Outer Space
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Tue, 02/02/2010 16:00 |
Richard Wade (Oxford) |
Junior Geometric Group Theory Seminar  |
SR1 |
| We introduce Outer space, a contractible finite dimensional topological space on which the outer automorphism group of a free group acts 'nicely.' We will explain what 'nicely' is, and provide motivation with comparisons to symmetric spaces, analogous spaces associated to linear groups. | |||