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The " covariant formulation of classical electromagnetism " refers to ways of writing the laws of classical electromagnetism ( in particular , Maxwell 's equations and the Lorentz force ) in a form that is manifestly invariant under Lorentz transformations , in the formalism of special relativity using rectilinear inertial coordinate systems .
 Maxwell, Lorentz, Lorentz
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 Maxwell, Lorentz, Lorentz