non-symmetry

См. также в других словарях:

• Symmetry of second derivatives — In mathematics, the symmetry of second derivatives (also called the equality of mixed partials) refers to the possibility of interchanging the order of taking partial derivatives of a function of n variables. If the partial derivative with… …   Wikipedia

• Symmetry in physics — refers to features of a physical system that exhibit the property of symmetry that is, under certain transformations, aspects of these systems are unchanged , according to a particular observation. A symmetry of a physical system is a physical or …   Wikipedia

• Symmetry (physical attractiveness) — Symmetry, especially facial symmetry, is one of a number of aesthetic traits, including averageness and youthfulness, associated with health, physical attractiveness and beauty of a person or non human animal. [cite book | last = Rhodes | first …   Wikipedia

• Non-classical ion — Non classical ions in organic chemistry are a special type of carbonium ions displaying delocalization of sigma bonds in 3 center 2 electron bonds of bridged systems.[1] The term non classical ion was first used by John D. Roberts in 1951[2][3]… …   Wikipedia

• Symmetry — For other uses, see Symmetry (disambiguation) …   Wikipedia

• Non-topological soliton — In quantum field theory, a non topological soliton (NTS) is a field configuration possessing, contrary to a topological one, a conserved Noether charge and stable against transformation into usual particles of this field for the following reason …   Wikipedia

• Symmetry group — Not to be confused with Symmetric group. This article is about the abstract algebraic structures. For other meanings, see Symmetry group (disambiguation). A tetrahedron can be placed in 12 distinct positions by rotation alone. These are… …   Wikipedia

• Non-critical string theory: Lorentz invariance — Usually non critical string theory is considered in frames of the approach proposed by Polyakov [1]. The other approach has been developed in [2] [3] [4]. It represents a universal method to maintain explicit Lorentz invariance in any quantum… …   Wikipedia

• Non-Radiative Dielectric waveguide (NRD) — Figure 1 Contents 1 Introduction 2 The dispersion relation in the NRD wave …   Wikipedia

• Non-stoichiometric compound — Crystallographic defects can cause solids to be non stoichiometric Non stoichiometric compounds are chemical compounds with an elemental composition that cannot be represented by a ratio of well defined natural numbers, and therefore violate the… …   Wikipedia

• Non-critical string theory — The non critical string theory describes the relativistic string without enforcing the critical dimension. Although this allows the construction of a string theory in 4 spacetime dimensions, such a theory usually does not describe a Lorentz… …   Wikipedia