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English(EN) On the Approximation Complexity of Matrix Product Operator (MPO) Born Machines

新研究详细阐述了MPO生成模型近似中的NP-hard挑战

一篇新发表在arXiv上的论文探讨了矩阵乘积算子(MPO)生成模型(一种用于概率建模的张量网络模型)的理论近似能力。该研究提出了一个负面结果,证明了使用多项式键MPO-BM来近似具有有界KL误差的任意连续目标是一个NP-hard问题。然而,该论文也提供了一个积极的发现:对于基于分数的变分推断,满足对数-索伯列夫不等式的目标在与损失诱导哈密顿量相关的特定条件下,可以得到具有可证明KL保证的近似。 AI

影响 这项研究有助于加深对张量网络模型概率建模的理论理解,可能为未来复杂数据表示的进步提供信息。

排序理由 该集群包含一篇同行评审的学术论文,详细介绍了机器学习领域的理论发现。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新研究详细阐述了MPO生成模型近似中的NP-hard挑战

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该集群包含一篇同行评审的学术论文,详细介绍了机器学习领域的理论发现。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Chao Li, Zerui Tao, Yuchen Cong, Jian Xu, Qibin Zhao ·

    关于矩阵乘积算子(MPO)玻尔兹曼机的近似复杂度

    arXiv:2605.11471v2 Announce Type: replace Abstract: Matrix product operator Born machines (MPO-BMs) are tractable tensor-network models for probabilistic modeling, yet their approximation capabilities remain poorly understood in theory. In this paper, we characterize these capabi…