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- Universidade de São PauloBR31 papers
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12 papers · 1 filter
From Dirac spinor fields to ELKO
Roldao da Rocha, Julio M. Hoff da Silva
Dual-helicity eigenspinors of the charge conjugation operator (ELKO spinor fields) belong, together with Majorana spinor fields, to a wider class of spinor fields, the so-called fl…
Isotopic liftings of Clifford algebras and applications in elementary particle mass matrices
Roldao da Rocha, Jayme Vaz
Isotopic liftings of algebraic structures are investigated in the context of Clifford algebras, where it is defined a new product involving an arbitrary, but fixed, element of the…
The Hyperbolic Clifford Algebra of Multivecfors
W. A. Rodrigues, Q. A. G. de Souza
In this paper we give a thoughtful exposition of the hyperbolic Clifford algebra of multivecfors which is naturally associated with a hyperbolic space, whose elements are called ve…
Lie Symmetries and Criticality of Semilinear Differential Systems
Yuri Bozhkov, Enzo Mitidieri
We discuss the notion of criticality of semilinear differential equations and systems, its relations to scaling transformations and the Noether approach to Pokhozhaev's identities.…
Covariant Derivatives of Multivector and Multiform Fields
V. V. Fernandez, A. M. Moya, E. Notte-Cuello +1
A simple theory of the covariant derivatives, deformed derivatives and relative covariant derivatives of multivector and multiform fields is presented using algebraic and analytica…
Duality Products of Multivectors and Multiforms, and Extensors
V. V. Fernandez, A. M. Moya, E. Notte-Cuello +1
In this paper we study in details the properties of the duality product of multivectors and multiforms (used in the definition of the hyperbolic Clifford algebra of multivefors) an…