indecomposable
41Nichols algebra — The Nichols algebra of a braided vector space (with the braiding often induced by a finite group) is a braided Hopf algebra which is denoted by and named after the mathematician Warren Nichols. It takes the role of quantum Borel part of a pointed …
42élément — [ elemɑ̃ ] n. m. • Xe; « doctrine » fin IXe; lat. elementum I ♦ Partie constitutive d une chose. 1 ♦ Chacune des choses dont la combinaison, la réunion forme une autre chose. ⇒ 2. composant, composante, ingrédient, morceau, partie. Les éléments d …
43simple — [ sɛ̃pl ] adj. et n. • déb. XII e; lat. simplex I ♦ (Personnes) 1 ♦ Qui agit selon ses sentiments, avec une honnêteté naturelle et une droiture spontanée. ⇒ 1. droit, 2. franc. Homme simple et bon. Une grande fille toute simple. « Un cœur simple… …
44Michael Atiyah — Sir Michael Atiyah Born 22 April 1929 (1929 04 22) (age 82) …
45Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …
46Local ring — In abstract algebra, more particularly in ring theory, local rings are certain rings that are comparatively simple, and serve to describe what is called local behaviour , in the sense of functions defined on varieties or manifolds, or of… …
47Quiver (mathematics) — In mathematics, a quiver is a directed graph where loops and multiple arrows between two vertices are allowed. They are commonly used in representation theory: a representation , V, of a quiver assigns a vector space V(x) to each vertex x of the… …
48Indecomposability — In constructive mathematics, indecomposability or indivisibility ( de. unzerlegbarkeit, from the adjective unzerlegbar ) is the principle that the continuum cannot be partitioned into two nonempty pieces. This principle was established by Brouwer …
49Alphabet mandéen — Mandéen Caractéristiques Type Alphabet Langue(s) Mandéen Néo araméen occidental Néo araméen oriental Direction droite à gauche Historique Système(s) p …
50Eigenvalues and eigenvectors — For more specific information regarding the eigenvalues and eigenvectors of matrices, see Eigendecomposition of a matrix. In this shear mapping the red arrow changes direction but the blue arrow does not. Therefore the blue arrow is an… …
