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

# Logarithmic Branch Point

## See also

Algebraic Branch Point, Branch Point, Logarithmic Singularity## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Logarithmic Branch Point."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/LogarithmicBranchPoint.html