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1. Optical scalars: In general relativity, optical scalars refer to a set of three scalar functions \displaystyle{ \{ \hat\theta }[/math] (expansion), \displaystyle{ \hat\sigma }[/math] (shear) and \displaystyle{ \hat\omega }[/math] (twist/rotation/vorticity)\displaystyle{ \} }[/math] describing the propagation of a geodesic null ... (Physics) [100%] 2023-03-31 [General relativity]
2. Ricci scalars (Newman–Penrose formalism): In the Newman–Penrose (NP) formalism of general relativity, independent components of the Ricci tensors of a four-dimensional spacetime are encoded into seven (or ten) Ricci scalars which consist of three real scalars \displaystyle{ \{\Phi_{00}, \Phi_{11}, \Phi_ ... (Physics) [63%] 2022-08-01 [General relativity]

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1. SCALARE: The research project SCALARE (SCALing softwARE) is a European ITEA 2 project. The aim of the international project SCALARE is to develop a Scaling Management Framework (SMF). (Organization) [100%] 2022-08-21 [Information technology organizations]
2. Scalar: In physics, the word scalar is often used to refer simply to a real or complex number. In other contexts, where vectors and tensors may also play a role, a scalar is defined by its transformation properties. [93%] 2022-08-07
3. Scalar (mathematics): A scalar is an element of a field which is used to define a vector space. In linear algebra, real numbers or generally elements of a field are called scalars and relate to vectors in an associated vector space through ... (Mathematics) [93%] 2023-09-24 [Scalars] [Linear algebra]...
4. Scalar: A scalar or scalar quantity in physics is a physical quantity that can be described by a single element of a number field such as a real number, often accompanied by units of measurement (eg. cm). (Physics) [93%] 2023-09-30 [Concepts in physics]
5. Scalar (mathematics): A scalar is an element of a field which is used to define a vector space. In linear algebra, real numbers or generally elements of a field are called scalars and relate to vectors in an associated vector space through ... (Mathematics) [93%] 2023-03-13 [Scalars] [Linear algebra]...
6. Scalar: A quantity all values of which can be expressed by one (real) number. More generally, a scalar is an element of some field. (Mathematics) [93%] 2023-03-05