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20212026
most citedSuccinct quantum testers for closeness and -wise uniformity of probability distributions

4 citations · 7 across the 14 of their papers we have counts for

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14 papers

quant-ph2026

Sparse Quantum State Preparation with Sublinear T-Count

Jingquan Luo, Lvzhou Li

We study the fault-tolerant cost of preparing sparse quantum states, measured by -count in the Clifford+ model. Here an -qubit state is called -sparse if it is supporte…

quant-ph2026

Quantum Algorithm for Elliptic Curve Discrete Logarithms with Space-Efficient Point Addition

Han Luo, Ziyi Yang, Jingquan Luo +5

The Elliptic Curve Discrete Logarithm Problem (ECDLP) is a fundamental problem in cryptography, and reducing the resource requirements of quantum algorithms for solving ECDLP is an…

quant-ph2025

Optimal Circuit Size for Fixed-Hamming-Weight Quantum States Preparation

Jingquan Luo, Lvzhou Li

We study the problem of efficiently preparing fixed-Hamming-weight (HW-) quantum states, which are superpositions of -qubit computational basis states with exactly ones.…

quant-ph2025

Deterministic quantum search on all Laplacian integral graphs

Guanzhong Li, Jingquan Luo, Shiguang Feng +1

Searching for an unknown marked vertex on a given graph (also known as spatial search) is an extensively discussed topic in the area of quantum algorithms, with a plethora of resul…

quant-ph2025

Space-time tradeoff for sparse quantum state preparation

Jingquan Luo, Guanzhong Li, Lvzhou Li

In this work, we investigate the trade-off between the circuit depth and the number of ancillary qubits for preparing sparse quantum states. We prove that any -qubit -spare q…

quant-ph2025

Quantum phase discrimination with applications to quantum search on graphs

Guanzhong Li, Lvzhou Li, Jingquan Luo

We study the phase discrimination problem, in which we want to decide whether the eigenphase of a given eigenstate with eigenvalue is zero or not,…

quant-ph2024

Tolerant Quantum Junta Testing

Zhaoyang Chen, Lvzhou Li, Jingquan Luo

Junta testing for Boolean functions has sparked a long line of work over recent decades in theoretical computer science, and recently has also been studied for unitary operators in…

quant-ph2024

Nearly Optimal Circuit Size for Sparse Quantum State Preparation

Lvzhou Li, Jingquan Luo

Quantum state preparation is a fundamental and significant subroutine in quantum computing. In this paper, we conduct a systematic investigation on the circuit size (the total coun…

quant-ph2023★ 4 cited

Succinct quantum testers for closeness and -wise uniformity of probability distributions

Jingquan Luo, Qisheng Wang, Lvzhou Li

We explore potential quantum speedups for the fundamental problem of testing the properties of closeness and -wise uniformity of probability distributions. Closeness testing is…

quant-ph2023

Recovering the original simplicity: succinct and deterministic quantum algorithm for the welded tree problem

Guanzhong Li, Lvzhou Li, Jingquan Luo

This work revisits quantum algorithms for the well-known welded tree problem, proposing a very succinct quantum algorithm based on the simplest coined quantum walks. It simply iter…

quant-ph2023

Reliable optimization of arbitrary functions over quantum measurements

Jing Luo, Jiangwei Shang

As the connection between classical and quantum worlds, quantum measurements play a unique role in the era of quantum information processing. Given an arbitrary function of quantum…

quant-ph2023

Concise and Efficient Quantum Algorithms for Distribution Closeness Testing

Lvzhou Li, Jingquan Luo

We study the impact of quantum computation on the fundamental problem of testing the property of distributions. In particular, we focus on testing whether two unknown classical dis…

quant-ph2022★ 3 cited

Playing Mastermind on quantum computers

Lvzhou Li, Jingquan Luo, Yongzhen Xu

From the 1970s up to now, Mastermind, a classic two-player game, has attracted plenty of attention, not only from the public as a popular game, but also from the academic community…

quant-ph2021

Quantum Speedup and Limitations on Matroid Property Problems

Xiaowei Huang, Jingquan Luo, Lvzhou Li

This paper initiates the study of quantum algorithms for matroid property problems. It is shown that quadratic quantum speedup is possible for the calculation problem of finding th…