# A new geometric lens on quantum thermalization sidesteps an exponential wall

- slug: a-new-geometric-lens-on-quantum-thermalization-sidesteps-an-exponential-wall
- date: 2026-04-06
- category: Quantum Computing

Predicting when a quantum system loses track of its initial state has required either exponential time or statistical averaging over many identical preparations. A new proof claims to eliminate both, using only the geometry of high-dimensional Hilbert space.

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