𝔖 Bobbio Scriptorium
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Introducing Directed Tree Width

✍ Scribed by B. Reed


Book ID
108498097
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
111 KB
Volume
3
Category
Article
ISSN
1571-0653

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We generalize the concept of tree-width to directed graphs and prove that every directed graph with no ``haven'' of large order has small tree-width. Conversely, a digraph with a large haven has large tree-width. We also show that the Hamilton cycle problem and other NP-hard problems can be solved i

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We show that (1) the recognition of tree-width bounded graphs and (2) the decidability of graph properties--which are defined by finite equivalence relations on \(h\)-sourced graphs-on tree-width bounded graphs belong to the complexity class LOGCFL. This is the lowest complexity class known for thes

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