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  2. Category:Diagram algebras - Wikipedia

    en.wikipedia.org/wiki/Category:Diagram_algebras

    In mathematics, a diagram algebra is an algebraic structure in which operations are performed using diagrams rather than traditional techniques. In particular, diagrammatic equations can be constructed and manipulated.

  3. Commutative diagram - Wikipedia

    en.wikipedia.org/wiki/Commutative_diagram

    The commutative diagram used in the proof of the five lemma. In mathematics, and especially in category theory, a commutative diagram is a diagram such that all directed paths in the diagram with the same start and endpoints lead to the same result. [1] It is said that commutative diagrams play the role in category theory that equations play in ...

  4. Function analysis diagram - Wikipedia

    en.wikipedia.org/wiki/Function_analysis_diagram

    A function analysis diagram (FAD) is a method used in engineering design to model and visualize the functions and interactions between components of a system or product. It represents the functional relationships through a diagram consisting of blocks, which represent physical components, and labeled relations/arrows between them, which represent useful or harmful functional interactions.

  5. Algebraic analysis - Wikipedia

    en.wikipedia.org/wiki/Algebraic_analysis

    Algebraic analysis is an area of mathematics that deals with systems of linear partial differential equations by using sheaf theory and complex analysis to study properties and generalizations of functions such as hyperfunctions and microfunctions. Semantically, it is the application of algebraic operations on analytic quantities.

  6. Exterior algebra - Wikipedia

    en.wikipedia.org/wiki/Exterior_algebra

    The algebra itself was built from a set of rules, or axioms, capturing the formal aspects of Cayley and Sylvester's theory of multivectors. It was thus a calculus, much like the propositional calculus, except focused exclusively on the task of formal reasoning in geometrical terms. [20]

  7. Linear algebra - Wikipedia

    en.wikipedia.org/wiki/Linear_algebra

    Functional analysis applies the methods of linear algebra alongside those of mathematical analysis to study various function spaces; the central objects of study in functional analysis are L p spaces, which are Banach spaces, and especially the L 2 space of square integrable functions, which is the only Hilbert space among them. Functional ...

  8. Snake lemma - Wikipedia

    en.wikipedia.org/wiki/Snake_lemma

    The snake lemma is a tool used in mathematics, particularly homological algebra, to construct long exact sequences.The snake lemma is valid in every abelian category and is a crucial tool in homological algebra and its applications, for instance in algebraic topology.

  9. Coalgebra - Wikipedia

    en.wikipedia.org/wiki/Coalgebra

    Similarly, in the second diagram the naturally isomorphic spaces C, C ⊗ K and K ⊗ C are identified. [2] The first diagram is the dual of the one expressing associativity of algebra multiplication (called the coassociativity of the comultiplication); the second diagram is the dual of the one expressing the existence of a multiplicative identity.