commensurable
51Almost periodic function — In mathematics, almost periodic functions are functions of a real number that are periodic up to a small error, first studied by Harald Bohr. There are generalizations to almost periodic functions on locally compact abelian groups. Almost… …
52Arithmetic group — In mathematics, an arithmetic group (arithmetic subgroup) in a linear algebraic group G defined over a number field K is a subgroup Γ of G ( K ) that is commensurable with G ( O ), where O is the ring of integers of K . Here two subgroups A and B …
53Commensurability (philosophy of science) — This article is about incommensurability in the philosophy of science. For other senses of this word, see commensurability. Commensurability (contrast with incommensurability) is a concept in the philosophy of science. Scientific theories are… …
54Abstract labour and concrete labour — Part of a series on Marxism …
55Gordon Pask — Andrew Gordon Speedie Pask (June 28, 1928, Derby – March 29, 1996, London) was an English cybernetician and psychologist who made significant contributions to cybernetics, instructional psychology, experimental epistemology and educational… …
56Stallings theorem about ends of groups — In the mathematical subject of group theory, the Stallings theorem about ends of groups states that a finitely generated group G has more than one end if and only if the group G admits a nontrivial decomposition as an amalgamated free product or… …
57Irrational number — In mathematics, an irrational number is any real number that is not a rational number that is, it is a number which cannot be expressed as a fraction m / n , where m and n are integers, with n non zero. Informally, this means numbers that cannot… …
58Histoire de la racine carree — Histoire de la racine carrée Article de la série Histoire des sciences Chronologie Chronologie des sciences Chronologie de l astronomie …
59Histoire de la racine carrée — L histoire de la racine carrée commence autour du XXe siècle av. J.‑C.. Sa première représentation connue date du XVIIe siècle av. J.‑C.. La valeur de a été calculée de manière approchée en Inde au VIIIe siècle av. J …
60Racine Carrée (Histoire) — Histoire de la racine carrée Article de la série Histoire des sciences Chronologie Chronologie des sciences Chronologie de l astronomie …
