Problems / analysis
analysis / Fractal geometry; dimension of self-similar measures
The entropy-rate dimension conjecture for self-similar measures on the line (including the exact overlaps conjecture)
Theorem 1.1: for every finite system of contracting similarities of R and every positive probability vector, dimHμ=min{1,hRW/χ}, with no separation or arithmetic assumption; exact overlaps, repeated maps, negative and unequal ratios are allowed. Without exact overlaps this gives min{1,H(p)/χ} (the exact overlaps conjecture in dimension one) and the attractor formula dimHK=min{1,s} with ∑∣ri∣s=1. It says nothing about absolute continuity (for instance of Bernoulli convolutions) and does not treat higher-dimensional or non-conformal systems.