Domain

Domain may refer to:

Mathematics
  • Domain of a function, the set of input values for which the function is defined
  • Domain of discourse, the set of entities over which logic variables may range
  • Domain of an algebraic structure, the set on which the algebraic structure is defined
  • Domain (mathematical analysis), an open connected set
  • Domain theory, studying certain kinds of partially ordered sets
  • Domain (ring theory), a nontrivial ring without left or right zero divisors
    • Integral domain, a non-trivial commutative ring without zero divisors
      • Atomic domain, an integral domain in which every non-zero non-unit is a finite product of irreducible elements
      • Bézout domain, an integral domain in which the sum of two principal ideals is again a principal ideal
      • Euclidean domain, an integral domain which allows a suitable generalization of the Euclidean algorithm
      • Dedekind domain, an integral domain in which every nonzero proper ideal factors into a product of prime ideals
      • GCD domain, an integral domain in which every two non-zero elements have a greatest common divisor
      • Principal ideal domain, an integral domain in which every ideal is principal
      • Unique factorization domain, an integral domain in which every non-zero element can be written as a product of irreducible elements in essentially a unique way
  • Frequency domain, the analysis of mathematical functions with respect to frequency, rather than time
  • Fundamental domain, a symmetry group of an object is a part or pattern, as small or irredundant as possible, which determines the whole object based on the symmetry
  • Time domain, the analysis of mathematical functions with respect to time

Science

Information technology
  • Administrative domain
  • Broadcast domain, in computer networking, a group of special-purpose addresses to receive network announcements
  • Collision domain
  • Domain (software engineering), a field of study that defines a set of common requirements, terminology, and functionality for any software program constructed to solve a problem in a given field
    • Application domain, a mechanism used within a Common Language Infrastructure to isolate executed software applications from one another
    • Programming domain, a set of programming languages or programming environments that were engineered specifically for a particular domain
  • Network domain, a named grouping of hosts and servers with managed login, access to resources, and permissions.
    • Domain name, a label that identifies a realm of administrative autonomy, authority, or control within the Internet

Places
  • Domain, Manitoba, a hamlet in Manitoba, Canada
  • The Domain (Austin), a shopping mall in Austin, Texas, USA
  • Domain (Hong Kong), a shopping mall in Yau Tong, Kowloon, Hong Kong

Australian Public Domains

In several Commonwealth of Nations countries, the name for parkland made available for public use by the monarch or their representative, the Governor. Examples include:

New Zealand Public Domains

As per Public Domains Act 1860 (24 Victoriae 1860 No 32). Examples include:

Other uses
  • Territory (subdivision), a non-sovereign geographic area which has come under the authority of another government
  • Demesne, in English common law and other Medieval European contexts, lands directly managed by their holder rather than being delegated to subordinate managers
  • Domain (film), a 2009 French film
  • Domain Group, one of the two major real estate marketing portals in Australia
  • The Domain (film), a 2019 Portuguese film
  • Domain (military) or Battlespace, a concept in military operations dividing operating environments into defined components: air, land, maritime, space, cyberspace, information, and electromagnetic spectrum.
  • "Domain", a song by KSI from the 2020 album Dissimulation
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