Item #10488 Oeuvres de Jacques Hadamard (4 Volume Set). Jacques Hadamard.

Oeuvres de Jacques Hadamard (4 Volume Set)

Paris: Centre National de la Recherche Scientifique, 1968. 1st Thus. Hardcover. 8vo - over 7. Very Good. Item #10488

Four volumes complete. Brown cloth with white lettering to front boards and spines. Scarce as a set. Square Tight Bindings. Clean interiors. light dusting to text block edges.

A handsome and uncommon set. Text in French.

'In 1892 Hadamard married Louise-Anna TrÃnel, also of Jewish descent, with whom he had three sons and two daughters. The following year he took up a lectureship in the University of Bordeaux, where he proved his celebrated inequality on determinants, which led to the discovery of Hadamard matrices when equality holds. In 1896 he made two important contributions: he proved the prime number theorem, using complex function theory (also proved independently by Charles Jean de la Valle-Poussin); and he was awarded the Bordin Prize of the French Academy of Sciences for his work on geodesics in the differential geometry of surfaces and dynamical systems. In the same year he was appointed Professor of Astronomy and Rational Mechanics in Bordeaux. His foundational work on geometry and symbolic dynamics continued in 1898 with the study of geodesics on surfaces of negative curvature. For his cumulative work, he was awarded the Prix Poncelet in 1898.After the Dreyfus affair, which involved him personally because his second cousin Lucie was the wife of Dreyfus, Hadamard became politically active and a staunch supporter of Jewish causes[6][failed verification] though he professed to be an atheist in his religion.In 1897 he moved back to Paris, holding positions in the Sorbonne and the Collge de France, where he was appointed Professor of Mechanics in 1909. In addition to this post, he was appointed to chairs of analysis at the Polytechnique in 1912 and at the Centrale in 1920, succeeding Jordan and Appell. In Paris Hadamard concentrated his interests on the problems of mathematical physics, in particular partial differential equations, the calculus of variations and the foundations of functional analysis. He introduced the idea of well-posed problem and the method of descent in the theory of partial differential equations, culminating in his seminal book on the subject, based on lectures given at Yale University in 1922.

Later in his life he wrote on probability theory and mathematical education.Hadamard was elected to the French Academy of Sciences in 1916, in succession to Poincaré, whose complete works he helped edit. He became foreign member of the Royal Netherlands Academy of Arts and Sciences in 1920.

He was elected a foreign member of the Academy of Sciences of the USSR in 1929. He visited the Soviet Union in 1930 and 1934 and China in 1936 at the invitation of Soviet and Chinese mathematicians. Hadamard stayed in France at the beginning of the Second World War and escaped to southern France in 1940.

The Vichy government permitted him to leave for the United States in 1941 and he obtained a visiting position at Columbia University in New York. He moved to London in 1944 and returned to France when the war ended in 1945.' - Wiki.


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