Beites, P. D.Nicolás, A. P.Saraiva, PauloVitoria, Jose2020-02-052020-02-052018http://hdl.handle.net/10400.6/9044Through a matrix approach of the 2-fold vector cross product in R^3 and in R^7, some vector cross product di erential and di erence equations are studied. Either the classical theory or convenient Drazin inverses, of elements belonging to the class of index 1 matrices, are applied.eng2-fold vector cross productVector cross product di erential equationVector cross product di erence equation.journal article