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math-ph2007
Galilei invariant theories. III. Wave equations for massless fields
J. Niederle, A. G. Nikitin
Galilei invariant equations for massless fields are obtained via contractions of relativistic wave equations. It is shown that the collection of non-equivalent Galilei-invariant wa…
math-ph2007★ 3 cited
Galilei invariant theories. II. Wave equations for massive fields
J. Niederle, A. G. Nikitin
Galilei invariant equations for massive fields with various spins are found and classified. They have been obtained directly, i.e., by using requirement of Galilei invariance and t…