A living parameter atlas · Direct–direct family

Follow the shape of connection

Move a coloured locator. Watch two fractal pieces and their difference change together.
Turn the surface, find a ridge, and travel into its fine structure.

How to read these views ↓

Preparing the live atlas…

Read the geometry

A parameter space you can move through

The two similarities are f₋(z) = −1 + λ₋z and f₊(z) = 1 + λ₊z, with λ₋ = (2w/ρ) exp(i(α−γ)) and λ₊ = (2(1−w)/ρ) exp(−i(α+γ)). Weight changes contraction lengths; addresses are sampled with equal symbol probabilities.

The torus displays the full angular coordinates. Its radius is the outermost transition detected by a finite radial survey, and its colour records a selected finite pair-address code. The torus hole belongs to the display. Colour is not a proved classification of topological type.

Controls, density & numerical limits

Choose A–F to revisit your six locators. Drag a locator on the visible surface, or focus it and use arrow keys to change its angular coordinates. Drag the background to orbit. Double-click a visible point to move the active locator there along a smooth angular path. A new gesture interrupts travel. Reduced-motion preferences make travel immediate.

K shows sampled finite addressed centres. D uses independent pairs of finite words, retaining multiplicities, with a mass-preserving smoothed histogram. Its opacity is a shared logarithmic display of probability per complex-plane unit². Sampling grid, bandwidth and word depth are reported above; neither a limiting density nor a dimension estimate is asserted.

The convex hulls approximate finite prefix hulls, with numerical tail bounds. The optional tree is an address scaffold: the node for u is (fu(0), |λu|). It does not identify which branches meet in the limiting set. The original high-resolution study retains its exact image provenance and downloads.

Interactive specimen