| 释义 |
Hurwitz's Root TheoremLet be a Sequence of Analytic Functions Regularin a region , and let this sequence be Uniformly Convergent in everyClosed Subset of . If the Analytic Function
does not vanish identically, then if is a zero of of order , a Neighborhood of and a number exist such that if , has exactly zeros in . References
Szegö, G. Orthogonal Polynomials, 4th ed. Providence, RI: Amer. Math. Soc., p. 22, 1975.
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