• a class invariant (or type invariant) is an invariant used for constraining objects of a class. Methods of the class should preserve the invariant. The...
    12 KB (1,587 words) - 09:37, 9 January 2025
  • Thumbnail for Invariant (mathematics)
    In mathematics, an invariant is a property of a mathematical object (or a class of mathematical objects) which remains unchanged after operations or transformations...
    24 KB (2,787 words) - 13:39, 3 April 2025
  • Thumbnail for Equivalence class
    then f {\displaystyle f} is said to be class invariant under ∼ , {\displaystyle \,\sim \,,} or simply invariant under ∼ . {\displaystyle \,\sim .} This...
    18 KB (2,700 words) - 04:06, 2 May 2025
  • Look up invariance, invariant, or invariants in Wiktionary, the free dictionary. Invariant and invariance may refer to: Invariant (computer science),...
    2 KB (261 words) - 04:04, 9 March 2023
  • In computer science, a loop invariant is a property of a program loop that is true before (and after) each iteration. It is a logical assertion, sometimes...
    17 KB (2,426 words) - 13:05, 6 February 2025
  • Thumbnail for Design by contract
    contracts are concepts of class invariant. The class invariant guarantees (for the local class) that the state of the class will be maintained within...
    15 KB (1,727 words) - 10:04, 25 April 2025
  • describe a particular language behavior. In RAII, holding a resource is a class invariant, and is tied to object lifetime. Resource allocation (or acquisition)...
    17 KB (2,032 words) - 15:22, 12 February 2025
  • of state is necessary for being able to enforce the invariants of the class. The behavior of a class or its instances is defined using methods. Methods...
    46 KB (5,205 words) - 14:25, 1 May 2025
  • conditions in a given symplectic manifold. The GW invariants may be packaged as a homology or cohomology class in an appropriate space, or as the deformed cup...
    12 KB (1,873 words) - 17:48, 7 April 2025
  • Thumbnail for MHC class II
    (such as those that would be loaded onto class I MHC). The invariant chain also facilitates the export of class II MHC from the ER to the Golgi apparatus...
    17 KB (2,119 words) - 03:03, 6 March 2025
  • contract. Design by contract also includes notions of postcondition and class invariant. The precondition for any routine defines any constraints on object...
    5 KB (618 words) - 16:38, 30 August 2023
  • scale-invariant theories. The set of different microscopic theories described by the same scale-invariant theory is known as a universality class. Other...
    32 KB (4,486 words) - 11:45, 10 September 2024
  • Thumbnail for Equivalence relation
    morphism for ∼ , {\displaystyle \,\sim ,} a class invariant under ∼ , {\displaystyle \,\sim ,} or simply invariant under ∼ . {\displaystyle \,\sim .} This...
    31 KB (4,473 words) - 11:36, 3 May 2025
  • declaring class. They have the task of initializing the object's data members and of establishing the invariant of the class, failing if the invariant is invalid...
    35 KB (4,257 words) - 23:20, 6 May 2025
  • Thumbnail for Graph property
    "invariant". More formally, a graph property is a class of graphs with the property that any two isomorphic graphs either both belong to the class, or...
    10 KB (1,182 words) - 09:40, 26 April 2025
  • Gromov–Witten invariants. Chern classes were introduced by Shiing-Shen Chern (1946). Chern classes are characteristic classes. They are topological invariants associated...
    42 KB (7,508 words) - 13:07, 21 April 2025
  • concept of quasi-invariant measure is the same as invariant measure class. In general, the 'freedom' of moving within a measure class by multiplication...
    2 KB (318 words) - 04:01, 2 February 2023
  • In mathematics, the Kervaire invariant is an invariant of a framed ( 4 k + 2 ) {\displaystyle (4k+2)} -dimensional manifold that measures whether the...
    17 KB (2,366 words) - 06:20, 10 May 2025
  • Eiffel (programming language) (category Class-based programming languages)
    contract (DbC), in which assertions, preconditions, postconditions, and class invariants are employed to help ensure program correctness without sacrificing...
    49 KB (6,083 words) - 22:28, 25 February 2025
  • discussed below. A natural approach is to make holding a resource be a class invariant: resources are acquired during object creation (specifically initialization)...
    25 KB (3,313 words) - 15:15, 3 February 2025
  • a time-invariant (TI) system has a time-dependent system function that is not a direct function of time. Such systems are regarded as a class of systems...
    8 KB (1,355 words) - 11:33, 6 February 2023
  • Thumbnail for CLIP (protein)
    CLIP or Class II-associated invariant chain peptide is the part of the invariant chain (Ii) that binds to the peptide binding groove of MHC class II and...
    5 KB (470 words) - 21:07, 22 December 2024
  • In statistics, the concept of being an invariant estimator is a criterion that can be used to compare the properties of different estimators for the same...
    15 KB (2,667 words) - 22:02, 30 January 2023
  • into equivalence classes, called classes of quadratic forms. A class invariant can mean either a function defined on equivalence classes of forms or a property...
    28 KB (4,936 words) - 19:57, 21 March 2024
  • Thumbnail for CD74
    CD74 (redirect from Invariant chain)
    HLA class II histocompatibility antigen gamma chain also known as HLA-DR antigens-associated invariant chain or CD74 (Cluster of Differentiation 74), is...
    19 KB (2,221 words) - 23:09, 7 April 2025
  • the topological invariant of the topological insulators and topological superconductors, given a dimension and discrete symmetry class. The ten possible...
    22 KB (2,656 words) - 09:32, 4 April 2025
  • Thumbnail for Modular lambda function
    symmetric holomorphic function on the complex upper half-plane. It is invariant under the fractional linear action of the congruence group Γ(2), and generates...
    22 KB (3,503 words) - 15:53, 9 February 2025
  • In geometry, the Dehn invariant is a value used to determine whether one polyhedron can be cut into pieces and reassembled ("dissected") into another...
    40 KB (5,774 words) - 20:01, 9 January 2025
  • Thumbnail for Knot invariant
    In the mathematical field of knot theory, a knot invariant is a quantity (in a broad sense) defined for each knot which is the same for equivalent knots...
    10 KB (1,278 words) - 16:18, 12 January 2025
  • Thumbnail for J-invariant
    In mathematics, Felix Klein's j-invariant or j function is a modular function of weight zero for the special linear group SL ⁡ ( 2 , Z ) {\displaystyle...
    27 KB (4,738 words) - 05:27, 2 May 2025