involutive automorphism

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• Antihomomorphism — In mathematics, an antihomomorphism is a type of function defined on sets with multiplication that reverses the order of multiplication. An antiautomorphism is an antihomomorphism which has an inverse as an antihomomorphism; this coincides with… …   Wikipedia

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• Adjoint D'un Endomorphisme — Opérateur adjoint En mathématiques l adjoint d un opérateur, quand il existe, est un nouvel opérateur défini sur un espace vectoriel sur le corps des nombres réels ou complexes et munis d un produit scalaire. Un tel espace est qualifié de… …   Wikipédia en Français

• Adjoint d'un endomorphisme — Opérateur adjoint En mathématiques l adjoint d un opérateur, quand il existe, est un nouvel opérateur défini sur un espace vectoriel sur le corps des nombres réels ou complexes et munis d un produit scalaire. Un tel espace est qualifié de… …   Wikipédia en Français

• Opérateur adjoint — En mathématiques l adjoint d un opérateur, quand il existe, est un nouvel opérateur défini sur un espace vectoriel sur le corps des nombres réels ou complexes, muni d un produit scalaire. Un tel espace est qualifié de préhilbertien. Si l… …   Wikipédia en Français

• Pati-Salam model — In physics, the Pati Salam model is a Grand Unification Theory (GUT) which states that the gauge group is either SU(4) times; SU(2)L times; SU(2)R or ( SU(4) times; SU(2)L times; SU(2)R ) / Z2 and the fermions form three families, each consisting …   Wikipedia

• Hopf algebra — In mathematics, a Hopf algebra, named after Heinz Hopf, is a structure that is simultaneously a (unital associative) algebra, a coalgebra, and has an antiautomorphism, with these structures compatible.Hopf algebras occur naturally in algebraic… …   Wikipedia