Let $\mathbb{T}^n:=(\mathbb{R}/\mathbb{Z})^n$ be the $n$-torus.
Then, I am trying to find all solutions of the equation $\Delta f =0$ on $\mathbb{T}^n$.
However, I cannot really see how to find "ALL" of them..
Could anyone please help me?
2026-03-30 18:18:41.1774894721
Finding all harmonic functions on $n$-torus
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