Domain

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Domain may refer to:

  • Domain (biology), a taxonomic subdivision larger than a kingdom
  • Domain name, the name of a realm of administrative autonomy, authority, or control on the Internet
  • Magnetic domain, a region within a magnetic material which has uniform magnetization
  • Protein domain, a part of a protein that can exist independently of the rest of the protein chain
  • Territory (subdivision), a non-sovereign geographic area which has come under the authority of another government

Information technology[edit]

  • Administrative domain, a service provider holding a security repository permitting to easily authenticate and authorize clients with credentials
  • 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 that field
    • Application domain, a mechanism used within a Common Language Infrastructure to isolate executed software applications from one another
  • Broadcast domain, in computer networking, a group of special purpose addresses to receive network announcements
  • Collision domain, a physical network segment that is a shared medium where data packets can "collide" with one another
  • Data domain, in database theory, a set of all permitted values
  • Domain/OS, a workstation operating system
  • Windows domain, a group of Windows-based computers and users with a central authenticating domain controller

Mathematics[edit]

  • 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 (mathematical analysis), an open connected set
  • Domain (ring theory), a nontrivial ring without left or right 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
    • Integral domain, a non-trivial commutative ring without zero divisors
    • 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
  • Domain theory, studying certain kinds of partial ordered sets

Places[edit]

Australian Public Domains[edit]

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[edit]

As per Public Domains Act 1860 (24 Victoriae 1860 No 32)[1]. Examples include:

Entertainment[edit]

Other[edit]