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Words near each other
・ Tree viper
・ Tree vole
・ Tree volume measurement
・ Tree walking automaton
・ Tree warbler
・ Tree well
・ Tree weta
・ Tree Without Leaves
・ Tree's a Crowd
・ Tree, Swallows, Houses
・ Tree-adjoining grammar
・ Tree-athlon
・ Tree-class trawler
・ Tree-depth
・ Tree-free paper
Tree-graded space
・ Tree-in-bud sign
・ Tree-kangaroo
・ TREE-META
・ Tree-topper
・ Tree63
・ Tree63 (album)
・ Treebank
・ TreeBASE
・ Treebeard
・ Treece
・ Treece, Kansas
・ Treechada Petcharat
・ Treecreeper
・ Treed Murray


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Tree-graded space : ウィキペディア英語版
Tree-graded space
A geodesic metric space X is called ''tree-graded space'', with respect to a collection of connected proper subsets called ''pieces'', if any two distinct pieces intersect by at most one point, and every non-trivial simple geodesic triangle of X is contained in one of the pieces.
Thus, for pieces of bounded diameter, tree-graded spaces behave like real trees in their coarse geometry (in the sense of Gromov) while allowing non-tree-like behavior within the pieces.
Tree-graded spaces were introduced by in their study of the asymptotic cones of hyperbolic groups.
==References==

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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Tree-graded space」の詳細全文を読む



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