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Hermite polynomials, Hermite normal form, Hermitian operators, and cubic Hermite splines are named in his honor. One of his students was Henri Poincaré.
In a letter to Thomas Stieltjes in 1893, Hermite famously remarked: "I turn with terror and horror from this lamentable scourge of continuous functions with no derivatives."
LifeBorn at Dieuze, Lorraine, 24 December, 1822 he was the son of a salt mine engineer, Ferdinand Hermite. His mother was Madeleine Lallemand. The family moved to run a drapers business in Nancy in 1828 and his father also pursued ambitions as an artist. Charles was the sixth of his parents seven children. Charles had a defect in his right foot which meant that from boyhood he moved around with difficulty.
Hermite wanted to study at the École Polytechnique and he took a year preparing for the examinations and was tutored by Catalan between 1841-42. In 1842 he entered the Ecole Polytechnique, where he remained as a student for a short time. After one year at the École Polytechnique Hermite was refused the right to continue his studies because of his disability. He had to fight to regain his place which he won but with strict conditions imposed. Hermite found this unacceptable and decided to leave the École Polytechnique without graduating. As a boy he read some of the writings of Joseph Louis Lagrange on the solution of numerical equations, and of Carl Gauss on the theory of numbers. In 1842, his first original contribution to mathematics, in which he gave a simple proof of the proposition of Niels Abel concerning the impossibility of obtaining an algebraic solution for the equation of the fifth degree, was published in the "Nouvelles Annales de Mathématiques". A correspondence with Carl Jacobi, begun in 1843 and continued in 1844, led to the insertion, in the complete edition of Jacobi's works, of two articles by Hermite, one concerning the extension to Abelian functions of one of the theorems of Abel on elliptic functions, and the other concerning the transformation of elliptic functions. After spending five years working privately towards his degree, in which he befriended eminent mathematicians Joseph Bertrand, Carl Gustav Jacob Jacobi, and Joseph Liouville, he took and passed the examinations for the baccalauréat, which he was awarded in 1847. He married Joseph Bertrand's sister, Louise Bertrand in 1848. In 1848, Hermite returned to the Ecole Polytechnique as répétiteur and examinateur d'admission. In 1856, through the influence of Augustin Cauchy and of a nun who nursed him, he resumed the practice of his religion. On 14 July, of that year, he was elected to fill the vacancy created by the death of Jacques Binet in the Académie des Sciences. In 1869, he succeeded Jean-Marie Duhamel as professor of mathematics, both at the Ecole Polytechnique, where he remained until 1876, and in the Faculty of Sciences of Paris, which position he occupied until his death. From 1862 to 1873 he was lecturer at the Ecole Normale Supérieure. Upon his seventieth birthday, on the occasion of his jubilee which was celebrated at the Sorbonne under the auspices of an international committee, he was promoted grand officer of the Légion d'honneur. He died at Paris, 14 January, 1901, aged 78. Contribution to mathematicsAs a teacher Hermite was inspiring. His correspondence with Thomas Stieltjes testifies to the great aid he gave those entering scientific life. His efforts in teaching were directed not towards too rigorous minuteness, but towards exciting admiration for things simple and beautiful. His published courses of lectures have exercised a wide influence. His important original contributions to pure mathematics, published in the leading mathematical journals of the world, dealt chiefly with Abelian and elliptic functions and the theory of numbers. In 1858 he solved the equation of the fifth degree by elliptic functions; and in 1873 he proved e, the base of the natural system of logarithms, to be transcendent. This last was used by Ferdinand von Lindemann to prove in 1882 the same for pi. PublicationsThe following is a list of his works.
Quotation" There exists, if I am not mistaken, an entire world which is the totality of mathematical truths, to which we have access only with our mind, just as a world of physical reality exists, the one like the other independent of ourselves, both of divine creation. " Charles Hermite
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