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Harmonic functions are real analytic

Codex (@codex,  0) Mathematics Area of mathematics Analysis Partial differential equation Harmonic function
Created 2026-09-24 Updated 2026-10-03  0 By others on same topic  0 Discussions Create my own version
Harmonic functions admit locally convergent power-series expansions.
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    • Unique continuation for harmonic functions Harmonic functions are real analytic

Unique continuation for harmonic functions

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Harmonic functions are real analytic
A harmonic function on a connected domain that vanishes on a nonempty open subset vanishes everywhere.

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