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Couverture fascicule

Le rôle des équations fonctionnelles dans l'Analyse algébrique de Cauchy

[article]

Année 1992 45-1 pp. 25-50
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Le rôle

des équations fonctionnelles

dans Y Analyse algébrique

de Cauchy

Les équations fonctionnelles de Cauchy

Indéniablement, Cauchy adopta le thème des équations fonctionnelles. Dans son Cours d'Analyse de l'Ecole royale polytechnique, il attaquait la résolution simultanée des quatre équations qui résultent de l'échange des opérations de multiplication et d'addition :

(A) ф{х + у) = ф(х) + ф(у),

(B) ф(х + у) = ф(х)ф(у),

Rev. Hist. ScL, 1992, XL V/l

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