Involution may refer to:
*
Involute, a construction in the differential geometry of curves
* ''
Agricultural Involution: The Processes of Ecological Change in Indonesia'', a 1963 study of intensification of production through increased labour inputs
*
Involution (mathematics)
In mathematics, an involution, involutory function, or self-inverse function is a function that is its own inverse,
:
for all in the domain of . Equivalently, applying twice produces the original value.
General properties
Any involution i ...
, a function that is its own inverse
*
Involution (medicine), the shrinking of an organ (such as the uterus after pregnancy)
*
Involution (esoterism), several notions of a counterpart to evolution
*
Involution (Meher Baba), the inner path of the human soul to the self
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Involution algebra
In mathematics, and more specifically in abstract algebra, a *-algebra (or involutive algebra) is a mathematical structure consisting of two involutive rings and , where is commutative and has the structure of an associative algebra over . Invo ...
, a *-algebra: an algebra equipped with an involution
*
''Involution'' (album), a 1998 album by multi-instrumentalist Michael Marcus, with the Jaki Byard trio
*
''Involution'' (film), a 2018 Russian sci-fi drama film
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