Generalization Study of Quantum Neural Network

• URL: http://arxiv.org/abs/2006.02388v2
• Date: Wed, 29 May 2024 05:43:08 GMT
• Title: Generalization Study of Quantum Neural Network
• Authors: JinZhe Jiang, Xin Zhang, Chen Li, YaQian Zhao, RenGang Li,
• Abstract summary: Generalization is an important feature of neural network, and there have been many studies on it. We studied a class of quantum neural network constructed by quantum gate. Our model has better generalization than the classical neu-ral network with the same structure.
• Score: 11.502747203515954
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Generalization is an important feature of neural network, and there have been many studies on it. Recently, with the development of quantum compu-ting, it brings new opportunities. In this paper, we studied a class of quantum neural network constructed by quantum gate. In this model, we mapped the feature data to a quantum state in Hilbert space firstly, and then implement unitary evolution on it, in the end, we can get the classification result by im-plement measurement on the quantum state. Since all the operations in quan-tum neural networks are unitary, the parameters constitute a hypersphere of Hilbert space. Compared with traditional neural network, the parameter space is flatter. Therefore, it is not easy to fall into local optimum, which means the quantum neural networks have better generalization. In order to validate our proposal, we evaluated our model on three public datasets, the results demonstrated that our model has better generalization than the classical neu-ral network with the same structure.

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