Gaussian Purification Quotients and Fixed Nielsen Penalties

arXiv:2609.17574 · quant-ph, hep-th, math-ph, math.MP · Submitted 2026-07-31 · Read on arXiv

quant-ph, hep-th, math-ph, math.MP

Submitted: 2026-07-31

Updated: 2026-09-17

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Trace — 7× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Fisher Information — 1× in this paper · explained in 3 episodes
• No-Go Theorem — 1× in this paper · explained in 2 episodes

Sources

• The Quantum Correction to Gaussian Information Geometry is the Killing Form of the Symplectic Algebra
• Phase space formalism for quantum estimation of Gaussian states

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