Re: [isabelle] New AFP article: Tree Decomposition

Fixed, sorry, thanks.


On 01/06/2016 11:09, Benedikt Nordhoff wrote:
I tried to access the documents but I only get 404 errors.

Best Benedikt
Not Found

The requested URL /browser_info/current/AFP/Tree_Decomposition/outline.pdf was not found on this server.

Apache/2.4.7 (Ubuntu) Server at Port 80

Am 31.05.2016 um 17:24 schrieb Tobias Nipkow <nipkow at>:

Tree Decomposition
Christoph Dittmann

We formalize tree decompositions and tree width in Isabelle/HOL, proving that trees have treewidth 1. We also show that every edge of a tree decomposition is a separation of the underlying graph. As an application of this theorem we prove that complete graphs of size n have treewidth n-1.


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