Search Results for author: Yufeng Wu

Found 7 papers, 0 papers with code

Stochastic Dynamic Power Dispatch with High Generalization and Few-Shot Adaption via Contextual Meta Graph Reinforcement Learning

no code implementations19 Jan 2024 Bairong Deng, Tao Yu, Zhenning Pan, Xuehan Zhang, Yufeng Wu, Qiaoyi Ding

To fill these gaps, a novel contextual meta graph reinforcement learning (Meta-GRL) for a highly generalized multi-stage optimal dispatch policy is proposed.

Decision Making reinforcement-learning

Exploration of Adolescent Depression Risk Prediction Based on Census Surveys and General Life Issues

no code implementations6 Jan 2024 Qiang Li, Yufeng Wu, Zhan Xu, Hefeng Zhou

We introduced a method for managing severely imbalanced high-dimensional data and an adaptive predictive approach tailored to data structure characteristics.

Facial Expression Recognition

Computing the Bounds of the Number of Reticulations in a Tree-Child Network That Displays a Set of Trees

no code implementations30 Nov 2023 Yufeng Wu, Louxin Zhang

Phylogenetic network is an evolutionary model that uses a rooted directed acyclic graph (instead of a tree) to model an evolutionary history of species in which reticulate events (e. g., hybrid speciation or horizontal gene transfer) occurred.

Ignorance Is Bliss: The Screening Effect of (Noisy) Information

no code implementations22 Feb 2023 Felix Zhiyu Feng, Wenyu Wang, Yufeng Wu, Gaoqing Zhang

While more precise information allows the firm to make ex-post more efficient investment decisions, noisier information has an ex-ante screening effect that allows the firm to attract on-average better managers.

A Fast and Scalable Method for Inferring Phylogenetic Networks from Trees by Aligning Lineage Taxon Strings

no code implementations3 Jan 2023 Louxin Zhang, Niloufar Abhari, Caroline Colijn, Yufeng Wu

The reconstruction of phylogenetic networks is an important but challenging problem in phylogenetics and genome evolution, as the space of phylogenetic networks is vast and cannot be sampled well.

Can Multiple Phylogenetic Trees Be Displayed in a Tree-Child Network Simultaneously?

no code implementations6 Jul 2022 Yufeng Wu, Louxin Zhang

It is also proved that any set of multiple binary phylogenetic trees can always simultaneously be displayed in some non-binary tree-child network on the same taxa set, where each nonleaf node is of either indegree one and outdegree two or indegree at least two and outdegree out.

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