𝔖 Bobbio Scriptorium
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Fixed-parameter tractability and lower bounds for stabbing problems

✍ Scribed by Giannopoulos, Panos; Knauer, Christian; Rote, Günter; Werner, Daniel


Book ID
120370410
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
462 KB
Volume
46
Category
Article
ISSN
0925-7721

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Consider a forest of k trees and n nodes together with a (partial) function s mapping leaves of the trees to non-root nodes of other trees. Define the shadow of a leaf c to be the subtree rooted at sðcÞ: The shadow problem asks whether there is a set S of leaves exactly one from each tree such that