适用于高维问题的迭代阈值低秩时间积分方法
Iterative thresholding low-rank time integration for high-dimensional problems
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中文总结 AI 辅助
本研究提出一种基于分层张量近似的迭代阈值低秩时间积分方法,用于求解高维线性薛定谔型问题,经耦合振子数值测试验证了其有效性。
中文摘要 AI 辅助
本工作分析了一种基于分层张量近似的高维线性薛定谔型问题的时间积分方法,该方法在误差界与相关近似秩间取得平衡,采用带软阈值的迭代细化方案,通过耦合振子的数值测试验证了其实际性能。
英文摘要
This work analyzes a method for time integration of high-dimensional linear Schrödinger-type problems based on hierarchical tensor approximations. In particular, this method provides a balance between error bounds and associated approximation ranks, using a scheme for iterative refinement with soft thresholding of tensors. The practical performance of the method is illustrated by numerical tests on coupled oscillators.