collineation dans le dictionnaire italien Oxford-Paravia

Traductions de collineation dans le dictionnaire anglais»italien

collineation [ˌkəlɪniːˈeɪʃn] SUBST

collineation

collineazione f

Traductions de collineation dans le dictionnaire italien»anglais

Autres traductions et expressions typiques avec les termes de votre recherche

collineazione

collineation

Exemples monolingues (non-vérifiés par l'équipe de rédaction)

anglais

A duality is a collineation from a projective space onto its dual space, taking points to hyperplanes (and vice versa) and preserving incidence.

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Thus, the fixed point and fixed line structure for any collineation either form a projective plane by themselves, or a degenerate plane.

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It is a bijection that maps lines to lines, and thus a collineation.

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One may also define collineation groups for axiomatically defined projective spaces, where there is no natural notion of a projective "linear" transform.

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Not that a central collineation is uniquely defined by its center, its axis, a point and its image.

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The geometric view of a central collineation is easiest to see in a projective plane.

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More precisely, the collineation group is the projective semilinear group, which is the semidirect product of homographies by automorphic collineations.

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Some authors restrict the definition of collineation to the case where it is an automorphism.

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It is obvious now that is a collineation.

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The composition of two central collineations, while still a homography, will in general not be a central collineation.

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