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Partial differential equations (PDEs): Existence and uniqueness, regularity, boundary conditions, linear and non-linear operators, stability, soliton theory, integrable PDEs, conservation laws, qualitative dynamics.

15 votes
1 answer
5k views

Basis for the space of Harmonic homogeneous polynomial in N variables.

Hello, Does someone know an explicit basis of the space of harmonic homogeneous polynomial in N variables. When $N=3$, if I'm not mistaking Legendre polynomial allow to write an explicit basis. Is …
Ludo Marquis's user avatar