数学季刊 ›› 2013, Vol. 28 ›› Issue (3): 468-474.
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摘要: In this paper, by the definition of almost spirallike mappings of type β and orderαand the geometric property of the spirallike mapping of type β, we prove that the generalized Roper-SufFridge extension operator preserves almost spirallikeness of type β and orderαin complex Banach spaces.
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