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§sparse-ir-minipole
Minimal pole representations from DLR coefficients or Matsubara data, and
the ESPRIT algorithm they rest on: L. Zhang and E. Gull, Phys. Rev. B 110,
035154 (2024); L. Zhang, Y. Yu and E. Gull, Phys. Rev. B 110, 235131
(2024). Most users depend on the sparse-ir crate.
The implementation is a port of the reference implementation
Green-Phys/MiniPole (MIT License, Copyright (c) 2024 lzphy; see
LICENSE-THIRD-PARTY), checked against its outputs.