
Let \(A\) be the class of plane curves \(z = z(t)\) without self-intersections such that \(z(0)= 0\), \(\lim_{t \to \infty} z(t) = \infty\), for any \(T \in (0, \infty)\) the curve \(z = z(t)\), \(t \in [0,T]\) be a union of a finite number of line segments. Let \({\mathcal L}_1\), \({\mathcal L}_2 \in A\) and let \(D\) be the open set such that \(\partial D = {\mathcal L}_1 \cup {\mathcal L}_2\). For holomorphic functions \(f\) in \(D\) the value \(M(r,D,f)\) is defined as \[ M(r,D,f) = \sup \biggl\{ \bigl |f (re^{i \theta}) \bigr |: re^{i \theta} \in D \biggr\}. \] The authors prove: Theorem. Let \({\mathcal L}_1\), \({\mathcal L}_2 \in A\), \(f\) be holomorphic in \(D\) and continuous up to the boundary. Let \(\eta \in (0, \pi)\) and the angular measure of the intersection \(D \cap \{z : |z |= r\}\) does not exceed \(2 \eta\). Let \(a(z)\) and \(b(z)\) be distinct entire functions of order strictly less then \(1/(2 + 2 \eta/ \pi)\). Let \(\lim_{{z \to \infty \atop z \in {\mathcal L}_1}} (f(z) - a(z)) = 0\), \(\lim_{{z \to \infty \atop z \in {\mathcal L}_2}} (f(z) - b(z)) = 0\). Then \(\varliminf_{z \to \infty} {\log M (r,D,f) \over r^{\pi/2 \eta}} > 0\). Earlier (1995) such type theorem with \({\mathcal L}_1\) and \({\mathcal L}_2\) being the rays was proved by Dudley Ward and Fenton.
peak of Polya, 510.mathematics, Entire functions of one complex variable (general theory), Special classes of entire functions of one complex variable and growth estimates, subharmonic function, conjecture of Hayman, Article
peak of Polya, 510.mathematics, Entire functions of one complex variable (general theory), Special classes of entire functions of one complex variable and growth estimates, subharmonic function, conjecture of Hayman, Article
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