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quant-ph2026
Pathfinder-BP: A Low-Latency Recursive Decoder for Topological Codes
Stefano Tinelli, Francisco Lázaro, Francisco García Herrero
We propose Pathfinder-BP, a recursive decoder for topological quantum codes that combines belief propagation with controlled bit-flipping. An initial BP pass identifies and permane…
quant-ph2023
Optimal Single-Shot Decoding of Quantum Codes
Aldo Cumitini, Stefano Tinelli, Balázs Matuz +2
We discuss single-shot decoding of quantum Calderbank-Shor-Steane codes with faulty syndrome measurements. We state the problem as a joint source-channel coding problem. By adding…