A metric defined by
where denotes the positive harmonic functions on a domain. The part metric is invariant under conformal maps for any domain.
A metric defined by
where denotes the positive harmonic functions on a domain. The part metric is invariant under conformal maps for any domain.
Weisstein, Eric W. "Part Metric." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PartMetric.html