group theory

The Short but Influential Life of Niels Henrik Abel

The Short but Influential Life of Niels Henrik Abel

On April 6, 1829, Norwegian mathematician Niels Henrik Abel passed away. Abel is well known in mathematics for proving the impossibility of solving the quintic equation by radicals. In parallel to Évariste Galois – who also died very young – , he laid the foundations of group theory.[8] Nils Henrik Abel was born into a family of educated people. His father, for instance earned himself a degree in theology and philosophy and…
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Richard Brauer and the Theory of Algebra

Richard Brauer and the Theory of Algebra

On February 10, 1901, German and American mathematician Richard Dagobert Brauer was born. Brauer worked mainly in abstract algebra, but made important contributions to number theory. He was the founder of modular representation theory. Richard Brauer was born in Charlottenburg, a district of Berlin, Germany, which was not incorporated into the city until 1920, to Max Brauer, a well-off businessman in the wholesale leather trade, and his wife Lilly Caroline. Alfred Brauer was…
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Camille Jordan and the Cours d’Analyse.

Camille Jordan and the Cours d’Analyse.

On January 5, 1838, French mathematician Marie Ennemond Camille Jordan was born. Jordan is known both for his foundational work in group theory and for his influential Cours d’analyse. Camille Jordan was born in Lyon, France, to Esprit-Alexandre Jordan, an engineer who had been educated at the École Polytechnique, and, Joséphine Puvis de Chavannes. Jordan studied at the Lycée de Lyon and at the Collège d’Oullins. He entered the École Polytechnique to…
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Agner Erlang and the Mathematics of Telecommunication Traffic

Agner Erlang and the Mathematics of Telecommunication Traffic

On January 1, 1878, Danish mathematician, statistician and engineer Agner Krarup Erlang was born, who invented the fields of traffic engineering and queueing theory. He developed mathematical theories applying the theory of probability, while working for the Copenhagen Telephone Company. He provided significant insights for planning the operation of automatic telephone exchanges that proved so useful that his formulas were used by telephone companies in other countries. Erlang was born at Lønborg, near…
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