# Function (mathematics)/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Function (mathematics), or pages that link to Function (mathematics) or to this page or whose text contains "Function (mathematics)".*

## Parent topics

- Distribution (mathematics) [r]: Objects which generalize functions, used to formulate generalized solutions of partial differential equations.
^{[e]} - Set (mathematics) [r]: Informally, any collection of distinct elements.
^{[e]} - Set theory [r]: Mathematical theory that models collections of (mathematical) objects and studies their properties.
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## Subtopics

- Bijective function [r]: A function in which each possible output value corresponds to exactly one input value.
^{[e]} - Injective function [r]: A function which has different output values on different input values.
^{[e]} - Surjective function [r]: A function for which every possible output value occurs for one or more input values: the image is the whole of the codomain.
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- Banach space [r]: A vector space endowed with a norm that is complete.
^{[e]} - Equation (mathematics) [r]: A mathematical relationship between quantities stated to be equal, seen as a problem involving variables for which the solution is the set of values for which the equality holds.
^{[e]} - Function space [r]:
*Add brief definition or description* - Hilbert space [r]: A complete inner product space.
^{[e]} - Linear map [r]: Function between two vector spaces that preserves the operations of vector addition and scalar multiplication.
^{[e]} - Linear space [r]:
*Add brief definition or description* - Vector space [r]: A set of vectors that can be added together or scalar multiplied to form new vectors
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