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121EBow — The EBow or ebow (brand name for Electronic Bow or Energy Bow) (often spelled E bow in common usage) [ [http://www.ebow.com/ebow/faq.htm#0130 The EBow FAQ ] ] is a hand held, battery powered electronic device for playing the electric guitar,… …
122Secuencia de Prüfer — En matemática combinatoria, la secuencia de Prüfer (o código de Prüfer) de un árbol etiquetado es una secuencia única asociada al árbol. La secuencia de un árbol con n vértices tiene longitud n − 2, y puede ser generada por un algoritmo iterativo …
123Cloud forest — Tree ferns in cloud forest on Mount Kinabalu, Borneo A cloud forest, also called a fog forest, is a generally tropical or subtropical evergreen montane moist forest characterized by a persistent, frequent or seasonal low level cloud cover,… …
124Glossary of graph theory — Graph theory is a growing area in mathematical research, and has a large specialized vocabulary. Some authors use the same word with different meanings. Some authors use different words to mean the same thing. This page attempts to keep up with… …
125Bass–Serre theory — is a part of the mathematical subject of group theory that deals with analyzing the algebraic structure of groups acting by automorphisms on simplicial trees. The theory relates group actions on trees with decomposing groups as iterated… …
126Top Trees — The Top Tree is a binary tree based data structure for unrooted dynamic trees which is used mainly for carrying out various path related operations, it allows simple Divide and conquer algorithms. It has since been augmented to maintain… …
127Pseudoforest — A 1 forest (a maximal pseudoforest), formed by three 1 trees In graph theory, a pseudoforest is an undirected graph[1] in which every connected component has at most one cycle. That is, it is a system of vertices and edges connecting pairs of ve …
128U2 — Infobox musical artist Name = U2 Img capt = U2 performing at Madison Square Garden in November 2005 Img size = 250 Landscape = yes Background = group or band Alias = Origin = Dublin, Ireland Genre = Rock, post punk, alternative rock Years active …
