Fixed point

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Fixed point has many meanings in science, most of them mathematical.

Mathematics

• Fixed point — a number x that makes f(x) = x. There exists a number of fixed-point theorems.
• Fixed point space
• Fixed-point lemma for normal functions

Computing

• Fixed-point arithmetic — manner of doing arithmetic on computers: a fixed number of decimal (or binary) digits is kept after the decimal point, any remaining digits are rounded.
• Fixed point combinator

Physics

• Conformal field theory is a different description of a fixed point in the context of the renormalization group, for example see infrared fixed point

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