The asymptotic behaviour of certain integral functions

Author:

Fenton P. C.

Abstract

Let f ( z ) f(z) be an integral function satisfying \[ { log m ( r , f ) cos π ρ log M ( r , f ) } + d r r ρ + 1 > {\int _{}^\infty \{\log \,m(r,f)\, - \,\cos \,\pi \rho \,\log \,M(r,f)\} ^ + }\frac {{dr}}{{{r^{\rho + 1}}}}\, > \,\infty \] and \[ 0 > lim r ¯ log M ( r , f ) r ρ > 0\, > \,\lim \limits _{\overline {r\, \to \infty } } \,\frac {{\log \,M(r,f)}}{{{r^\rho }}}\, > \,\infty \] for some ρ : 0 > ρ > 1 \rho :\,0\, > \,\rho \, > \,1 . It is shown that such functions have regular asymptotic behaviour outside a set of circles with centres ζ i {\zeta _i} and radii t i {t_i} for which \[ i = 1 t i | ζ i | > \sum \limits _{i = 1}^\infty {\frac {{{t_i}}}{{\left | {{\zeta _i}} \right |}}} > \infty \] .

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference12 articles.

1. Asymptotic properties of integral functions of genus zero;Anderson, J. M.;Quart. J. Math. Oxford Ser. (2),1965

2. V. Azarin, Generalization of a theorem of Hayman on subharmonic functions in an n-dimensional cone, Amer. Math. Soc. Transl. (2) 80 (1969), 119-138.

3. Cambridge Tracts in Mathematics and Mathematical Physics, No. 44;Cartwright, M. L.,1956

4. A generalization of the Ahlfors-Heins theorem;Essén, Matts;Trans. Amer. Math. Soc.,1969

5. The generalized Ahlfors-Heins theorem in certain 𝑑-dimensional cones;Essén, Matts;Math. Scand.,1973

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