Extended axion electrodynamics: Optical activity induced by nonstationary dark matter-vector of macroscopic velocity of the axion system as a whole. We consider extended equations of axion
electrodynamics Gravitational radiation and nonlocal electrodynamics of the response of the given
electrodynamic system to a gravitational-wave action is discussed. © 2005 Springer
Physical theories in hypercomplex geometric description of quaternion variable repeat vacuum Maxwell equations of
electrodynamics, while a quaternion space with non
Self-gravitating three-dimensional solitons in nonlinear scale-invariant electrodynamicsA scale-invariant nonlinear modification of Maxwellian
electrodynamics within general relativity