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检索条件"主题词=circuit-model quantum computing"

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Combining Hard and Soft Constraints in quantum Constraint-Satisfaction Systems

Combining Hard and Soft Constraints in Quantum Constraint-Sa...

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International Conference for High Performance computing, Networking, Storage and Analysis (HPC)

作者： Wilson, Ellis Mueller, Frank Pakin, Scott North Carolina State Univ Raleigh NC 27695 USA Los Alamos Natl Lab Los Alamos NM 87545 USA

ISBN: (纸本)9781665454445

This work presents a generalization of NchooseK, a constraint satisfaction system designed to target both quantum circuit devices and quantum annealing devices. Previously, NchooseK supported only hard constraints, which made it suitable for expressing problems in NP (e.g., 3-SAT) but not NP-hard problems (e.g., minimum vertex cover). In this paper we show how support for soft constraints can be added to the model and implementation, broadening the classes of problems that can be expressed elegantly in NchooseK without sacrificing portability across different quantum devices. Through a set of examples, we argue that this enhanced version of NchooseK enables problems to be expressed in a more concise, less error-prone manner than if these problems were encoded manually for quantum execution. We include an empirical evaluation of performance, scalability, and fidelity on both a large IBM Q system and a large D-Wave system.

关键词： circuit-model quantum computing quantum annealing programming models

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Mapping Constraint Problems onto quantum Gate and Annealing Devices 2

Mapping Constraint Problems onto Quantum Gate and Annealing ...

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2nd International Workshop on quantum computing Software (QCS)

作者： Wilson, Ellis Mueller, Frank Pakin, Scott North Carolina State Univ Dept Comp Sci Raleigh NC 27695 USA Los Alamos Natl Lab Comp Computat & Stat Sci Div Los Alamos NM 87545 USA

ISBN: (纸本)9781728186740

This work presents NchooseK, a unified programming model for constraint satisfaction problems that can be mapped to both quantum circuit and annealing devices through Quadratic Unconstrained Binary Operators (QUBOs). Our mapping provides an approachable and effective way to program both types of quantum computers. We provide examples of NchooseK being used.

关键词： circuit-model quantum computing quantum annealing programming models

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Synthesis of Approximate Parametric circuits for Variational quantum Algorithms 5

Synthesis of Approximate Parametric Circuits for Variational...

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2024 International Conference on quantum computing and Engineering

作者： Burgstahler, Blake Wilson, Ellis Pakin, Scott Mueller, Frank North Carolina State Univ Raleigh NC 27695 USA Los Alamos Natl Lab Los Alamos NM USA

ISBN: (纸本)9798331541378

This work presents a novel approach to synthesize approximate circuits for the ansatze of variational quantum algorithms (VQA) and demonstrates its effectiveness in the context of solving integer linear programming (ILP) problems. Synthesis is generalized to produce parametric circuits in close approximation of the original circuit and to do so offline. This removes synthesis from the (online) critical path between repeated quantum circuit executions of VQA. We hypothesize that this approach will yield novel high fidelity results beyond those discovered by the baseline without synthesis. Simulation and real device experiments complement the baseline in finding correct results in many cases where the baseline fails to find any and do so with on average 32% fewer CNOTs in circuits.

关键词： circuit synthesis circuit-model quantum computing programming models QAOA VQA

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Combining hard and soft constraints in quantum constraint-satisfaction systems 22

Combining hard and soft constraints in quantum constraint-sa...

引用

Proceedings of the International Conference on High Performance computing, Networking, Storage and Analysis

作者： Ellis Wilson Frank Mueller Scott Pakin North Carolina State University Los Alamos National Laboratory

This work presents a generalization of NchooseK, a constraint satisfaction system designed to target both quantum circuit devices and quantum annealing devices. Previously, NchooseK supported only hard constraints, which made it suitable for expressing problems in NP (e.g., 3-SAT) but not NP-hard problems (e.g., minimum vertex cover). In this paper we show how support for soft constraints can be added to the model and implementation, broadening the classes of problems that can be expressed elegantly in NchooseK without sacrificing portability across different quantum *** a set of examples, we argue that this enhanced version of NchooseK enables problems to be expressed in a more concise, less error-prone manner than if these problems were encoded manually for quantum execution. We include an empirical evaluation of performance, scalability, and fidelity on both a large IBM Q system and a large D-Wave system.

关键词： programming models quantum annealing circuit-model quantum computing

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