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quant-ph2025
Efficient and optimal quantum state discrimination via quantum belief propagation
Christophe Piveteau, Joseph M. Renes
We present an efficient quantum algorithm for a structured state discrimination problem we call the subspace decoding task. Building on this, we show that the algorithm enables eff…
quant-ph2025★ 1 cited
Circuit cutting with classical side information
Christophe Piveteau, Lukas Schmitt, David Sutter
Circuit cutting is a technique for simulating large quantum circuits by partitioning them into smaller subcircuits, which can be executed on smaller quantum devices. The results fr…
quant-ph2025
Simulating quantum circuits with restricted quantum computers
Christophe Piveteau
It is one of the most fundamental objectives in quantum information science to understand the boundary between the computational power of classical and quantum computers. One possi…