• Thumbnail for Holomorphic function
    In mathematics, a holomorphic function is a complex-valued function of one or more complex variables that is complex differentiable in a neighbourhood...
    25 KB (3,490 words) - 21:26, 15 June 2025
  • Thumbnail for Complex analysis
    concerned with analytic functions of a complex variable, that is, holomorphic functions. The concept can be extended to functions of several complex variables...
    18 KB (2,538 words) - 09:09, 12 May 2025
  • Thumbnail for Analyticity of holomorphic functions
    analysis, a complex-valued function f {\displaystyle f} of a complex variable z {\displaystyle z} : is said to be holomorphic at a point a {\displaystyle...
    6 KB (1,136 words) - 23:43, 16 May 2023
  • heading. As in complex analysis of functions of one variable, which is the case n = 1, the functions studied are holomorphic or complex analytic so that, locally...
    124 KB (17,717 words) - 22:01, 1 July 2025
  • Thumbnail for Meromorphic function
    complex analysis, a meromorphic function on an open subset D of the complex plane is a function that is holomorphic on all of D except for a set of isolated...
    8 KB (1,114 words) - 04:00, 25 May 2025
  • antiholomorphic functions (also called antianalytic functions) are a family of functions closely related to but distinct from holomorphic functions. A function of...
    2 KB (373 words) - 04:50, 8 May 2024
  • Thumbnail for Harmonic function
    on this class of functions. In several ways, the harmonic functions are real analogues to holomorphic functions. All harmonic functions are analytic, that...
    23 KB (3,471 words) - 15:59, 21 June 2025
  • Thumbnail for Dirac delta function
    L2(∂D) of all holomorphic functions in D continuous up to the boundary of D. Then functions in H2(∂D) uniquely extend to holomorphic functions in D, and the...
    97 KB (14,359 words) - 02:34, 9 July 2025
  • Thumbnail for Analytic function
    analytic functions are exactly equivalent to holomorphic functions, and are thus much more easily characterized. For the case of an analytic function with...
    16 KB (2,233 words) - 09:22, 10 July 2025
  • Thumbnail for Cauchy's integral formula
    central statement in complex analysis. It expresses the fact that a holomorphic function defined on a disk is completely determined by its values on the boundary...
    25 KB (4,364 words) - 04:10, 17 May 2025
  • In mathematics, the value distribution theory of holomorphic functions is a division of mathematical analysis. The purpose of the theory is to provide...
    1 KB (137 words) - 17:13, 24 July 2024
  • Thumbnail for Zeros and poles
    of a function f if it is a zero of the function 1/f and 1/f is holomorphic (i.e. complex differentiable) in some neighbourhood of z0. A function f is...
    9 KB (1,479 words) - 11:37, 3 May 2025
  • analysis. It is concerned with generalizations of the concept of holomorphic function to functions defined and taking values in complex Banach spaces (or Fréchet...
    9 KB (1,358 words) - 16:52, 18 July 2024
  • Thumbnail for Morera's theorem
    criterion for proving that a function is holomorphic. Morera's theorem states that a continuous, complex-valued function f defined on an open set D in...
    9 KB (1,404 words) - 20:23, 21 May 2025
  • Thumbnail for Cauchy's integral theorem
    line integrals for holomorphic functions in the complex plane. Essentially, it says that if f ( z ) {\displaystyle f(z)} is holomorphic in a simply connected...
    10 KB (1,643 words) - 15:23, 27 May 2025
  • mathematics, holomorphic functional calculus is functional calculus with holomorphic functions. That is to say, given a holomorphic function f of a complex...
    31 KB (5,482 words) - 13:11, 10 July 2025
  • Thumbnail for Liouville's theorem (complex analysis)
    Liouville's theorem (complex analysis) (category Analytic functions)
    in 1844), states that every bounded entire function must be constant. That is, every holomorphic function f {\displaystyle f} for which there exists a...
    14 KB (2,330 words) - 21:13, 31 March 2025
  • Thumbnail for Residue (complex analysis)
    = {z : 0 < |z − c| < R} in the complex plane is given and f is a holomorphic function defined (at least) on D. The residue Res(f, c) of f at c is the coefficient...
    15 KB (3,101 words) - 12:03, 13 December 2024
  • Thumbnail for Incomplete gamma function
    \gamma ^{*}(s,z),} extends the real lower incomplete gamma function as a holomorphic function, both jointly and separately in z and s. It follows from the...
    43 KB (7,178 words) - 09:53, 13 June 2025
  • In mathematics, a modular form is a holomorphic function on the complex upper half-plane, H {\displaystyle {\mathcal {H}}} , that roughly satisfies a functional...
    31 KB (4,651 words) - 00:20, 3 March 2025
  • Thumbnail for Removable singularity
    Removable singularity (category Analytic functions)
    removable singularity of a holomorphic function is a point at which the function is undefined, but it is possible to redefine the function at that point in such...
    5 KB (941 words) - 09:32, 7 November 2023
  • geometry, a formal holomorphic function along a subvariety V of an algebraic variety W is an algebraic analog of a holomorphic function defined in a neighborhood...
    1 KB (203 words) - 02:23, 18 December 2016
  • Thumbnail for Picard theorem
    the modular lambda function, usually denoted by λ {\textstyle \lambda } , and which performs, using modern terminology, the holomorphic universal covering...
    12 KB (998 words) - 14:19, 11 March 2025
  • Thumbnail for Complex logarithm
    exponential function, namely the restriction to the image L ⁡ ( U ) {\displaystyle \operatorname {L} (U)} . Since the exponential function is holomorphic (that...
    30 KB (4,831 words) - 04:18, 11 July 2025
  • Thumbnail for Cauchy–Riemann equations
    Cauchy–Riemann equations (category Harmonic functions)
    proved that holomorphic functions are analytic and analytic complex functions are complex-differentiable. In particular, holomorphic functions are infinitely...
    34 KB (5,011 words) - 18:33, 3 July 2025
  • Thumbnail for Conformal map
    {\displaystyle z_{0}\in \mathbb {C} } . However, the exponential function is a holomorphic function with a nonzero derivative, but is not one-to-one since it...
    22 KB (2,515 words) - 03:03, 24 June 2025
  • versions of the inverse function theorem for holomorphic functions, for differentiable maps between manifolds, for differentiable functions between Banach spaces...
    42 KB (7,930 words) - 16:02, 27 May 2025
  • Thumbnail for Biholomorphism
    function is a bijective holomorphic function whose inverse is also holomorphic. Formally, a biholomorphic function is a function ϕ {\displaystyle \phi }...
    5 KB (634 words) - 04:09, 9 July 2025
  • Thumbnail for Lambert W function
    as may be seen by the ratio test. The function defined by this series can be extended to a holomorphic function defined on all complex numbers with a...
    78 KB (12,451 words) - 23:53, 18 June 2025
  • Schwarz's lemma, Lindelöf principle, analogues and generalizations". A holomorphic function on an open subset of the complex plane is called univalent if it...
    13 KB (1,787 words) - 15:31, 22 January 2024