| J. Walter. Representations of rigid cycle graphs. PhD thesis, Wayne State University, USA, 1972. |
....rigidcircuit, monotone transitive, and perfect elimination graphs [6, 19, 9, 22] Rose, Tarjan, and Lueker [22] presented an algorithm for recognition of chordal graph in linear time. Along with their algorithm, the maximum clique of a chordal graph can also be found in linear time. Walter [28], Gavril [11] and Buneman [4] proved that a graph G is chordal if and only if G is the intersection graph of a family of subtrees of a tree. Observe that the square of a chordal graph is not necessarily chordal, as shown in Figure 10. However, we will show that any arbitrary powers of trees are ....
J.R. Walter. Representations of rigid cycle graphs. PhD thesis, Wayne State Univ., 1972.
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J. Walter. Representations of rigid cycle graphs. PhD thesis, Wayne State University, USA, 1972.
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