reflection symmetric

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• Reflection symmetry — Reflection symmetry, line symmetry, mirror symmetry, mirror image symmetry, or bilateral symmetry is symmetry with respect to reflection.In 2D there is an axis of symmetry, in 3D a plane of symmetry. An object or figure which is indistinguishable …   Wikipedia

• Symmetric group — Not to be confused with Symmetry group. A Cayley graph of the symmetric group S4 …   Wikipedia

• Reflection (linear algebra) — In linear algebra, a reflection is a linear transformation that squares to the identity ( R 2 = I , where R is in K dimensional space), also known as an involution in the general linear group. In addition to reflections across hyperplanes, the… …   Wikipedia

• Symmetric algebra — In mathematics, the symmetric algebra S ( V ) (also denoted Sym ( V )) on a vector space V over a field K is the free commutative unital associative K algebra containing V .It corresponds to polynomials with indeterminates in V , without choosing …   Wikipedia

• Reflection (mathematics) — This article is about reflection in geometry. For reflexivity of binary relations, see reflexive relation. A reflection through an axis followed by a reflection across a second axis parallel to the first one results in a total motion which is a… …   Wikipedia

• reflection — reflectional, adj. reflectionless, adj. /ri flek sheuhn/, n. 1. the act of reflecting or the state of being reflected. 2. an image; representation; counterpart. 3. a fixing of the thoughts on something; careful consideration. 4. a thought… …   Universalium

• reflection — noun Etymology: Middle English, alteration of reflexion, from Late Latin reflexion , reflexio act of bending back, from Latin reflectere Date: 14th century 1. an instance of reflecting; especially the return of light or sound waves from a surface …   New Collegiate Dictionary

• Complex reflection group — In mathematics, a complex reflection group is a group acting on a finite dimensional complex vector space, that is generated by complex reflections: non trivial elements that fix a complex hyperplane in space pointwise. (Complex reflections are… …   Wikipedia

• Point reflection — In geometry, a point reflection is a type of isometry of Euclidean space. It is a reflection whose mirror is a single point. An object that is invariant under a point reflection is said to possess point symmetry.In two dimensions, a point… …   Wikipedia

• Nonomino — A nonomino (enneomino or 9 omino) is a polyomino of order 9, that is, a polygon in the plane made of 9 equal sized squares connected edge to edge.[1] The name of this type of figure is formed with the prefix non(a) . When rotations and… …   Wikipedia

• Frosty Leo Nebula — Protoplanetary nebula caption= 2003 Hubble Advanced Camera for Surveys HRC name = Frosty Leo Nebula epoch = J2000 ra = RA|09|39|53.96Harv|SIMBAD|2007] dec = DEC|+11|58|52.4 dist ly = 3.0 kly (920 pc)Harv|Davis|Smith|Gledhill|Varricatt|2005]… …   Wikipedia