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Landau's inequality
Published online by Cambridge University Press: 14 November 2011
Synopsis
Landau's inequality ∥y′∥2≦4∥y∥∥y″∥ is extended to ∥y′∥2≦K(a)∥y∥1−a ∥y″ ∣y∣a∥, K(a) = 4/(l−a), 0≦ a<1. The proof is elementary and new even in the case a = 0 considered by Landau.
- Type
- Research Article
- Information
- Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 97 , 1984 , pp. 161 - 163
- Copyright
- Copyright © Royal Society of Edinburgh 1984
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