Sampling via Stochastic Interpolants by Langevin-based Velocity and Initialization Estimation in Flow ODEs

该论文提出了一种基于线性随机插值的概率流常微分方程的采样新方法,通过利用朗之万采样器高效生成中间分布样本并构建速度场估计器,实现了对未归一化玻尔兹曼分布的有效采样,并在理论上证明了收敛性,在数值实验中展现了处理高维多模态分布及贝叶斯推断任务的高效性。

Chenguang Duan, Yuling Jiao, Gabriele Steidl, Christian Wald, Jerry Zhijian Yang, Ruizhe ZhangThu, 12 Ma📊 stat

SDSR: A Spectral Divide-and-Conquer Approach for Species Tree Reconstruction

本文提出了一种基于谱图理论的物种树重建可扩展分治算法 SDSR,该算法在理论保证下,通过递归划分物种子集并合并子树,在保持与全数据方法相当的重建精度的同时,显著提升了计算效率。

Ortal Reshef (Hebrew University of Jerusalem), Ofer Glassman (Weizmann Institute of Science), Or Zuk (Hebrew University of Jerusalem), Yariv Aizenbud (Tel Aviv University), Boaz Nadler (Weizmann Institute of Science), Ariel Jaffe (Hebrew University of Jerusalem)Thu, 12 Ma🧬 q-bio