1 citations · 2 across the 10 of their papers we have counts for
11 papers
A quantum algorithm for meshless lattice Boltzmann method with unitary interpolation
Chi Zhang, Hefeng Wang, Hua Xiang
We present a mass-weighted meshless formulation for the shifted incompressible lattice Boltzmann method (LBM) whose streaming step is exactly unitary, combining with the Carleman e…
Saving resources through repeat-until-success positive-operator-valued-measure measurements in quantum computation
Hefeng Wang, Sixia Yu, Hua Xiang
We present a quantum computation approach in which computation is guided by positive-operator-valuedmeasure (POVM) measurements following a given computation path in multisteps. In…
Quantum algorithm for PageRank computation through multistep quantum resonant transitions
Chuqing Wang, Hefeng Wang, Hua Xiang
We present a quantum algorithm for obtaining a quantum state that encodes the PageRank vector of the Google matrix through multistep quantum resonant transition (mQRT). In the algo…
A Practical Semi-Quantum Signature Protocol with Improved Eavesdropping Detection
Zengyu Pang, Hua Xiang
Semi-quantum signature (SQS) schemes aim to enable quantum signature functionality in scenarios where only a subset of participants possess full quantum capabilities, thereby impro…
Generalized quantum singular value transformation with application in quantum conjugate gradient least squares algorithm
Yu-Qiu Liu, Hefeng Wang, Hua Xiang
Quantum signal processing (QSP) and generalized quantum signal processing (GQSP) are essential tools for implementing the block encoding of matrix functions. The achievable polynom…
Quantum optimization algorithm based on multistep quantum computation
Hefeng Wang, Hua Xiang
We present a quantum algorithm for finding the minimum of a function based on multistep quantum computation and apply it for optimization problems with continuous variables, in whi…
Quantum radial basis function method for the Poisson equation
Lingxia Cui, Zongming Wu, Hua Xiang
The radial basis function (RBF) method is used for the numerical solution of the Poisson problem in high dimension. The approximate solution can be found by solving a large system…
Efficient quantum algorithms for solving quantum linear system problems
Hefeng Wang, Hua Xiang
We transform the problem of solving linear system of equations to a problem of finding the right singular vector with singular value zero of an augmented m…
Quantum-inspired algorithm for truncated total least squares solution
Qian Zuo, Yimin Wei, Hua Xiang
Total least squares (TLS) methods have been widely used in data fitting. Compared with the least squares method, for TLS problem we takes into account not only the observation erro…
Quantum Algorithm for Matrix Logarithm by Integral Formula
Songling Zhang, Hua Xiang
The matrix logarithm is one of the important matrix functions. Recently, a quantum algorithm that computes the state corresponding to matrix-vector product is p…
Efficient quantum algorithm for solving structured problems via multi-step quantum computation
Hefeng Wang, Sixia Yu, Hua Xiang
In classical computation, a problem can be solved in multiple steps where calculated results of each step can be copied and used repeatedly. While in quantum computation, it is dif…