In the form of spherical harmonics, they express the symmetry of the two-sphere under the action of the Lie group SO(3).
Adrien-Marie Legendre | orthogonal polynomials | Hermite polynomials | Marc Legendre | Macdonald polynomials | Chihara–Ismail polynomials | Brenke–Chihara polynomials | Wilson polynomials | Steven Legendre | Sister Celine's polynomials | Richard Legendre | Koornwinder polynomials | Jacobi polynomials | Gertrude Sanford Legendre | Chihara-Ismail polynomials | Charlier polynomials | Boas–Buck polynomials | Angelescu polynomials | Al-Salam–Ismail polynomials |