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Paul Erdős (1913–1996) was a Hungarian mathematician. He considered mathematics to be a social activity and often collaborated on his papers, having 511 joint authors, many of whom also have their own collaborators. The Erdős number measures the "collaborative distance" between an author and Erdős. Thus, his direct co-authors have Erdős ...
Pierre Gabriel (1 August 1933 [1] – 24 November 2015), also known as Peter Gabriel, was a French mathematician at the University of Strasbourg (1962–1970), University of Bonn (1970–1974) and University of Zürich (1974–1998) who worked on category theory, algebraic groups, and representation theory of algebras.
Dlab & Ringel (1973) found a generalization of Gabriel's theorem in which all Dynkin diagrams of finite-dimensional semisimple Lie algebras occur. Victor Kac extended these results to all quivers, not only of Dynkin type, relating their indecomposable representations to the roots of Kac–Moody algebras .
Gabriel's great-grandparent Francesco Gabriele immigrated to the United States from Guardiagrele – Italy in the late 19th century. Gabriel revealed in 2012 that he had been suffering from Parkinson's disease. [2] [3] Gabriel is a 1978 graduate of Kutztown State Teachers College (now Kutztown University of Pennsylvania), where he played ...
John Gabriel (born Jack Monkarsh; May 25, 1931 – June 11, 2021) was an American actor, singer-lyricist, and producer who is best known for his role as Seneca Beaulac on Ryan's Hope (1975–1985, 1988–1989), for which he received an Emmy Award nomination in 1980.
Graph of = /. Gabriel's horn is formed by taking the graph of =, with the domain and rotating it in three dimensions about the x axis. The discovery was made using Cavalieri's principle before the invention of calculus, but today, calculus can be used to calculate the volume and surface area of the horn between x = 1 and x = a, where a > 1. [6]
John Gabriel Byrne (15 July 1933 – 16 April 2016) was an Irish computer scientist and engineer. He founded the department of computer science in Trinity College Dublin , serving as its first head and professor, and has been referred to as "The Father of Computing in Ireland".
John Conway, prolific mathematician of notation. John Conway furthered various notations, including the Conway chained arrow notation, the Conway notation of knot theory, and the Conway polyhedron notation. The Coxeter notation system classifies symmetry groups, describing the angles between with fundamental reflections of a Coxeter group. It ...