Sun Daochun proves the existence theorem on the maximum condensation point of the zero order meromorphic functions in the unit circle.

孙道椿证明了单位圆内一类零级亚纯函数的最大型聚值点存在性定理，本文将这一结果在一定程度上推广到了亚纯代数体函数。

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This paper proves fundamental theorem of algebra with Liouville's theorem , logarithmic residue theorem , argument principle, Rouche theorem, maximum (minimum)modules principle and zero point theorem.

研究和总结了用复变函数的观点与方法来证明代数基本定理。

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