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Laurent Bartholdi
The rational homology of the outer automorphism group of F7 view print
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| Published: |
February 15, 2016 |
| Keywords: |
Outer automorphism group; graph homology; free group |
| Subject: |
20F28, 20J06, 20F65, 20E05 |
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Abstract
We compute the homology groups H∗(Out(F7);Q) of the outer
automorphism group of the free group of rank 7.
We produce in this manner the first rational homology classes of
Out(Fn) that are neither constant (*=0) nor Morita classes
(*=2n-4).
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| Acknowledgements
Partially supported by ANR grant ANR-14-ACHN-0018-01
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| Author information
École Normale Supérieure,
Paris and Georg-August-Universität zu Göttingen
laurent.bartholdi@gmail.com
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