V2EX complex analysis

Complex Analysis

定义 Definition

“Complex analysis” 指复分析/复变函数论:研究复数及其上的复函数(尤其是解析函数/全纯函数)的数学分支,核心主题包括柯西积分定理、级数展开、留数与共形映射等。

发音 Pronunciation

/km.plks nl..ss/

例句 Examples

Complex analysis is a core course for many math majors.
复分析是许多数学专业的核心课程。

Using complex analysis, we can evaluate certain real integrals by applying the residue theorem and contour integration.
借助复分析,我们可以通过留数定理与围道积分来计算某些实积分。

词源 Etymology

complex 来自拉丁语 complexus,原意有“交织在一起、由多部分构成”,在数学中进一步固定为“复数的(与实数相对)”。analysis 源自希腊语 analusis,意为“分解、解析”。合在一起,“complex analysis” 就是“对复数与复函数进行解析研究”的学科名称。

相关词 Related Words

文学与名著中的用例 Literary Works

  • Complex Analysis(Lars V. Ahlfors):经典教材,系统奠定复分析的基本框架与定理。
  • Complex Analysis(Elias M. Stein & Rami Shakarchi):与调和分析等方向联系紧密,强调方法与思想。
  • Functions of One Complex Variable(John B. Conway):以“单复变函数”为主线,覆盖基础到进阶内容。
  • Visual Complex Analysis(Tristan Needham):以几何直观与图像化方式讲解复分析概念。
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