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Reshetnyak gluing theorem : ウィキペディア英語版 | Reshetnyak gluing theorem In metric geometry, the Reshetnyak gluing theorem gives information on the structure of a geometric object build by using as building blocks other geometric objects, belonging to a well defined class. Intuitively, it states that a manifold obtained by joining (i.e. "''gluing''") together, in a precisely defined way, other manifolds having a given property inherit that very same property. The theorem was first stated and proved by Yurii Reshetnyak in 1968.〔See the original paper by or the book by .〕 ==Statement==
Theorem: Let be complete locally compact geodesic metric spaces of CAT curvature , and convex subsets which are isometric. Then the manifold , obtained by gluing all along all , is also of CAT curvature . For an exposition and a proof of the Reshetnyak Gluing Theorem, see .
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「Reshetnyak gluing theorem」の詳細全文を読む
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