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Search: MSC category 30D15 ( Special classes of entire functions and growth estimates )

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1. CJM 2009 (vol 61 pp. 503)

Baranov, Anton; Woracek, Harald
 Subspaces of de~Branges Spaces Generated by Majorants For a given de~Branges space $\mc H(E)$ we investigate de~Branges subspaces defined in terms of majorants on the real axis. If $\omega$ is a nonnegative function on $\mathbb R$, we consider the subspace $\mc R_\omega(E)=\clos_{\mc H(E)} \big\{F\in\mc H(E): \text{ there exists } C>0: |E^{-1} F|\leq C\omega \mbox{ on }{\mathbb R}\big\} .$ We show that $\mc R_\omega(E)$ is a de~Branges subspace and describe all subspaces of this form. Moreover, we give a criterion for the existence of positive minimal majorants. Keywords:de~Branges subspace, majorant, Beurling-Malliavin TheoremCategories:46E20, 30D15, 46E22

2. CJM 2009 (vol 61 pp. 373)

McKee, Mark
 An Infinite Order Whittaker Function In this paper we construct a flat smooth section of an induced space $I(s,\eta)$ of $SL_2(\mathbb{R})$ so that the attached Whittaker function is not of finite order. An asymptotic method of classical analysis is used. Categories:11F70, 22E45, 41A60, 11M99, 30D15, 33C15

3. CJM 2003 (vol 55 pp. 1019)

Handelman, David
 More Eventual Positivity for Analytic Functions Eventual positivity problems for real convergent Maclaurin series lead to density questions for sets of harmonic functions. These are solved for large classes of series, and in so doing, asymptotic estimates are obtained for the values of the series near the radius of convergence and for the coefficients of convolution powers. Categories:30B10, 30D15, 30C50, 13A99, 41A58, 42A16