Search Results for author: Nana Liu

Found 7 papers, 1 papers with code

Sample complexity of quantum hypothesis testing

no code implementations26 Mar 2024 Hao-Chung Cheng, Nilanjana Datta, Nana Liu, Theshani Nuradha, Robert Salzmann, Mark M. Wilde

By making use of the wealth of knowledge that already exists in the literature on quantum hypothesis testing, we characterize the sample complexity of binary quantum hypothesis testing in the symmetric and asymmetric settings, and we provide bounds on the sample complexity of multiple quantum hypothesis testing.

LEMMA

Efficient verification of continuous-variable quantum states and devices without assuming identical and independent operations

no code implementations7 Dec 2020 Ya-Dong Wu, Ge Bai, Giulio Chiribella, Nana Liu

To successfully demonstrate these protocols, an essential step is the certification of multimode continuous-variable quantum states and quantum devices.

Quantum Physics

Optimal Provable Robustness of Quantum Classification via Quantum Hypothesis Testing

no code implementations21 Sep 2020 Maurice Weber, Nana Liu, Bo Li, Ce Zhang, Zhikuan Zhao

This link leads to a tight robustness condition which puts constraints on the amount of noise a classifier can tolerate, independent of whether the noise source is natural or adversarial.

Classification General Classification +2

Quantum noise protects quantum classifiers against adversaries

no code implementations20 Mar 2020 Yuxuan Du, Min-Hsiu Hsieh, Tongliang Liu, DaCheng Tao, Nana Liu

This robustness property is intimately connected with an important security concept called differential privacy which can be extended to quantum differential privacy.

Classification General Classification

Data Sanity Check for Deep Learning Systems via Learnt Assertions

no code implementations6 Sep 2019 Haochuan Lu, Huanlin Xu, Nana Liu, Yangfan Zhou, Xin Wang

But the statistical nature of DL makes it quite vulnerable to invalid inputs, i. e., those cases that are not considered in the training phase of a DL model.

Vulnerability of quantum classification to adversarial perturbations

no code implementations10 May 2019 Nana Liu, Peter Wittek

Furthermore, this leads to a trade-off between the security of the classification algorithm against adversarial attacks and quantum advantages we expect for high-dimensional problems.

Quantum Physics

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