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math.GM2003★ 3 cited
Standard-model symmetry in complexified spacetime algebra
Jose B. Almeida
Complexified spacetime algebra is defined as the geometric (Clifford) algebra of spacetime with complex coefficients, isomorphic . By resorting to matrix represe…
physics.optics2003
Wigner distribution transformations in high-order systems
J. B. Almeida, V. Lakshminarayanan
By combining the definition of the Wigner distribution function (WDF) and the matrix method of optical system modeling, we can evaluate the transformation of the former in centered…
physics.gen-ph2003
Elementary Particles as Solutions of a 4-Dimensional Source Equation
Jose B. Almeida
The author discusses particular solutions of a second order equation designated by source equation. This equation is special because the metric of the space where it is written is…