Geodesic
A note on the cubical dimension of new classes of binary trees
Czechoslovak Mathematical Journal, Tome 65 (2015) no. 1, pp. 151-160.

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The cubical dimension of a graph $G$ is the smallest dimension of a hypercube into which $G$ is embeddable as a subgraph. The conjecture of Havel (1984) claims that the cubical dimension of every balanced binary tree with $2^n$ vertices, $n\geq 1$, is $n$. The 2-rooted complete binary tree of depth $n$ is obtained from two copies of the complete binary tree of depth $n$ by adding an edge linking their respective roots. In this paper, we determine the cubical dimension of trees obtained by subdividing twice a 2-rooted complete binary tree and prove that every such balanced tree satisfies the conjecture of Havel.
DOI : 10.1007/s10587-015-0165-6
Classification : 05C05, 05C60
Keywords: cubical dimension; embedding; Havel's conjecture; hypercube; tree 
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Kabyl, Kamal; Berrachedi, Abdelhafid; Sopena, Éric. A note on the cubical dimension of new classes of binary trees. Czechoslovak Mathematical Journal, Tome 65 (2015) no. 1, pp. 151-160. doi : 10.1007/s10587-015-0165-6. http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0165-6/

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