Logarithmic Branch Point

A branch point whose neighborhood of values wrap around an infinite number of times as their complex arguments are varied. The point z=0 under the function lnz is therefore a logarithmic branch point. Logarithmic branch points are equivalent to logarithmic singularities.

See also

Algebraic Branch Point, Branch Point, Logarithmic Singularity

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Cite this as:

Weisstein, Eric W. "Logarithmic Branch Point." From MathWorld--A Wolfram Web Resource.

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