AN OUTLINE of the LIFE and WORK of Em B, CHRISTOFFEL
Historia Mathematics 8 (1981) 243-276 AN OUTLINEOF THE LIFE AND WORKOF Em B, CHRISTOFFEL(18294900) BY PAUL L. BUTZER LEHRSTUHL A FUR MATHEMATIK, RHEINISCH-WESTFALISCHE TECHNISCHE HOCHSCHULE, AACHEN, FEDERAL REPUBLIC OF GERMANY SUMMARIES This article begins with an account of the life of Christoffel and of the intellectual milieu in which he worked, namely, the Institutes of Technology in Ziirich and Berlin, and the University of Strasbourg. A survey of Christoffel's work follows. His major contributions lie in diverse areas: (i) geometry, including the foundations of tensor analysis; (ii) function theory, including conformal mappings, abelian integrals, and theta functions; (iii) numerical analysis; (iv) orthog- onal polynomials and continued fractions; (v) ordinacy and partial differential equations, potential theory; (vi) theory of shock waves; and (vii) dispersion of light. Finally, an attempt is made to assess Christoffel's work and its subsequent influence upon the development of modern mathematics, physics, and mechanics. Cet article commence par un rapport de la vie de Christoffel et du milieu intellectuel dans lequel il travaillait, c'est 2 dire, des institutes polytech- niques de Ziirich et Berlin, ainsi que de l'universite de Strasbourg. Ce rapport est suivi d'un r&sum& de l'oeuvre de Christoffel. Ses contributions les plus importantes comprennent des articles dans des branches diverses: (i) geometric, les fondements de l'analyse tensorielle y compris; (ii) theorie des fonctions, les applications conformes, les integrales abeliennes et les fonctions theta y compris; (iii) analyse numerique; (iv) polynomes orthogonaux et fractions continues; (v) equations differentielles ordinaires et equations differentielles aux d&iv&es partielles, theorie du potentiel; (vi) theorie des ondes de choc; et (vii) dispersion de la lumiere.
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