| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4952293 | Theoretical Computer Science | 2017 | 8 Pages |
Abstract
Indecomposable permutations in Sn+1, subgroups of index n of the free group on two generators and doubly pointed hypermaps of cardinality n are equinumerous. We give here a proof of a bijection, due to Sillke, between these three sets.
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Physical Sciences and Engineering
Computer Science
Computational Theory and Mathematics
Authors
R. Cori, C. Reutenauer,