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Least central subtrees, center, and centroid of a tree

2010; Wiley; Volume: 57; Issue: 4 Linguagem: Inglês

10.1002/net.20402

1097-0037

Martti Hamina, Matti Peltola,

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NetworksVolume 57, Issue 4 p. 328-332 Least central subtrees, center, and centroid of a tree Martti Hamina, Martti Hamina Mathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandSearch for more papers by this authorMatti Peltola, Corresponding Author Matti Peltola matti.peltola@ee.oulu.fi Mathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandMathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandSearch for more papers by this author Martti Hamina, Martti Hamina Mathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandSearch for more papers by this authorMatti Peltola, Corresponding Author Matti Peltola matti.peltola@ee.oulu.fi Mathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandMathematics Division, Faculty of Technology, University of Oulu, PB 4500, 90014 Oulu, FinlandSearch for more papers by this author First published: 18 August 2010 https://doi.org/10.1002/net.20402Citations: 3Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract In this article, we consider the joinsemilattice of subtrees of the tree. The minimal subtrees in the joinsemilattice center are least central subtrees. We show that for every tree any least central subtree contains every point of the center and at least one point of the centroid of the tree. © 2011 Wiley Periodicals, Inc. NETWORKS, Vol. 57(4), 328-332 2011 Citing Literature Volume57, Issue4July 2011Pages 328-332 RelatedInformation