# University of Oregon Topology-Geometry Seminar, Spring 1998

Date | Speaker | Title |
---|---|---|

April 7, 1998 | Hal Sadofsky |
Duality in local stable homotopy theory |

April 14, 1998 | Hal Sadofsky |
The Brown Comenetz dual of the K(n)-local sphere. |

April 21, 1998 | Naz Merchant |
Representability of Cohomology Theories |

April 28, 1998 | Tan Zhang |
Maps from the Grassmanian of 2 planes to k x k skew symmetric matrices |

May 5, 1998 | Mike Dyer |
The Browning invariant and homotopy type of 2-complexes |

May 12, 1998 | Paul Shick (John Carroll University) |
Recent advances toward understanding finite complexes |

Cascade Topology Seminar: May 16 and 17. 110 Willamette Hall | ||

Ralph Cohen | Stanford Universty | |

Ana Cannas | UC Berkeley | |

Stephan Stolz | Notre Dame University | |

Mark Hovey | Wesleyan University | |

Nigel Ray | University of Oregon, Manchester University | |

May 19, 1998 | Mark Hovey (Wesleyan University) |
Phantom maps and Landweber exact spectra |

May 26, 1998 | Hal Sadofsky |
Koszul Resolutions |

June 2, 1998 | Irina H. Petrova |
The curvature operator in Riemannian Geometry |

June 2, 1998 (3:00, Deady 206) | Dev Sinha |
Stable Manifolds |

Date | Speaker | Title |
---|---|---|

September 30, 1997 | Jens Harlander (Johann von Goethe Universitat, Frankfurt): |
Morse theoretic ideas in group theory |

October 7, 1997 | Chris Brazfield |
Serre’s finiteness theorem. |

October 10, 1997 Special time and day: Friday 4pm, 210 Deady | Steve Wilson (Johns Hopkins University): |
BP-cohomology from Morava K-theory |

October 14, 1997 | no talk | |

October 18-19, 1997 | PACIFIC NORTHWEST GEOMETRY SEMINAR, (Portland State University): |
see below |

October 21, 1997 | Peter Gilkey |
Higher order Osserman manifolds – a report on some work of Petrova, Stanilov, and Videv |

October 28, 1997 | Hal Sadofsky |
Patterns in the stable homotopy groups of spheres |

November 4, 1997 | Christine Escher (Oregon State University) |
Rigidity of minimal isometric immersions |

November 11, 1997 | Uwe Semmelmann (Max Planck Institute): |
The Dirac operator on quaternionic Kaehler manifolds |

November 18, 1997 | Mike Dyer |
Pictures and the second homotopy group of a 2-complex |

November 25, 1997 | Mike Dyer |
Knots, Links, and the second homotopy group of a 2-complex |

December 2, 1997 | Boris Botvinnik |

Date | Speaker | Title |
---|---|---|

January 13, 1998 | Nigel Ray (visiting from University of Manchester): |
Bounded Flag Manifolds |

January 20, 1998 | Hal Sadofsky |
Linear maps from Grassmanians and sectional curvature |

January 27, 1998 | Bill Bogley (Oregon State University): |
Universal Path Spaces |

February 3, 1998 | John Leahy |
Weakly Normal Singularities |

February. 10, 1998 | Peter Gilkey |
The geometry of the Jacobi |

February 17, 1998 | Nigel Ray (visiting from University of Manchester): |
Introduction to Toric manifolds, I |

February 24, 1998 | Nigel Ray (visiting from University of Manchester): |
Introduction to Toric manfolds II |

March 3, 1998 | Nigel Ray (visiting from University of Manchester): |
Introduction to Toric manifolds III |

March 10, 1998 | Douglas Ravenel (University of Rochester): |
TBA |

## PACIFIC NORTHWEST GEOMETRY SEMINAR

10/18-10/19.

#### Saturday:

- 11:30-12:30 Alexandre Kirillov (University of Pennsylvania)
*Merits and demerits of the orbit method* - 2:30-3:30 Vladimir S. Retakh (Harvard and University of Arkansas)
*Non-commutative determinants and non-commutative geometry* - 4:00-5:00 Arthur Fischer (UC Santa Cruz)
*The Hamiltonian reduction of Einstein’s equations to the cotangent bundle of Teichmueller space*

#### Sunday

- 9:30-10:30 Peter Olver (University of Minnesota)
*Moving frames* - 11:00-12:00 Michel Lapidus (UC Riverside)
*Fractal Geometry and Spectral Geometry*

## CASCADE TOPOLOGY SEMINAR

11/15-11/16.

#### Details

University of British Columbia (Vancouver).Housing: A block of rooms is reserved at the UBC Conference Centre: (604) 822-1010. Tell the reservation clerk that they are reserved under the name David Austin.

Graduate students are especially encouraged to attend. We have applied for grant support to pay for student accomodation at the Conference Centre.

#### Speakers

- Steve Humphreys, Brigham Young University
- Jack Morava, Johns Hopkins University
- Nick Pippenger, University of BC
- Brian Steer, Oxford University
- Nancy Waller, Portland State University