Results 41 to 50 of about 366,366 (282)

Operational Algorithms for Separable Qubit X States

open access: yesCondensed Matter, 2019
This work motivates and applies operational methodology to simulation of quantum statistics of separable qubit X states. Three operational algorithms for evaluating separability probability distributions are put forward.
Demosthenes Ellinas
doaj   +1 more source

A Hybrid Quantum Encoding Algorithm of Vector Quantization for Image Compression

open access: yes, 2006
Many classical encoding algorithms of Vector Quantization (VQ) of image compression that can obtain global optimal solution have computational complexity O(N).
Grover L K   +11 more
core   +1 more source

Quantum image classification using principal component analysis

open access: yes, 2015
We present a novel quantum algorithm for classification of images. The algorithm is constructed using principal component analysis and von Neuman quantum measurements.
Gawron, Piotr   +2 more
core   +1 more source

Shor's quantum factoring algorithm on a photonic chip [PDF]

open access: yes, 2009
Shor's quantum factoring algorithm finds the prime factors of a large number exponentially faster than any other known method a task that lies at the heart of modern information security, particularly on the internet.
A. Politi   +6 more
core   +1 more source

Synthesis of discrete–continuous quantum circuits with multimodal diffusion models

open access: yesMachine Learning: Science and Technology
Efficiently compiling quantum operations remains a major bottleneck in scaling quantum computing. Today’s state-of-the-art methods achieve low compilation error by combining search algorithms with gradient-based parameter optimization, but they incur ...
Florian Fürrutter   +4 more
doaj   +1 more source

Quantum Phase Estimation Algorithm for Finding Polynomial Roots

open access: yesOpen Physics, 2019
Quantum algorithm is an algorithm for solving mathematical problems using quantum systems encoded as information, which is found to outperform classical algorithms in some specific cases.
Tansuwannont Theerapat   +3 more
doaj   +1 more source

Applied Quantum Soft Computing IT: SW & HW Sustainable Platform of Robust Intelligent Robotic Controllers

open access: yesСовременные информационные технологии и IT-образование, 2023
The information technology of a robust intelligent control system design based on quantum fuzzy inference is considered. The application of the developed design methodology is based on the quantum self-organization of imperfect knowledge bases of fuzzy ...
Ulyanov, S.V.   +2 more
doaj   +1 more source

Direct Characterization of Quantum Dynamics

open access: yes, 2007
The characterization of quantum dynamics is a fundamental and central task in quantum mechanics. This task is typically addressed by quantum process tomography (QPT).
D. A. Lidar, M. Mohseni, M. A. Nielsen
core   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Finding Key Nodes in Complex Networks Through Quantum Deep Reinforcement Learning

open access: yesEntropy
Identifying key nodes in networks is a fundamental problem in network science. This study proposes a quantum deep reinforcement learning (QDRL) framework that integrates reinforcement learning with a variational quantum graph neural network, effectively ...
Juechan Xiong   +2 more
doaj   +1 more source

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