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ordering of field

См. также в других словарях:

  • Field (mathematics) — This article is about fields in algebra. For fields in geometry, see Vector field. For other uses, see Field (disambiguation). In abstract algebra, a field is a commutative ring whose nonzero elements form a group under multiplication. As such it …   Wikipedia

  • Real closed field — In mathematics, a real closed field is a field F in which any of the following equivalent conditions are true:#There is a total order on F making it an ordered field such that, in this ordering, every positive element of F is a square in F and… …   Wikipedia

  • Ordered field — In mathematics, an ordered field is a field together with a total ordering of its elements that is compatible with the field operations. Historically, the axiomatization of an ordered field was abstracted gradually from the real numbers, by… …   Wikipedia

  • Scalar field theory (pseudoscience) — For the quantum mechanical scalar field theory which is a field theory of spinless particles, see Scalar field theory Scalar field theory (SFT) is a set of theories in a model which posits that there is a basic mechanism that produces the… …   Wikipedia

  • Path-ordering — In theoretical physics, path ordering is the procedure (or a meta operator {mathcal P}) of ordering a product of many operators according to the value of one chosen parameter::{mathcal P} left [O 1(sigma 1)O 2(sigma 2)dots O N(sigma N) ight] := O …   Wikipedia

  • Correlation function (quantum field theory) — For other uses, see Correlation function (disambiguation). Quantum field theory …   Wikipedia

  • Formally real field — In mathematics, a formally real field in field theory is a field that shares certain algebraic properties with the real number field. A formally real field F may be characterized in any of the following equivalent ways:* −1 is not a sum of… …   Wikipedia

  • Cosmic ordering — is the name given to a version of positive thinking that was renamed by Bärbel Mohr of Munich, Germany. She first outlined her own version in her own magazine called Sonnenwind (Solar Wind), and then expanded these ideas into a book called Cosmic …   Wikipedia

  • Euclidean field — In mathematics, a Euclidean field is an ordered field K for which every non negative element is a square: that is, x ≥ 0 in K implies that x = y 2 for some y in K .Properties* Every Euclidean field is an ordered Pythagorean field, but the… …   Wikipedia

  • Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …   Wikipedia

  • Scalar field theory — In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A field which is invariant under any Lorentz transformation is called a scalar , in contrast to a vector or tensor field. The quanta of the… …   Wikipedia

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