activity
20232026
most citedAlignment between Initial State and Mixer Improves QAOA Performance for Constrained Optimization

47 citations · 96 across the 11 of their papers we have counts for

collaborators

11 papers

quant-ph2026

Operational criteria for quantum advantage in latency-constrained nonlocal games

Changhao Li, Seigo Kikura, Akihisa Goban +2

Remote entanglement enables coordinated decision making without communication and produces correlations beyond those achievable by any classical strategy, representing a practical…

quant-ph2026

Metriq: A Collaborative Platform for Benchmarking Quantum Computers

Alessandro Cosentino, Changhao Li, Vincent Russo +6

The fragmented landscape of quantum computer benchmarks, characterized by system-specific tools and inconsistent evaluation methodologies, hinders reliable cross-platform performan…

quant-ph2024★ 7 cited

Parameter Setting Heuristics Make the Quantum Approximate Optimization Algorithm Suitable for the Early Fault-Tolerant Era

Zichang He, Ruslan Shaydulin, Dylan Herman +4

Quantum Approximate Optimization Algorithm (QAOA) is one of the most promising quantum heuristics for combinatorial optimization. While QAOA has been shown to perform well on small…

quant-ph2024

QC-Forest: a Classical-Quantum Algorithm to Provably Speedup Retraining of Random Forest

Romina Yalovetzky, Niraj Kumar, Changhao Li +1

Random Forest (RF) is a popular tree-ensemble method for supervised learning, prized for its ease of use and flexibility. Online RF models require to account for new training data…

quant-ph2024★ 1 cited

Prospects of Privacy Advantage in Quantum Machine Learning

Jamie Heredge, Niraj Kumar, Dylan Herman +5

Ensuring data privacy in machine learning models is critical, particularly in distributed settings where model gradients are typically shared among multiple parties to allow collab…

quant-ph2024★ 1 cited

Quantum counterdiabatic driving enhanced by two-stage local control

Changhao Li, Jiayu Shen, Ruslan Shaydulin +1

Counterdiabatic driving can suppress diabatic losses during adiabatic ground state preparation. As its implementation necessitates the generation of an adiabatic gauge potential, w…

quant-ph2024

Q-CHOP: Quantum constrained Hamiltonian optimization

Michael A. Perlin, Ruslan Shaydulin, Benjamin P. Hall +7

Combinatorial optimization problems that arise in science and industry typically have constraints. Yet the presence of constraints makes them challenging to tackle using both class…

quant-ph2023★ 22 cited

Privacy-preserving quantum federated learning via gradient hiding

Changhao Li, Niraj Kumar, Zhixin Song +2

Distributed quantum computing, particularly distributed quantum machine learning, has gained substantial prominence for its capacity to harness the collective power of distributed…

cs.LG2023★ 8 cited

Training Transformers with 4-bit Integers

Haocheng Xi, Changhao Li, Jianfei Chen +1

Quantizing the activation, weight, and gradient to 4-bit is promising to accelerate neural network training. However, existing 4-bit training methods require custom numerical forma…

quant-ph2023★ 47 cited

Alignment between Initial State and Mixer Improves QAOA Performance for Constrained Optimization

Zichang He, Ruslan Shaydulin, Shouvanik Chakrabarti +4

Quantum alternating operator ansatz (QAOA) has a strong connection to the adiabatic algorithm, which it can approximate with sufficient depth. However, it is unclear to what extent…

cs.CL2023★ 10 cited

Can ChatGPT be used to generate scientific hypotheses?

Yang Jeong Park, Daniel Kaplan, Zhichu Ren +5

We investigate whether large language models can perform the creative hypothesis generation that human researchers regularly do. While the error rate is high, generative AI seems t…