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We propose a novel application of graph attention networks (GATs), a type of graph neural network enhanced with attention mechanisms, to develop a deep learning algorithm for detecting collusive behavior, leveraging predictive features…

计量经济学 · 经济学 2025-07-18 David Imhof , Emanuel W Viklund , Martin Huber

The convergence of quantum-inspired neural networks and deep reinforcement learning offers a promising avenue for financial trading. We implemented a trading agent for USD/TWD by integrating Quantum Long Short-Term Memory (QLSTM) for…

机器学习 · 计算机科学 2025-09-15 Jun-Hao Chen , Yu-Chien Huang , Yun-Cheng Tsai , Samuel Yen-Chi Chen

Portfolio traders strive to identify dynamic portfolio allocation schemes so that their total budgets are efficiently allocated through the investment horizon. This study proposes a novel portfolio trading strategy in which an intelligent…

投资组合管理 · 定量金融 2019-12-02 Hyungjun Park , Min Kyu Sim , Dong Gu Choi

Quantization-aware training (QAT) simulates a quantization process during training to lower bit-precision of weights/activations. It learns quantized weights indirectly by updating latent weights,i.e., full-precision inputs to a quantizer,…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Junghyup Lee , Jeimin Jeon , Dohyung Kim , Bumsub Ham

This paper proposes a Deep Reinforcement Learning algorithm for financial portfolio trading based on Deep Q-learning. The algorithm is capable of trading high-dimensional portfolios from cross-sectional datasets of any size which may…

投资组合管理 · 定量金融 2021-12-10 Uta Pigorsch , Sebastian Schäfer

Financial market prediction is a challenging application of machine learning, where even small improvements in directional accuracy can yield substantial value. Most models struggle to exceed 55--57\% accuracy due to high noise,…

机器学习 · 计算机科学 2025-12-19 Abraham Itzhak Weinberg

This work proposes QNet, a novel sequence encoder model that entirely inferences on the quantum computer using a minimum number of qubits. Let $n$ and $d$ represent the length of the sequence and the embedding size, respectively. The…

机器学习 · 计算机科学 2023-08-29 Wei Day , Hao-Sheng Chen , Min-Te Sun

Deep learning has shown remarkable results on Euclidean data (e.g. audio, images, text) however this type of data is limited in the amount of relational information it can hold. In mathematics we can model more general relational data in a…

统计金融 · 定量金融 2021-12-20 Edward Turner

We introduce Quantum Graph Attention Networks (QGATs) as trainable quantum encoders for inductive learning on graphs, extending the Quantum Graph Neural Networks (QGNN) framework. QGATs leverage parameterized quantum circuits to encode node…

量子物理 · 物理学 2025-09-16 Arthur M. Faria , Mehdi Djellabi , Igor O. Sokolov , Savvas Varsamopoulos

Cybersecurity has become a primary global concern with the rapid increase in security attacks and data breaches. Artificial intelligence is promising to help humans analyzing and identifying attacks. However, labeling millions of packets…

密码学与安全 · 计算机科学 2022-09-02 Ling-Hsuan Lin , Shun-Wen Hsiao

Quantization-aware training (QAT) is a common paradigm for network quantization, in which the training phase incorporates the simulation of the low-precision computation to optimize the quantization parameters in alignment with the task…

机器学习 · 计算机科学 2024-12-23 Chengting Yu , Shu Yang , Fengzhao Zhang , Hanzhi Ma , Aili Wang , Er-Ping Li

Portfolio management issues have been extensively studied in the field of artificial intelligence in recent years, but existing deep learning-based quantitative trading methods have some areas where they could be improved. First of all, the…

计算金融 · 定量金融 2024-02-27 Qishuo Cheng , Le Yang , Jiajian Zheng , Miao Tian , Duan Xin

Quantized neural networks (QNNs) have received increasing attention in resource-constrained scenarios due to their exceptional generalizability. However, their robustness against realistic black-box adversarial attacks has not been…

密码学与安全 · 计算机科学 2024-02-20 Yulong Yang , Chenhao Lin , Qian Li , Zhengyu Zhao , Haoran Fan , Dawei Zhou , Nannan Wang , Tongliang Liu , Chao Shen

We report successful results from using deep learning neural networks (DLNNs) to learn, purely by observation, the behavior of profitable traders in an electronic market closely modelled on the limit-order-book (LOB) market mechanisms that…

计算工程、金融与科学 · 计算机科学 2018-11-08 Arthur le Calvez , Dave Cliff

In recent years, high-frequency trading has emerged as a crucial strategy in stock trading. This study aims to develop an advanced high-frequency trading algorithm and compare the performance of three different mathematical models: the…

交易与市场微观结构 · 定量金融 2023-11-21 Jiahao Chen , Xiaofei Li

This paper introduced key aspects of applying Machine Learning (ML) models, improved trading strategies, and the Quasi-Reversibility Method (QRM) to optimize stock option forecasting and trading results. It presented the findings of the…

计算金融 · 定量金融 2022-11-30 Zheng Cao , Raymond Guo , Wenyu Du , Jiayi Gao , Kirill V. Golubnichiy

Understanding complex animal behaviors hinges on deciphering the neural activity patterns within brain circuits, making the ability to forecast neural activity crucial for developing predictive models of brain dynamics. This capability…

Large-scale, two-sided matching platforms must find market outcomes that align with user preferences while simultaneously learning these preferences from data. Classical notions of stability (Gale and Shapley, 1962; Shapley and Shubik,…

机器学习 · 计算机科学 2023-02-02 Meena Jagadeesan , Alexander Wei , Yixin Wang , Michael I. Jordan , Jacob Steinhardt

Quantum Bridge Analytics relates to methods and systems for hybrid classical-quantum computing, and is devoted to developing tools for bridging classical and quantum computing to gain the benefits of their alliance in the present and enable…

离散数学 · 计算机科学 2020-02-11 Fred Glover , Gary Kochenberger , Moses Ma , Yu Du

Quantitative trading is an integral part of financial markets with high calculation speed requirements, while no quantum algorithms have been introduced into this field yet. We propose quantum algorithms for high-frequency statistical…

量子物理 · 物理学 2022-08-24 Xi-Ning Zhuang , Zhao-Yun Chen , Yu-Chun Wu , Guo-Ping Guo