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IEICE TRANSACTIONS on Information

On a Spectral Lower Bound of Treewidth

Tatsuya GIMA, Tesshu HANAKA, Kohei NORO, Hirotaka ONO, Yota OTACHI

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Summary :

In this letter, we present a new lower bound for the treewidth of a graph in terms of the second smallest eigenvalue of its Laplacian matrix. Our bound slightly improves the lower bound given by Chandran and Subramanian [Inf. Process. Lett., 87 (2003)].

Publication
IEICE TRANSACTIONS on Information Vol.E107-D No.3 pp.328-330
Publication Date
2024/03/01
Publicized
2023/06/16
Online ISSN
1745-1361
DOI
10.1587/transinf.2023FCL0002
Type of Manuscript
Special Section LETTER (Special Section on Foundations of Computer Science — Foundations of Computer Science and their New Trends —)
Category

Authors

Tatsuya GIMA
  Nagoya University
Tesshu HANAKA
  Kyushu University
Kohei NORO
  Nagoya University
Hirotaka ONO
  Nagoya University
Yota OTACHI
  Nagoya University

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