A function is termed regular iff it is analytic and single-valued throughout a region .
Regular Function
See also
Analytic Function, Holomorphic Function, Regular Rational Function, Single-Valued FunctionThis entry contributed by Adam Getchell
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References
Mathews, J. and Walker, R. L. Mathematical Methods of Physics, 2nd ed. Reading, MA: W. A. Benjamin/Addison-Wesley, p. 477, 1970.Referenced on Wolfram|Alpha
Regular FunctionCite this as:
Getchell, Adam. "Regular Function." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/RegularFunction.html