Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 53 for “"Intermediate-Scale"”.
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Quantum algorithmic improvements for noisy intermediate scale quantum computers
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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TOWARDS QUANTUM ADVANTAGE AND CERTIFICATION WITH NOISY INTERMEDIATE-SCALE QUANTUM DEVICES
… on the practical applications of the noisy intermediate-scale quantum devices. Despite the hope rendered by the experimental demonstration of “quantum supremacy”, the essential question regarding how to translate such breakthroughs into quantum advantages for practical use-cases remains …
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Polarization VLBI monitoring of BL lacertae - kinematics, faraday effects and intermediate scale structure
… the only means to study radio sources on scales 1 mas, and the sensitivity to polarization allows the magnetic field structures in the source to be investigated, while also providing information about the environment of the source through the phenomenon of Faraday rotation. An attempt is …
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Effects of an intermediate-scale wind event on forest composition, structure, and structural complexity
… and return interval and range from frequent, gap-scale disturbances, to infrequent stand-replacing events. Disturbances at the gap and intermediate scale increase structural complexity and intra-stand heterogeneity. On 20 April 2011 in Lawrence County, AL, an EF1 tornado tracked 5 km, leaving a …
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The effects of intermediate-scale wind disturbance on forest composition, structure, and succession with implications for management
… composition, structure, and stand development. Intermediate-scale disturbances may promote stand heterogeneity, including uneven-aged structure, and their effects can range in size and distribution from small, patchy gaps to the removal of large portions of overstory vegetation. These events are …
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Optimizing Quantum Circuit Layout using Quantum Annealing
… to become entangled. However, the current Noisy Intermediate-Scale Quantum Computing era is constrained by the limited number of available qubits and their high sensitivity to environmental noise. In this thesis, we consider a quantum circuit-based model, recognized for its universality in …
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Predicting Compression Failure of Fiber-reinforced Polymer Laminates during Fire
… stress with the compressive strength. Intermediate-scale one-sided heating tests were performed on compressively loaded FRP laminates. The tests were designed to investigate the effect of varying the applied stress, applied heat, and laminate dimensions on the structural response. Three …
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Numerical Synthesis of Arbitrary Multi-Qubit Unitaries with low 𝑇-Count
… produces efficient circuits for NISQ (Noisy Intermediate-Scale Quantum) computing by minimizing the num- ber of two-qubit gates. The requirements for fault tolerant quantum computing are significantly different in that some single qubit gates require magic state distillation and gate …
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Development of fire retardant timber treatments
… have been investigated on a micro-, bench- and intermediate-scale, and evaluated for physical properties. Thermal decomposition has been studied using thermogravimetric analysis in both air and nitrogen, and simultaneous thermal analysis coupled with Fourier transform infrared spectroscopy. …
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The complexity of sampling from a weak quantum computer
… in quantum technology. Over the next few years, intermediate-scale quantum computers with ~ 50-100 qubits are expected to become practical. These computers are too small to do error correction and they may not even capture the full power of a universal quantum computer.
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Designing Adaptive Ansätze in Quantum Simulation and Geometric Entangling Gates
… as they can be implemented on the current noisy intermediate-scale quantum devices. On the hardware side, researchers are striving for faster and more noise-robustness quantum operations to achieve higher quantum processing power. The dissertation presents two topics in the above-mentioned …
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Combinatorial optimization using quantum computing
… in both solution quality and runtime. On Noisy Intermediate-Scale Quantum (NISQ) devices, the optimality gap grows with problem size, reflecting sensitivity to variational parameter tuning, penalty scaling, and hardware noise. Among classical optimizers for QAOA, COBYLA offers the most effective …
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Controlling Quantum Systems for Computation and Communication
… control and strategy under the current noisy intermediate-scale quantum era. Developing robust and efficient approaches to manipulating quantum systems based on constrained and limited resources is imperative. This dissertation focuses on two major topics theoretically. In the first part, this …
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Flow and reactive transport modeling at the stream-groundwater interface
… in fluvial streambed structures on the intermediate scale (10–30m). For this purpose, a three-dimensional numerical modeling approach for coupling stream water flow with porous media flow is used. Multiple steady state stream water flow scenarios over different generic pool-riffle …
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Compression Failure of Aluminum Plates Exposed to Constant Heat Flux
Aluminum is used as a structural member in marine applications because of its low weight. One challenge is to design against failure of aluminum structures in fire. A parametric study was performed to quantify the effects of parameters on the compression failure of aluminum plates during a fire. A …
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QAOA applied to the portfolio optimization problem
… simulating. This current stage is considered intermediate and is therefore called the NISQ era (noisy intermediate-scale quantum). The main feature of this current stage is that there are still not enough qubits to perform quantum error correction, hence the noisy name. In this context of …
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Neutrinos as Windows Into Physics Beyond the Standard Model
… proton decay rate. Third, we consider Planck scale induced proton decay operators. We discuss to what extent the choice of unified gauge group can suppress these operators, and show that they can be sufficiently suppressed in E6, or trinified models. However, this implies an intermediate …
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EFFICIENT APPROACHES FOR QUBIT MAPPING ON NISQ COMPUTERS
… proposed algorithms on the IBM-provided Noisy Intermediate-Scale Quantum (NISQ) computer, using a dataset consisting of 17 different quantum circuits of various sizes. The circuits are executed on the IBM Toronto Falcon processor. The three proposed algorithms outperform the existing SABRE …
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