Search Results for author: Han Zheng

Found 14 papers, 1 papers with code

Multi-agent Path Finding for Cooperative Autonomous Driving

no code implementations1 Feb 2024 Zhongxia Yan, Han Zheng, Cathy Wu

Anticipating possible future deployment of connected and automated vehicles (CAVs), cooperative autonomous driving at intersections has been studied by many works in control theory and intelligent transportation across decades.

Autonomous Driving Multi-Agent Path Finding +1

Adaptive Policy Learning for Offline-to-Online Reinforcement Learning

no code implementations14 Mar 2023 Han Zheng, Xufang Luo, Pengfei Wei, Xuan Song, Dongsheng Li, Jing Jiang

In this paper, we consider an offline-to-online setting where the agent is first learned from the offline dataset and then trained online, and propose a framework called Adaptive Policy Learning for effectively taking advantage of offline and online data.

Continuous Control Offline RL +2

SnCQA: A hardware-efficient equivariant quantum convolutional circuit architecture

no code implementations23 Nov 2022 Han Zheng, Christopher Kang, Gokul Subramanian Ravi, Hanrui Wang, Kanav Setia, Frederic T. Chong, Junyu Liu

We propose SnCQA, a set of hardware-efficient variational circuits of equivariant quantum convolutional circuits respective to permutation symmetries and spatial lattice symmetries with the number of qubits $n$.

Benchmarking

Unifying O(3) Equivariant Neural Networks Design with Tensor-Network Formalism

no code implementations14 Nov 2022 Zimu Li, Zihan Pengmei, Han Zheng, Erik Thiede, Junyu Liu, Risi Kondor

Equivariant graph neural networks are a standard approach to such problems, with one of the most successful methods employing tensor products between various tensors that transform under the spatial group.

Tensor Networks

Quantum Power Flows: From Theory to Practice

no code implementations10 Nov 2022 Junyu Liu, Han Zheng, Masanori Hanada, Kanav Setia, Dan Wu

Climate change is becoming one of the greatest challenges to the sustainable development of modern society.

On the Super-exponential Quantum Speedup of Equivariant Quantum Machine Learning Algorithms with SU($d$) Symmetry

no code implementations15 Jul 2022 Han Zheng, Zimu Li, Junyu Liu, Sergii Strelchuk, Risi Kondor

We introduce a framework of the equivariant convolutional algorithms which is tailored for a number of machine-learning tasks on physical systems with arbitrary SU($d$) symmetries.

BIG-bench Machine Learning Quantum Machine Learning

Speeding up Learning Quantum States through Group Equivariant Convolutional Quantum Ansätze

1 code implementation14 Dec 2021 Han Zheng, Zimu Li, Junyu Liu, Sergii Strelchuk, Risi Kondor

We develop a theoretical framework for $S_n$-equivariant convolutional quantum circuits with SU$(d)$-symmetry, building on and significantly generalizing Jordan's Permutational Quantum Computing (PQC) formalism based on Schur-Weyl duality connecting both SU$(d)$ and $S_n$ actions on qudits.

BIG-bench Machine Learning Quantum Machine Learning

Adaptive Q-learning for Interaction-Limited Reinforcement Learning

no code implementations29 Sep 2021 Han Zheng, Xufang Luo, Pengfei Wei, Xuan Song, Dongsheng Li, Jing Jiang

Specifically, we explicitly consider the difference between the online and offline data and apply an adaptive update scheme accordingly, i. e., a pessimistic update strategy for the offline dataset and a greedy or no pessimistic update scheme for the online dataset.

Offline RL Q-Learning +2

Uncertainty Regularized Policy Learning for Offline Reinforcement Learning

no code implementations29 Sep 2021 Han Zheng, Jing Jiang, Pengfei Wei, Guodong Long, Xuan Song, Chengqi Zhang

URPL adds an uncertainty regularization term in the policy learning objective to enforce to learn a more stable policy under the offline setting.

D4RL Offline RL +2

Towards a variational Jordan-Lee-Preskill quantum algorithm

no code implementations12 Sep 2021 Junyu Liu, Zimu Li, Han Zheng, Xiao Yuan, Jinzhao Sun

Rapid developments of quantum information technology show promising opportunities for simulating quantum field theory in near-term quantum devices.

Computational Efficiency

An Extendible, Graph-Neural-Network-Based Approach for Accurate Force Field Development of Large Flexible Organic Molecules

no code implementations2 Jun 2021 Xufei Wang, Yuanda Xu, Han Zheng, Kuang Yu

An accurate force field is the key to the success of all molecular mechanics simulations on organic polymers and biomolecules.

An optimal hierarchical clustering approach to segmentation of mobile LiDAR point clouds

no code implementations6 Mar 2017 Sheng Xu, Ruisheng Wang, Han Zheng

The main contribution of this paper is that we succeed to optimize the combination of clusters in the hierarchical clustering.

Clustering Point Cloud Segmentation +1

Road Curb Extraction from Mobile LiDAR Point Clouds

no code implementations15 Oct 2016 Sheng Xu, Ruisheng Wang, Han Zheng

Automatic extraction of road curbs from uneven, unorganized, noisy and massive 3D point clouds is a challenging task.

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