Involution

Involution may refer to:

Mathematics

• Involution (mathematics), a function that is its own inverse
• Involution algebra, a *-algebra: a type of algebraic structure
• Involute, a construction in the differential geometry of curves
• Exponentiation (archaic use of the term)

Socioeconomics

• Neijuan, a Chinese term for an economic concept that describes an excess of competition and social pressure
• Agricultural Involution, a 1963 study of intensification of production through increased labour inputs

Philosophy

• Involution (esoterism), several notions of a counterpart to evolution
• Involution (Meher Baba), the inner path of the human soul to the self as described by Meher Baba
• Involution (Sri Aurobindo), term in the philosophy of Sri Aurobindo

Other uses

• Involution (medicine), the shrinking of an organ (such as the uterus after pregnancy)
• Involution (album), a 1998 music album by Michael Marcus and the Jaki Byard trio