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Edge States, Bulk Spectra, and Topological Phases of Szegedy’s Quantum Search on a One-Dimensional Cycle with Self-Loops [PDF]

open access: yesEntropy
Topological transitions are relevant for boundary conditions. Therefore, we investigate the bulk spectra, edge states, and topological phases of Szegedy’s quantum search on a one-dimensional (1D) cycle with self-loops, where the search operator can be ...
Mengke Xu   +4 more
doaj   +2 more sources

Electric-Circuit Realization of Fast Quantum Search [PDF]

open access: yesResearch, 2021
Quantum search algorithm, which can search an unsorted database quadratically faster than any known classical algorithms, has become one of the most impressive showcases of quantum computation. It has been implemented using various quantum schemes. Here,
Naiqiao Pan   +3 more
doaj   +2 more sources

Quantum Embedding Search for Quantum Machine Learning

open access: yesIEEE Access, 2022
This paper introduces an automated search algorithm (QES, pronounced as “quest”), which derives optimal design of entangling layout for supervised quantum machine learning.
Nam Nguyen, Kwang-Cheng Chen
doaj   +3 more sources

SPA-QNAS: Improving Search Efficiency and Stability in Evolutionary Quantum Neural Architecture Search [PDF]

open access: yesEntropy
Quantum neural architecture search (QNAS) has emerged as a promising approach for automatically designing parameterized quantum circuits (PQCs) for near-term quantum machine learning tasks. However, quantum evolutionary algorithm (QEA)-based QNAS methods
Linwei Shang   +4 more
doaj   +2 more sources

Quantum global minimum finder based on variational quantum search [PDF]

open access: yesScientific Reports
The search for global minima is a critical challenge across multiple fields including engineering, finance, and artificial intelligence, particularly with non-convex functions that feature multiple local optima, complicating optimization efforts.
Mohammadreza Soltaninia, Junpeng Zhan
doaj   +2 more sources

Hierarchical Quantum Architecture Search for Variational Quantum Algorithms

open access: yesIEEE Transactions on Quantum Engineering
Designing efficient variational quantum algorithms (VQAs) is crucial for transforming the theoretical advantages of quantum algorithms into practical applications.
Tong Zhao   +3 more
doaj   +3 more sources

A Machine Learning Study of High Robustness Quantum Walk Search Algorithm with Qudit Householder Coins

open access: yesAlgorithms, 2023
In this work, the quantum random walk search algorithm with a walk coin constructed by generalized Householder reflection and phase multiplier has been studied. The coin register is one qudit with an arbitrary dimension.
Hristo Tonchev, Petar Danev
doaj   +1 more source

Entanglement in Quantum Search Database: Periodicity Variations and Counting

open access: yesQuantum Reports, 2022
Employing the single item search algorithm of N dimensional database it is shown that: First, the entanglement developed between two any-size parts of database space varies periodically during the course of searching.
Demosthenes Ellinas   +1 more
doaj   +1 more source

Quantum algorithm for solving the test suite minimization problem

open access: yesCogent Engineering, 2021
Test-suite minimization problem is an essential problem in software engineering as its application helps to improve the software quality. This paper proposes a quantum algorithm to solve the test-suite minimization problem with high probability in $$O ...
Hager Hussein   +2 more
doaj   +1 more source

Quantum search for a given substring in the text using a hashing technique

open access: yesУчёные записки Казанского университета: Серия Физико-математические науки, 2020
The problem of searching for a given substring in the text was considered. It is known that classical algorithms solve this problem in a linear time depending on the length of the text and the specified template. Quantum algorithms speed up the search by
N.M. Salikhova
doaj   +1 more source

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