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Conductor
Conductor
can mean different things in different contexts:
In
science
and
engineering
, a
conductor
is material which contains movable
electric charges
in which an
electric current
can be produced. See also
heat conduction
.
In
music
, a
conductor
is a person who directs performances; see
conducting
.
A
conductor
is also a person who sells and checks tickets on a
bus
,
tram
or
train
.
In
pseudorandomness
, a conductor is a combinatoral object that extracts randomness from weak random sources. It is a generalization of the concept of an
extractor
.
In
algebraic number theory
, the
conductor
of an
abelian extension
is an
ideal
,
modulo
which the associated characters are defined.
Last updated: 10-17-2005 06:58:45
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