Structure of factor algebras and clifford algebra

Jordan, 1870, Traité de Substitutions, 114 Dickson, 1902, Amer. J. Math., 24, 101, 10.2307/2369965 Sobczyk, 1993, Jordan form in Clifford algebras Turnbull, 1969 Sobczyk, 1995, Clifford algebra techniques in linear algebra, 321, 101 Shilov, 1977 Gantmacher, 1960, Vol. 1 Sobczyk, 1992, Unipotents, idempotents, and a spinor basis for matrices, Advances in Applied Clifford Algebras, Vol. 2, 53 Hestenes, 1984 Lounesto, 1981, Scalar product of spinors and an extension of Brauer-Wall groups, Found. Phys., 11, 721, 10.1007/BF00726946