Ore semigroup

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Magma (algebra) — In abstract algebra, a magma (or groupoid; not to be confused with groupoids in category theory) is a basic kind of algebraic structure. Specifically, a magma consists of a set M equipped with a single binary operation . A binary operation is… … Wikipedia
List of mathematics articles (O) — NOTOC O O minimal theory O Nan group O(n) Obelus Oberwolfach Prize Object of the mind Object theory Oblate spheroid Oblate spheroidal coordinates Oblique projection Oblique reflection Observability Observability Gramian Observable subgroup… … Wikipedia
List of group theory topics — Contents 1 Structures and operations 2 Basic properties of groups 2.1 Group homomorphisms 3 Basic types of groups … Wikipedia
Einar Carl Hille — Einar Hille (birth name Carl Einar Hille) was an American mathematician,born 28 June 1894 in New York, USA, and died 12 February 1980 in La Jolla, California.Hille s main work was on integral equations, differential equations, special functions,… … Wikipedia

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