Aug 3, 2020 · We describe a polynomial-time algorithm which, given a graph G with treewidth t, approximates the pathwidth of G to within a ratio of O(t\sqrt{\log t}).
Mar 9, 2023 · We describe a polynomial-time algorithm which, given a graph G with treewidth t, approximates the pathwidth of G to within a ratio of O ( t ...
The approximation algorithm for pathwidth is then obtained by combining this algorithm with the approximation algorithm of Feige, Hajiaghayi, and Lee (STOC'05) ...
Our main technical algorithm takes a graph G and some (not necessarily optimal) tree decomposition of G of width t0 in the input, and it computes in polynomial ...
We describe a polynomial-time algorithm which, given a graph G with treewidth t, approximates the pathwidth of G to within a ratio of .
Mar 9, 2023 · We describe a polynomial-time algorithm which, given a graph G with treewidth t, approximates the pathwidth of G to within a ratio of ...
We describe a polynomial-time algorithm which, given a graph $G$ with treewidth $t$, approximates the pathwidth of $G$ to within a ratio of $O(t\sqrt{\log ...
The main point of this paper is that minimum front size and elimination tree height are intimately related to three other graph parameters, namely treewidth, ...