Edge ideals of squares of trees

31 Mar 2020 Olteanu Anda

We describe all the trees with the property that the corresponding edge ideal of the square of the tree has a linear resolution. As a consequence, we give a complete characterization of those trees $T$ for which the square is co-chordal, that is the complement of the square, $(T^2)^c$, is a chordal graph... (read more)

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  • COMMUTATIVE ALGEBRA
  • COMBINATORICS