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Chapter 1 Elementary solutions of the classical wave equation
Chapter 1 Elementary solutions of the classical wave equation

... Ez = ...
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14.7 M - Thierry Karsenti

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Applied Superconductivity: Josephson Effects and Superconducting

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Just Relax: Convex Programming Methods for Identifying Sparse

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MA75 - Sparse over-determined system: weighted least squares

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momentum: conservation and transfer

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Magnetic form factors of rare earth ions
Magnetic form factors of rare earth ions

... an accurate theory of magnetic scattering which can be used to interpret several recent experiments which utilized the sensitivity of polarized neutron techniques to obtain precise measurements of rare earth form f a c t o r s . O f principal interest among these experiments are the ...
Polarized light scattering by hexagonal ice crystals
Polarized light scattering by hexagonal ice crystals

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Radiation Pressure of a Monochromatic Plane Wave on a Flat Mirror

< 1 ... 13 14 15 16 17 18 19 20 21 ... 214 >

Four-vector

In the theory of relativity, a four-vector or 4-vector is a vector in Minkowski space, a four-dimensional real vector space. It differs from a Euclidean vector in how its magnitude is determined. The transformations that preserve this magnitude are the Lorentz transformations, which include spatial rotations, boosts (a change by a constant velocity to another inertial reference frame), and temporal and spatial inversions. Regarded as a homogeneous space, the transformation group of Minkowski space is the Poincaré group, which adds to the Lorentz group the group of translations. The Lorentz group may be represented by 4×4 matrices.The article considers four-vectors in the context of special relativity. Although the concept of four-vectors also extends to general relativity, some of the results stated in this article require modification in general relativity.
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