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Matlab Experiments Manual for

Hilbert C*-modules
Hilbert C*-modules

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Polynomial amoebas and convexity

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Jeremy L. Martin`s Lecture Notes on Algebraic Combinatorics

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Solutionbank M1 - solution banks

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Clifford M. Will Theory and Experiment in Gravitational Physics 1993

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Relativistic coupled cluster theory - in molecular properties and in

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Chapter 1 Digraphs and Tournaments

Untitled
Untitled

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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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