activity
20192025
most citedWeakly Convex Optimization over Stiefel Manifold Using Riemannian Subgradient-Type Methods

16 citations · 29 across the 16 of their papers we have counts for

collaborators

18 papers

cs.CV2025

DreaMontage: Arbitrary Frame-Guided One-Shot Video Generation

Jiawei Liu, Junqiao Li, Jiangfan Deng +11

The "one-shot" technique represents a distinct and sophisticated aesthetic in filmmaking. However, its practical realization is often hindered by prohibitive costs and complex real…

cs.LG2024

Boosting Gradient Ascent for Continuous DR-submodular Maximization

Qixin Zhang, Zongqi Wan, Zengde Deng +4

Projected Gradient Ascent (PGA) is the most commonly used optimization scheme in machine learning and operations research areas. Nevertheless, numerous studies and examples have sh…

cs.IR2023

Multi-channel Integrated Recommendation with Exposure Constraints

Yue Xu, Qijie Shen, Jianwen Yin +6

Integrated recommendation, which aims at jointly recommending heterogeneous items from different channels in a main feed, has been widely applied to various online platforms. Thoug…

math.OC2023

Decentralized Weakly Convex Optimization Over the Stiefel Manifold

Jinxin Wang, Jiang Hu, Shixiang Chen +2

We focus on a class of non-smooth optimization problems over the Stiefel manifold in the decentralized setting, where a connected network of agents cooperatively minimize a fin…

math.OC2023

An Online Algorithm for Chance Constrained Resource Allocation

Yuwei Chen, Zengde Deng, Yinzhi Zhou +3

This paper studies the online stochastic resource allocation problem (RAP) with chance constraints. The online RAP is a 0-1 integer linear programming problem where the resource co…

cs.IR2022

Flattened Graph Convolutional Networks For Recommendation

Yue Xu, Hao Chen, Zengde Deng +2

Graph Convolutional Networks (GCNs) and their variants have achieved significant performances on various recommendation tasks. However, many existing GCN models tend to perform rec…

cs.LG2022

Communication-Efficient Decentralized Online Continuous DR-Submodular Maximization

Qixin Zhang, Zengde Deng, Xiangru Jian +3

Maximizing a monotone submodular function is a fundamental task in machine learning, economics, and statistics. In this paper, we present two communication-efficient decentralized…

cs.LG2022★ 1 cited

Online Learning for Non-monotone Submodular Maximization: From Full Information to Bandit Feedback

Qixin Zhang, Zengde Deng, Zaiyi Chen +3

In this paper, we revisit the online non-monotone continuous DR-submodular maximization problem over a down-closed convex set, which finds wide real-world applications in the domai…

math.OC2022★ 2 cited

Online Primal-Dual Algorithms For Stochastic Resource Allocation Problems

Yuwei Chen, Zengde Deng, Zaiyi Chen +3

This paper studies the online stochastic resource allocation problem (RAP) with chance constraints and conditional expectation constraints. The online RAP is an integer linear prog…

cs.LG2022★ 2 cited

Neighbor Enhanced Graph Convolutional Networks for Node Classification and Recommendation

Hao Chen, Zhong Huang, Yue Xu +4

The recently proposed Graph Convolutional Networks (GCNs) have achieved significantly superior performance on various graph-related tasks, such as node classification and recommend…

cs.LG2022★ 3 cited

Stochastic Continuous Submodular Maximization: Boosting via Non-oblivious Function

Qixin Zhang, Zengde Deng, Zaiyi Chen +2

In this paper, we revisit Stochastic Continuous Submodular Maximization in both offline and online settings, which can benefit wide applications in machine learning and operations…

cs.LG2021

Non-Recursive Graph Convolutional Networks

Hao Chen, Zengde Deng, Yue Xu +1

Graph Convolutional Networks (GCNs) are powerful models for node representation learning tasks. However, the node representation in existing GCN models is usually generated by perf…

q-fin.PM2020

Sparse High-Order Portfolios via Proximal DCA and SCA

Jinxin Wang, Zengde Deng, Taoli Zheng +1

In this paper, we aim at solving the cardinality constrained high-order portfolio optimization, i.e., mean-variance-skewness-kurtosis model with cardinality constraint (MVSKC). Opt…

cs.IR2020★ 1 cited

Single-Layer Graph Convolutional Networks For Recommendation

Yue Xu, Hao Chen, Zengde Deng +5

Graph Convolutional Networks (GCNs) and their variants have received significant attention and achieved start-of-the-art performances on various recommendation tasks. However, many…

math.OC2020★ 2 cited

Manifold Proximal Point Algorithms for Dual Principal Component Pursuit and Orthogonal Dictionary Learning

Shixiang Chen, Zengde Deng, Shiqian Ma +1

We consider the problem of maximizing the norm of a linear map over the sphere, which arises in various machine learning applications such as orthogonal dictionary learnin…

math.OC2019★ 16 cited

Weakly Convex Optimization over Stiefel Manifold Using Riemannian Subgradient-Type Methods

Xiao Li, Shixiang Chen, Zengde Deng +3

We consider a class of nonsmooth optimization problems over the Stiefel manifold, in which the objective function is weakly convex in the ambient Euclidean space. Such problems are…

cs.LG2019

Voting-Based Multi-Agent Reinforcement Learning for Intelligent IoT

Yue Xu, Zengde Deng, Mengdi Wang +3

The recent success of single-agent reinforcement learning (RL) in Internet of things (IoT) systems motivates the study of multi-agent reinforcement learning (MARL), which is more c…

math.OC2019★ 2 cited

An Efficient Augmented Lagrangian Based Method for Constrained Lasso

Zengde Deng, Anthony Man-Cho So

Variable selection is one of the most important tasks in statistics and machine learning. To incorporate more prior information about the regression coefficients, the constrained L…