In ring theory, a branch of mathematics, the conductor is a measurement of how far apart a commutative ring and an extension ring are. Most often, the...

disorder Conductor (ring theory) Conductor of an abelian variety Conductor of a Dirichlet character Conductor (class field theory) Artin conductor, of a...

In mathematics, the Artin conductor is a number or ideal associated to a character of a Galois group of a local or global field, introduced by Emil Artin (1930...

subring of k, called the ring of integers of k, a central object of study in algebraic number theory. In this article, the term ring will be understood to...

Philharmoniker Hamburg in 2005; she is also the first woman conductor to record the Ring Cycle of Richard Wagner. The Guardian called conducting "one...

magnetic fields are expelled from the material. Unlike an ordinary metallic conductor, whose resistance decreases gradually as its temperature is lowered, even...

changes have developed; Call changes: where the conductor of the ringing commands each change. Method ringing: where after a word of command to start, the...

{O}}_{K}} in the ring of integers O K {\displaystyle {\mathcal {O}}_{K}} of a quadratic field K {\displaystyle K} . In line with general theory of splitting...

normal conductor (measured immediately above the transition) and the ratio of these two values is found to be universally given by 2.5. BCS theory correctly...

of a given discriminant. 4.  The class number problem. conductor Conductor (class field theory) coprime Two integers are coprime (also called relatively...

is the production of an electromotive force (emf) across an electrical conductor in a changing magnetic field. Michael Faraday is generally credited with...

ideals P of the ring of integers OK factorise as products of prime ideals of OL, provides one of the richest parts of algebraic number theory. The splitting...

In algebraic number theory, a Gauss sum or Gaussian sum is a particular kind of finite sum of roots of unity, typically G ( χ ) := G ( χ , ψ ) = ∑ χ (...

sT\subseteq T{\text{ and }}Ts\subseteq T\}.} In ring theory, if A is an additive subgroup of a ring R, then I R ( A ) {\displaystyle \mathbb {I} _{R}(A)}...

building ground, which may include an underground ring ground outside the building, with vertical conductors especially in the corners of the building. Electrical...

factors. The split ring resonator is a microstructure design featured in the paper by Pendry et al in 1999 called, "Magnetism from Conductors and Enhanced Nonlinear...

glossary of algebraic geometry, glossary of ring theory and glossary of module theory. In this article, all rings are assumed to be commutative with identity...

physics, at equilibrium, an ideal conductor has no charge on its interior; instead, the entirety of the charge of the conductor resides on the surface. However...

the meaning of each level is at the discretion of the performer or the conductor. Laws to curb high noise levels in the workplace have changed the interpretation...

theorem Artin–Schreier theory Artin's theorem on induced characters Artin–Zorn theorem Artinian ideal Artinian module Artinian ring Artin–Tate lemma Artin–Tits...

ground itself can be used as one conductor of the circuit, saving the cost of installing a separate return conductor (see single-wire earth return and...

the conductor was equal to the level of a modular form corresponding to the elliptic curve. Serre & Tate (1968) extended the theory to conductors of abelian...

A terminal is the point at which a conductor from a component, device or network comes to an end. Terminal may also refer to an electrical connector at...

change by calls from a conductor, and strictly, only two adjacent bells swap their position at each change. In method ringing, the ringers are guided...

discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential...

idea was that glass objects, being non-conductors, are seldom struck by lightning. Therefore, goes the theory, there must be something about glass that...

string but is strongest at the disc nearest to the conductor, which flashes over first. Metal grading rings are sometimes added around the disc at the high...

commutative algebra, glossary of classical algebraic geometry, and glossary of ring theory. For the number-theoretic applications, see glossary of arithmetic and...

them from lightning strikes. Telegraph lines may use the Earth as one conductor of a circuit, saving the cost of installation of a return wire over a...

localized on its constituent atoms. MO theory also helps us understand why some substances are electrical conductors, others are semiconductors, and still...