The Petersen graph has no quantum symmetry

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Errantum: Petersen graph has branchwidth 4

In my doctoral thesis [1], I claimed a proof that the branchwidth of the Petersen graph had branchwidth 5 and proceeded to prove that it was a member of the obstruction set for graphs with branchwidth at most 4. I have stated this claim in Hicks [2] and Hicks et al. [4]. There was, however, an error in the construction of the tangle used to prove the claim. The branchwidth of the Petersen graph...

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ژورنال

عنوان ژورنال: Bulletin of the London Mathematical Society

سال: 2018

ISSN: 0024-6093

DOI: 10.1112/blms.12154