The number of parking functions with center of a given length
Let 1≤r≤n and suppose that, when the Depth-first Search Algorithm is applied to a given rooted labeled tree on n+1 vertices, exactly r vertices are visited before backtracking. Let R be the set of trees with this property. We count the number of elements of R. For this purpose, we first consider a b...
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| Format: | article |
| Language: | eng |
| Published: |
2020
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| Online Access: | http://hdl.handle.net/10773/25846 |
| Country: | Portugal |
| Oai: | oai:ria.ua.pt:10773/25846 |