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quant-ph2026
Algorithmic Locality via Provable Convergence in Quantum Tensor Networks
Siddhant Midha, Yifan F. Zhang, Daniel Malz +2
Belief propagation has recently emerged as a powerful framework for evaluating tensor networks in higher dimensions, combining computational efficiency with provable analytical gua…
quant-ph2025
Beyond Belief Propagation: Cluster-Corrected Tensor Network Contraction with Exponential Convergence
Siddhant Midha, Yifan F. Zhang
Tensor network contraction on arbitrary graphs is a fundamental computational challenge with applications ranging from quantum simulation to error correction. While belief propagat…
quant-ph2025
Exact Coset Sampling for Quantum Lattice Algorithms
Yifan Zhang
We revisit the post-processing phase of Chen's Karst-wave quantum lattice algorithm (Chen, 2024) in the Learning with Errors (LWE) parameter regime. Conditioned on a transcript …