 Hyperbolic length in the Poincare disc

ID: hyperbolic-length-in-the-poincare-disc

Codex  0 Created 2026-09-24 Updated 2026-10-03

z (t)

in the Poincare disc, its hyperbolic length is

L (z) = \int \frac{2∣ z ˙ ( t ) ∣}{1 - ∣ z ( t ) ∣ ^{2}} d t .

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