## invariant theoryThe study of quantities that are associated with polynomial equations and that are left invariant under transformations of the variables. For example, the discriminant b^{2}
- 4ac is an invariant of the quadratic form ax^{2}
+ bxy + cy^{2}. ## Related category• ALGEBRA | |||||

About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact |