Abel, Niels Henrik

▪ Norwegian mathematicianborn August 5, 1802, island of Finnøy, near Stavanger, Norwaydied April 6, 1829, FrolandNorwegian mathematician, a pioneer in the development of several branches of modern mathematics.Abel's father was a poor Lutheran minister who moved his family to the parish of Gjerstad, near the town of Risør in southeast Norway, soon after Niels Henrik was born. In 1815 Niels entered the cathedral school in Oslo, where his mathematical talent was recognized in 1817 with the arrival of a new mathematics teacher, Bernt Michael Holmboe, who introduced him to the classics in mathematical literature and proposed original problems for him to solve. Abel studied the mathematical works of the 17thcentury Englishman Sir Isaac Newton (Newton, Sir Isaac), the 18thcentury German Leonhard Euler (Euler, Leonhard), and his contemporaries the Frenchman JosephLouis Lagrange (Lagrange, JosephLouis, comte de l'Empire) and the German Carl Friedrich Gauss (Gauss, Carl Friedrich) in preparation for his own research.Abel's father died in 1820, leaving the family in straitened circumstances, but Holmboe contributed and raised funds that enabled Abel to enter the University of Christiania (Oslo) in 1821. Abel obtained a preliminary degree from the university in 1822 and continued his studies independently with further subsidies obtained by Holmboe.Abel's first papers, published in 1823, were on functional equations and integrals; he was the first person to formulate and solve an integral equation. His friends urged the Norwegian government to grant him a fellowship for study in Germany and France. In 1824, while waiting for a royal decree to be issued, he published at his own expense his proof of the impossibility of solving algebraically the general equation of the fifth degree, which he hoped would bring him recognition. He sent the pamphlet to Gauss, who dismissed it, failing to recognize that the famous problem had indeed been settled.Abel spent the winter of 1825–26 with Norwegian friends in Berlin, where he met August Leopold Crelle (Crelle, August Leopold), civil engineer and selftaught enthusiast of mathematics, who became his close friend and mentor. With Abel's warm encouragement, Crelle founded the Journal für die reine und angewandte Mathematik (“Journal for Pure and Applied Mathematics”), commonly known as Crelle's Journal. The first volume (1826) contains papers by Abel, including a more elaborate version of his work on the quintic equation. Other papers dealt with equation theory, calculus, and theoretical mechanics. Later volumes presented Abel's theory of elliptic functions (elliptic equation), which are complex functions (see complex number) that generalize the usual trigonometric functions.In 1826 Abel went to Paris, then the world centre for mathematics, where he called on the foremost mathematicians and completed a major paper on the theory of integrals of algebraic functions. His central result, known as Abel's theorem, is the basis for the later theory of Abelian integrals and Abelian functions, a generalization of elliptic function theory to functions of several variables. However, Abel's visit to Paris was unsuccessful in securing him an appointment, and the memoir he submitted to the French Academy of Sciences (Sciences, Academy of) was lost.Abel returned to Norway heavily in debt and suffering from tuberculosis. He subsisted by tutoring, supplemented by a small grant from the University of Christiania and, beginning in 1828, by a temporary teaching position. His poverty and ill health did not decrease his production; he wrote a great number of papers during this period, principally on equation theory and elliptic functions. Among them are the theory of polynomial equations with Abelian groups. He rapidly developed the theory of elliptic functions in competition with the German Carl Gustav Jacobi (Jacobi, Carl). By this time Abel's fame had spread to all mathematical centres, and strong efforts were made to secure a suitable position for him by a group from the French Academy, who addressed King Bernadotte (Bernadotte, House of) of NorwaySweden; Crelle also worked to secure a professorship for him in Berlin.In the fall of 1828 Abel became seriously ill, and his condition deteriorated on a sled trip at Christmastime to visit his fiancée at Froland, where he died. The French Academy published his memoir in 1841.Additional ReadingThe Oeuvres complètes de Niels Henrik Abel, ed. by B. Holmboe, 2 vol. in 1 (1839), includes a short biographical note written by Abel's first teacher and mentor. Further information is available in Øystein Ore, Niels Henrik Abel, Mathematician Extraordinary (1957, reprinted 1974).
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Abel , Niels Henrik — (1802–1829) Norwegian mathematician Abel was born in Froland, the son of a poor pastor; he was educated in mathematics at the University of Christiana (Oslo). After the death of his father, Abel had to support a large family; he earned what he… … Scientists
Niels Henrik Abel — Born 5 August 1802( … Wikipedia
Niels Henrik Abel — Niels Henrik Abel. Niels Henrik Abel (* 5. August 1802 auf der Insel Finnøy, Ryfylke, Norwegen; † 6. April 1829 in Froland, Aust Agder, Norwegen) war ein norwegischer Mathematiker … Deutsch Wikipedia
Niels Henrik Abel — Nacimiento 5 de agosto de 1802 Nedstrand, Noruega Fallecimiento 6 de abril de … Wikipedia Español
Niels Henrik Abel — Pour les articles homonymes, voir Abel (homonymie). Niels Henrik Abel Niels Henrik Abel Naissance … Wikipédia en Français
Niels Henrik Abel — (5 de agosto de 1802 1829), matemático noruego, reconocido por haber probado en 1824 que no hay ninguna fórmula para hallar los ceros de todos los polinomios generales de grados en términos de sus coeficientes y en el de las funciones elípticas,… … Enciclopedia Universal
Niels Henrik Abel — noun Norwegian mathematician (1802 1829) • Syn: ↑Abel, ↑Niels Abel • Instance Hypernyms: ↑mathematician … Useful english dictionary
Niels Abel — Niels Henrik Abel Pour les articles homonymes, voir Abel (homonymie). Niels Henrik Abel … Wikipédia en Français
ABEL — Selon le Livre de la Genèse, Abel, le berger, était le second fils d’Adam et d’Ève. Il fut tué par son aîné, Caïn, l’agriculteur, son sacrifice ayant été agréé par Dieu et celui de son frère refusé (IV, 1 9). Il semble qu’il ne faille plus… … Encyclopédie Universelle
Abel [4] — Abel, Niels Henrik, norweg. Mathematiker, geb. 5. Aug. 1802 zu Findö im Stift Kristiansand, gest. 6. April 1829 als Dozent an der Universität Kristiania, bes. um die Algebra und die Theorie der elliptischen Funktionen verdient. »Œuvres« (2 Bde.,… … Kleines KonversationsLexikon