P., Gauthier-Villars, 1897, un volume in 8 broché, couvertures imprimées (quelques rousseurs sur la courverture), 1 portrait, 10pp., 61pp., (1)
---- EDITION ORIGINALE et PREMIERE EDITION SEPAREE DES OEUVRES MATHEMATIQUES D'EVARISTE GALOIS ---- "A ROMANTIC AND POWERFULL GENIUS" ---- "La théorie des équations a fait au XIXe siècle des progrès décisifs... Mais la découverte la plus profonde, celle qui a fait pénétrer au coeur de la question est celle de Galois. Le premier, Galois met en évidence l'importance du groupe de l'équation... Une autre notion très importante est celle des sous-groupes dits invariants, contenus dans le groupe primitif... Galois tire de ces principes des résultats très remarquables qui sont actuellement la base de la théorie des équations...". (Rouse Ball II pp. 176/178) ---- "Galois proved the important theorem that every invariant subgroup gives rise to a quotient group which exhibits many fundamental properties of the group. He showed that to each algebraic equation corresponds a group of substitions which reflects the essential character of the equation... (Cajori pp. 351/352) ---- DSB V pp. 259/264**2260/ARM4
P., Gauthier-Villars, 1962, un volume in 4, broché, couverture imprimée, (17), 21pp., 541pp., portraits et fac-similés d'écriture de E. Galois
---- EDITION ORIGINALE ---- BEL EXEMPLAIRE ---- "Beginning with Liouville' edition, which was reproduced in book form in 1897 by J. Picard, Galois's work became progressively known of mathematicians and exerted a profound influence on the development of modern mathematics. Also important, although they came to light too late to contribute to the advance of mathematics, are the previously unpublished texts that appeared later. In 1961 the exemplary critical edition of R. Bourgne and J.P. Azra united all of Galois's previously published writings and most of the remaining mathematical outlines and rough drafts. While this new documentary material provides no assistance to present-day mathematicians with their own problems, it does permit us to understand better certain aspects of Galois's research and it will perhaps help in resolving a few remaining enigmas concerning the basis courses of his thought". (DSB V p. 262)**2262/N6DE-CART.8
Paris, Gauthier-Villars, 1962, in-4to, 2 ff. faux-titre et titre +XXI + 16 feuilles (facsimiles) + 541 p. cachet sur feuille blanche, reliure en d.-cuir vert aux coins sur brochure, dos avec titre & auteurs dotés. Qqs pts piqueres t traces d’usage. / Hardbound with orig. wrappers bound in.
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Paris, Gauthier-Villars, 1962, format in-4° (28 cm), xxi pp + 14 pp (facsimiles) + 541 pp. Broché, couverture souple d'origine . Dos et couverture légèrement décoloriées sinon bon exemplaire. Original softcover. Cover and spine discoloured, apart from that a good copy.