An improvement of Hayman's inequality on an angular domain
Cai-Feng Yi ; Yu Wang ; Hong-Yan Xu
Annales Polonici Mathematici, Tome 98 (2010), p. 181-192 / Harvested from The Polish Digital Mathematics Library
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We investigate the properties of meromorphic functions on an angular domain, and obtain a form of Yang's inequality on an angular domain by reducing the coefficients of Hayman's inequality. Moreover, we also study Hayman's inequality in different forms, and obtain accurate estimates of sums of deficiencies.

Publié le : 2010-01-01
EUDML-ID : urn:eudml:doc:280723 
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Cai-Feng Yi; Yu Wang; Hong-Yan Xu. An improvement of Hayman's inequality on an angular domain. Annales Polonici Mathematici, Tome 98 (2010) pp. 181-192. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap99-2-5/