Revisiting the Top-Down Computation of BDD of Spanning Trees of a Graph and Its Tutte Polynomial

  • OLIVEIRA Farley Soares
    Graduate School of Information Science and Technology, The University of Tokyo
  • HIRAISHI Hidefumi
    Graduate School of Information Science and Technology, The University of Tokyo
  • IMAI Hiroshi
    Graduate School of Information Science and Technology, The University of Tokyo

Abstract

<p>Revisiting the Sekine-Imai-Tani top-down algorithm to compute the BDD of all spanning trees and the Tutte polynomial of a given graph, we explicitly analyze the Fixed-Parameter Tractable (FPT) time complexity with respect to its (proper) pathwidth, pw (ppw), and obtain a bound of O*(Bellmin{pw}+1,ppw}), where Belln denotes the n-th Bell number, defined as the number of partitions of a set of n elements. We further investigate the case of complete graphs in terms of Bell numbers and related combinatorics, obtaining a time complexity bound of Belln-O(n/log n).</p>

Journal

References(22)*help

See more

Related Projects

See more

Details 詳細情報について

Report a problem

Back to top