algebra extension
121Algebraic number field — In mathematics, an algebraic number field (or simply number field) F is a finite (and hence algebraic) field extension of the field of rational numbers Q. Thus F is a field that contains Q and has finite dimension when considered as a vector… …
122Emmy Noether — Portrait de Emmy Noether avant 1910. Naissance 23 mars 1882 Erlangen (Bavière, Allemagne) Décès 14 avril  …
123Glossary of order theory — This is a glossary of some terms used in various branches of mathematics that are related to the fields of order, lattice, and domain theory. Note that there is a structured list of order topics available as well. Other helpful resources might be …
124Going up and going down — In commutative algebra, a branch of mathematics, going up and going down are terms which refer to certain properties of chains of prime ideals in integral extensions. The phrase going up refers to the case when a chain can be extended by upward… …
125Hermann Grassmann — Hermann Günther Grassmann. Hermann Günther Grassmann (Stettin, 15 de abril de 1809 26 de septiembre de 1877) fue un lingüista y matemático alemán. También fue físico, humanista, erudito y editor. Conteni …
126Stone–Čech compactification — In the mathematical discipline of general topology, Stone–Čech compactification is a technique for constructing a universal map from a topological space X to a compact Hausdorff space beta; X . The Stone–Čech compactification beta; X of a… …
127Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… …
128Pseudo-anneau — Un pseudo anneau est un ensemble muni d une addition et d une multiplication qui vérifient les mêmes axiomes que celles d un anneau, à ceci près qu on n exige pas la présence d un élément neutre pour la multiplication[1]. Une minorité d auteurs… …
