5.2 解析函数的有限孤立奇点

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5.2 解析函数的有限孤立奇点. 5.2.1 孤立奇点的分类 5.2.2 孤立奇点的性质 1. 可去奇点的性质 2. 极点的性质 3. 本性奇点的性质 5.2.3 Picard 定理 5.3.4 Schwarz 引理. 5.2.1 孤立奇点的分类. 定义 5.2 如果 f(z) 在点 a 的某一 去心邻域 K-{a}:0

TRANSCRIPT

  • 5.2 5.2.15.2.2 1. 2. 3. 5.2.3 Picard5.3.4 Schwarz

  • 5.2.1 5.2 f(z)aK-{a}:0
  • 5.3 af(z). (1)f(z)a,af(z). (2)f(z)a,af(z)m().. (3)f(z)a,af(z).

  • 5.2.2 1. 5.3 af(z) (2)(1)f(z)a; (3)f(z)a (1)(2);(2) (3);(3)(1) (1)(2)(1)

  • (2)(3):1.27.|f(z)|M(M>0).f(z)a(3)(1):aK-{a}{z| 0
  • 2.a f(z)=c0,af(z)5.4 f(z)a,af(z)m(1)f(z)a (2)f(z)a(z) a,(a)0

  • am(a,g(a)=0). (1)(2): aa,

  • (2)(3):aa,(1.28)ag(z),,g(a)=0,ag(z)m.4.17 , .

  • 1/(z) a(1.28),f(z)a 5.5 f(z)a

  • 3. 5.6 f(z)a ()af(z) af(z) af(z) af(z) af(z)

  • 5.7 z=af(z),a,z=a. z=a(z)(),z=a(z)af(z)af(z)af(z).,z=a

  • 3

    EMBED Equation.3

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    _1087841171.unknown

    _1087842271.unknown

    _1131570740.unknown

    _1087841206.unknown

    _1087841143.unknown

    _1087841049.unknown

    _1087840770.unknown

    _1087840823.unknown

    _1087789515.unknown

  • 5.2.3 Picard() 5.8 af(z),A,,a{zn},,,f(z)(). (1) A,.f(z)a.

  • .,5.7,K-{a},a(af(z) ,az,f(z)=A. ,,aK-{a}f(z)A).(1),a{zn},

  • 5.85.9A=A

  • 5.10A=A=0A, A

  • 5.9(()) af(z),A,A=A0,a{zn}f(zn)=A (n=1,2,).

  • 5.2.4 Schwarz (Schwarz) f(z)|z|

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