Argument Principle
If 
is Meromorphic in a region 
enclosed by a curve 
, let 
be the number ofComplex Roots of in , and 
be the number of Polesin , then
Defining
and 
gives
See also Variation of Argument
References
Duren, P.; Hengartner, W.; and Laugessen, R. S. ``The Argument Principle for Harmonic Functions.'' Math. Mag. 103, 411-415, 1996.
- Point-Point Distance--2-D
- Point-Point Distance--3-D
- Point Probability
- Point-Quadratic Distance
- Point-Set Topology
- Points Problem
- Pointwise Dimension
- Poisson Bracket
- Poisson-Charlier Function
- Poisson-Charlier Polynomial
- Poisson Distribution
- Poisson Integral
- Poisson Integral Representation
- Poisson Kernel
- Poisson Manifold
- Poisson's Bessel Function Formula
- Poisson's Equation
- Poisson's Harmonic Function Formula
- Poisson Sum Formula
- Poisson Trials
- Poke Move
- Poker
- Polar
- Polar Angle
- Polar Circle