A geodesic
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Christmas tree (disambiguation) — A Christmas tree is a festive decoration. It may also refer to: The Christmas Tree (film), a 1996 TV Movie starring Julie Harris and Andrew McCarthy Christmas tree, a common name for the West Australian plant Nuytsia floribunda Christmas tree… … Wikipedia
Knowledge space — In mathematical psychology, a knowledge space is a combinatorial structure describing the possible states of knowledge of a human learner. [citation|title=Knowledge Spaces|last1=Doignon|first1=J. P.|last2=Falmagne|first2=J. Cl.|publisher=Springer … Wikipedia
List of mathematics articles (T) — NOTOC T T duality T group T group (mathematics) T integration T norm T norm fuzzy logics T schema T square (fractal) T symmetry T table T theory T.C. Mits T1 space Table of bases Table of Clebsch Gordan coefficients Table of divisors Table of Lie … Wikipedia
Bass–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… … Wikipedia
Ultralimit — For the direct limit of a sequence of ultrapowers, see Ultraproduct. In mathematics, an ultralimit is a geometric construction that assigns to a sequence of metric spaces Xn a limiting metric space. The notion of an ultralimit captures the… … Wikipedia
Rips machine — In geometric group theory, the Rips machine is a method of studying the action of groups on R trees. It was introduced in unpublished work of Eliyahu Rips in about 1991. An R tree is a uniquely arcwise connected metric space in which every arc is … Wikipedia
Ultralimite — En mathématiques, une ultralimite est une construction géométrique qui associe à une suite d espaces métriques Xn un espace métrique qui est leur limite . Cette construction est une généralisation de la convergence au sens de Hausdorff, et… … Wikipédia en Français
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… … Universalium
Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… … Universalium
