Develops diagrammatic perturbation theory for free energies with fixed variance and applies it to complete the thermodynamic-limit free energy for a spin system while providing resummations for poorly sampled entropies.
Expansion of the effective action around non-gaussian theories.Journal of Physics A: Mathematical and Theoretical, 51(37):375004, aug 2018
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Diagrammatics of free energies with fixed variance for high-dimensional data
Develops diagrammatic perturbation theory for free energies with fixed variance and applies it to complete the thermodynamic-limit free energy for a spin system while providing resummations for poorly sampled entropies.