Polynomial equation of degree four.

Polynomial of degree four equation.

(mathematics) Any function of a polynomial whose greatest exponent is 4.

In mathematics, especially in algebraic geometry, a quartic surface is a surface defined by an equation of degree 4.

A compact Riemann surface of genus 3 with the highest possible order automorphism group for this genus, namely order 168 orientation-preserving automorphisms, and 336 automorphisms if orientation may be reversed.

In quantum field theory, a quartic interaction or φ4 theory is a type of self-interaction in a scalar field.

In algebraic geometry, a quartic plane curve is a plane algebraic curve of the fourth degree.