric holonomy |

Thursday | November 24 | 12:30 - 1:30 | Alex Isaev (ANU) | Extracting invariants of isolated hypersurface singularities from their moduli algebras |

WEDNESDAY | November 30 | 10:00 - 11:00 | Koen van den Dungen (ANU) | Gauge theories from almost commutative manifolds |

WEDNESDAY | November 30 | 12:30 - 1:30 | Alex Isaev (ANU) | Extracting invariants of isolated hypersurface singularities from their moduli algebras (part 2) |

Thursday | December 1 | 12:30 - 1:30 | Peter Vassiliou (ANU) | Variations on a theme of SL(2,R) |

## DG Working Seminar - 2011 |
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(Location: John Dedman, G35)

The main topic in our working seminar for Oct/Nov 2011 will be exterior differential systems (EDS). We'll work through Robert Bryant's EDS notes, covering the Cartan-Kahler theorem and examples and applications of EDS.

Tuesday | October 11 | 10 - 11:30 | Peter Vassiliou (University of Canberra) | Exterior differential systems: Background & Introduction |

Tuesday | October 18 | 10 - 11:30 | Travis Willse (ANU) | Bryant's EDS notes - Lecture 1 |

Tuesday | October 25 | 10 - 11:30 | Katja Sagerschnig (ANU) | Bryant's EDS notes - Lecture 2 |

Tuesday | November 1 | 10 - 11:30 | Dennis The (ANU) | Bryant's EDS notes - Lecture 3 (part 1) |

THURSDAY | November 3 | 12:30 - 1:30 | Dennis The (ANU) | Bryant's EDS notes - Lecture 3 (part 2) |

Tuesday | November 8 | 10 - 11:30 | Peter Vassiliou (University of Canberra) | Bryant's EDS notes - Lecture 4 |

Tuesday | November 15 | 10 - 11:30 | Matthew Randall (ANU) | Bryant's EDS notes - Lecture 5 (part 1) |

Tuesday | November 22 | 10 - 11:30 | Matthew Randall (ANU) | Bryant's EDS notes - Lecture 5 (part 2) |

Tuesday | November 29 | 10 - 11:30 | Travis Willse (ANU) | Bryant's EDS notes - Lecture 6 |

- MSRI EDS lecture notes (Bryant)
- Exterior Differential Systems (Bryant, Chern, Gardner, Goldschmidt, Griffiths)
- Cartan for Beginners (Ivey & Landsberg)
- Exterior differential systems and partial differential equations (Bryant, Griffiths, Grossmann)
- Method of Equivalence and its Applications (Gardner)
- Equivalence, Invariants, Symmetry (Olver)
- Les systemes de Pfaff a cinq variables et les equations aux derivees partielles du second ordre (Cartan's 5-variables paper)
- Lie's Structural Approach to PDE systems (Stormark)

Interested in giving talk? Please contact Dennis The (Dennis.The AT anu.edu.au)