brosch meaning in English

布勒施
布罗施

This thesis study the uniqueness theory of meromorphic functions . with the theory of nevanlinna ' s value distribution , the author analyze and study the unique problems about meromorphic function and its derivative or differential polynomial shared values , two meromorphic functions shared one value , the derivatives of meromorphic functions shared one value or small function , the derivatives of meromorphic functions shared one set . proved several uniqueness theorem , which generalized and improved the results of qiu gandi , brosch , yi hongxun , c . c . yang and wu guirong ,
作者应用nevanlinna值分布理论，对函数与其导函数或微分多项式具有公共值，两函数具有公共值，两函数的导函数分担公共值或小函数，以及分担公共值集的唯一性等问题进行了分析和研究，得到了几个唯一性定理，它们分别是邱? ? ， brosch ，仪洪勋，杨重骏，吴桂荣等人的有关结果的推广和改进。