Articles with "quantum algorithm" as a keyword



Efficient Quantum Algorithm for Similarity Measures for Molecules

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Published in 2018 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-018-3805-4

Abstract: The similarity measures for molecules play an important role for research in chemistry, biology and drug design. In order to obtain similarity measures for giant molecules such as muscle protein titin, the existing classical algorithms… read more here.

Keywords: efficient quantum; algorithm; quantum algorithm; measures molecules ... See more keywords

Quantum algorithm for protein-ligand docking sites identification in the interaction space

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Published in 2025 at "Journal of Computer-Aided Molecular Design"

DOI: 10.1007/s10822-025-00620-5

Abstract: Over the past two decades, the development of novel drugs evolved into a high-demanding computational field. There is a constant and increasing need for advanced methods for determining protein-ligand binding in the drug design process.… read more here.

Keywords: quantum algorithm; protein ligand; docking sites; quantum ... See more keywords
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Quantum QR decomposition in the computational basis

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Published in 2020 at "Quantum Information Processing"

DOI: 10.1007/s11128-020-02777-4

Abstract: In this paper, we propose a quantum algorithm for approximating the QR decomposition of any $$N\times N$$ N × N matrix with a running time $$O(\frac{1}{\epsilon ^2}$$ O ( 1 ϵ 2 $$N^{2.5}\text {polylog}(N))$$ N… read more here.

Keywords: quantum; polylog; quantum algorithm; time ... See more keywords

An exact quantum algorithm for testing 3-junta in Boolean functions with one uncomplemented product

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Published in 2021 at "Quantum Information Processing"

DOI: 10.1007/s11128-020-02953-6

Abstract: This paper modifies Chen’s algorithm, which is the first exact quantum algorithm for testing 2-junta, and proposes an exact quantum learning algorithm for finding dependent variables of the Boolean function $$ f: \left\{ {0, 1}… read more here.

Keywords: exact quantum; uncomplemented product; quantum algorithm; one uncomplemented ... See more keywords
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Variational quantum algorithm with information sharing

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Published in 2021 at "npj Quantum Information"

DOI: 10.1038/s41534-021-00452-9

Abstract: We introduce an optimisation method for variational quantum algorithms and experimentally demonstrate a 100-fold improvement in efficiency compared to naive implementations. The effectiveness of our approach is shown by obtaining multi-dimensional energy surfaces for small… read more here.

Keywords: algorithm information; quantum; information; quantum algorithm ... See more keywords

Spectral quantum algorithm for passive scalar transport in shear flows

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-27219-y

Abstract: The mixing of scalar substances in fluid flows by stirring and diffusion is ubiquitous in natural flows, chemical engineering, and microfluidic drug delivery. Here, we present a spectral quantum algorithm for scalar mixing by solving… read more here.

Keywords: quantum algorithm; advection diffusion; spectral quantum; algorithm passive ... See more keywords

Quantum algorithm for unstructured search of ranked targets

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Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ade377

Abstract: Grover’s quantum algorithm can find a marked item from an unstructured database faster than any classical algorithm, and hence it has been used for several applications such as cryptanalysis and optimization. When there exist multiple… read more here.

Keywords: oracle; oracle operator; quantum algorithm; grover ... See more keywords

Variational quantum algorithm for entanglement quantification

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Published in 2025 at "Physical Review A"

DOI: 10.1103/839s-4qqv

Abstract: Quantum entanglement is a foundational resource in quantum information science, underpinning applications across physics. However, detecting and quantifying entanglement remains a significant challenge. In this article, we introduce a variational quantum algorithm inspired by Uhlmann's… read more here.

Keywords: quantum algorithm; variational quantum; algorithm entanglement; entanglement quantification ... See more keywords

Quantum algorithm for spectral projection by measuring an ancilla iteratively

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Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.101.032339

Abstract: We propose a quantum algorithm for projecting to eigenstates of any hermitian operator, provided one can access the associated control-unitary evolution and measurement of the ancilla of the control. The procedure is iterative and the… read more here.

Keywords: projection measuring; quantum algorithm; spectral projection; algorithm spectral ... See more keywords

Variational quantum algorithm based on the minimum potential energy for solving the Poisson equation

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Published in 2021 at "Physical Review A"

DOI: 10.1103/physreva.104.052409

Abstract: Computer-aided engineering techniques are indispensable in modern engineering developments. In particular, partial differential equations are commonly used to simulate the dynamics of physical phenomena, but very large systems are often intractable within a reasonable computation… read more here.

Keywords: poisson equation; solving poisson; quantum algorithm; quantum ... See more keywords

Quantum algorithm for support matrix machines

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Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.032301

Abstract: We propose a quantum algorithm for support matrix machines (SMMs) that efficiently addresses an image classification problem by introducing a least-squares reformulation. This algorithm consists of two core subroutines: a quantum matrix inversion (Harrow-Hassidim-Lloyd, HHL)… read more here.

Keywords: algorithm support; support matrix; quantum algorithm; matrix machines ... See more keywords