no code implementations • 30 Aug 2019 • Travis L. Scholten, Yi-Kai Liu, Kevin Young, Robin Blume-Kohout
Quantum characterization, validation, and verification (QCVV) techniques are used to probe, characterize, diagnose, and detect errors in quantum information processors (QIPs).
1 code implementation • 1 Mar 2018 • Ingo Roth, Richard Kueng, Shelby Kimmel, Yi-Kai Liu, David Gross, Jens Eisert, Martin Kliesch
For the important case of characterising multi-qubit unitary gates, we provide a rigorously guaranteed and practical reconstruction method that works with an essentially optimal number of average gate fidelities measured respect to random Clifford unitaries.
Quantum Physics Information Theory Information Theory
no code implementations • 30 Oct 2017 • Vedran Dunjko, Yi-Kai Liu, Xingyao Wu, Jacob M. Taylor
Quantum computers can offer dramatic improvements over classical devices for data analysis tasks such as prediction and classification.
no code implementations • NeurIPS 2012 • Anima Anandkumar, Dean P. Foster, Daniel J. Hsu, Sham M. Kakade, Yi-Kai Liu
This work provides a simple and efficient learning procedure that is guaranteed to recover the parameters for a wide class of topic models, including Latent Dirichlet Allocation (LDA).
no code implementations • NeurIPS 2011 • Yi-Kai Liu
We study the problem of reconstructing an unknown matrix M of rank r and dimension d using O(rd polylog d) Pauli measurements.