Picard's little theorem

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Picard's little theorem

[pi′kärz ′lid·əl ¦thir·əm]
(mathematics)
A nonconstant entire function of the complex plane assumes every value save at most one. Also known as Picard's first theorem.
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Ullrich teaches readers how to think like analysts long before they get to the "Big Picard Theorem," explaining why proofs do and do not work.
7] , Some Picard theorems for holomorphic maps to algebraic varieties, Amer.