A unar is an algebra , where is a single unary operation.
Unar
See also
Unary OperationThis entry contributed by Matt Insall (author's link)
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References
Kartashova, A. V. "On Lattices of Topologies of Unary Algebras." J. Math. Sci. (N. Y.) 114, 1086-1118, 2003.Skornjakov, L. A. "Unars." In Universal Algebra (Esztergom, 1977). Amsterdam, Netherlands: North-Holland, pp. 735-743, 1982.Referenced on Wolfram|Alpha
UnarCite this as:
Insall, Matt. "Unar." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/Unar.html