Search Results - "Klassen, Joel"

Self-efficacy beliefs of medical students: a critical review by Klassen, Robert M., Klassen, Joel R. L.

“…Introduction Self-efficacy is a theoretically and empirically robust motivation belief that has been shown to play an important role in the learning and…”
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Protein hydrolysate versus standard formula for preterm infants by Ng, Derek Hang Cheong, Klassen, Joel Rl, Embleton, Nicholas D, McGuire, William

“…When human milk is not available for feeding preterm infants, protein hydrolysate, rather than standard cow's milk formulas (with intact proteins), is often…”
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Phase estimation of local Hamiltonians on NISQ hardware by Clinton, Laura, Bausch, Johannes, Klassen, Joel, Cubitt, Toby

“…Abstract In this work we investigate a binned version of quantum phase estimation (QPE) set out by Somma (2019 New J. Phys. 21 123025) and known as the quantum…”
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Identification of non-ischaemic fibrosis in male veteran endurance athletes, mechanisms and association with premature ventricular beats by Farooq, Maryum, Brown, Louise A. E., Fitzpatrick, Andrew, Broadbent, David A., Wahab, Ali, Klassen, Joel R. L., Farley, Jonathan, Saunderson, Christopher E. D., Das, Arka, Craven, Thomas, Dall’Armellina, Erica, Levelt, Eylem, Xue, Hui, Kellman, Peter, Greenwood, John P., Plein, Sven, Swoboda, Peter P.

“…Left ventricular fibrosis can be identified by late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) in some veteran athletes. We aimed to…”
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Quantum State Tomography via Reduced Density Matrices by Xin, Tao, Lu, Dawei, Klassen, Joel, Yu, Nengkun, Ji, Zhengfeng, Chen, Jianxin, Ma, Xian, Long, Guilu, Zeng, Bei, Laflamme, Raymond

“…Quantum state tomography via local measurements is an efficient tool for characterizing quantum states. However, it requires that the original global state be…”
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Two-local qubit Hamiltonians: when are they stoquastic? by Klassen, Joel, Terhal, Barbara M.

“…We examine the problem of determining if a 2-local Hamiltonian is stoquastic by local basis changes. We analyze this problem for two-qubit Hamiltonians,…”
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Towards near-term quantum simulation of materials by Clinton, Laura, Cubitt, Toby, Flynn, Brian, Gambetta, Filippo Maria, Klassen, Joel, Montanaro, Ashley, Piddock, Stephen, Santos, Raul A., Sheridan, Evan

“…Determining the ground and excited state properties of materials is considered one of the most promising applications of quantum computers. On near-term…”
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Early prediction of left ventricular function improvement in patients with new-onset heart failure and presumed non-ischaemic aetiology by Goh, Ze Ming, Javed, Wasim, Shabi, Mubien, Klassen, Joel R L, Saunderson, Christopher E D, Farley, Jonathan, Spurr, Melanie, Dall’Armellina, Erica, Levelt, Eylem, Greenwood, John, Halliday, Brian, Plein, Sven, Swoboda, Peter

“…ObjectivesTo determine baseline characteristics predictive of left ventricular ejection fraction (LVEF) recovery in patients diagnosed with heart failure with…”
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Pulmonary transit time is a predictor of outcomes in heart failure: a cardiovascular magnetic resonance first-pass perfusion study by Farley, Jonathan, Brown, Louise Ae, Garg, Pankaj, Wahab, Ali, Klassen, Joel Rl, Jex, Nicholas, Thirunavukarasu, Sharmaine, Chowdhary, Amrit, Sharrack, Noor, Gorecka, Miroslawa, Xue, Hui, Artis, Nigel, Levelt, Eylem, Dall'Armellina, Erica, Kellman, Peter, Greenwood, John P, Plein, Sven, Swoboda, Peter P

“…Pulmonary transit time (PTT) can be measured automatically from arterial input function (AIF) images of dual sequence first-pass perfusion imaging. PTT has…”
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Cardiac magnetic resonance left ventricular filling pressure is linked to symptoms, signs and prognosis in heart failure by Grafton-Clarke, Ciaran, Garg, Pankaj, Swift, Andrew J, Alabed, Samer, Thomson, Ross, Aung, Nay, Chambers, Bradley, Klassen, Joel, Levelt, Eylem, Farley, Jonathan, Greenwood, John P, Plein, Sven, Swoboda, Peter P

“…Left ventricular filling pressure (LVFP) can be estimated from cardiovascular magnetic resonance (CMR). We aimed to investigate whether CMR-derived LVFP is…”
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Protein hydrolysate versus standard formula for preterm infants by Ng, Derek Hang Cheong, Klassen, Joel, Embleton, Nicholas D, McGuire, William

“…When human milk is not available for feeding preterm infants, protein hydrolysate rather than standard cow's milk formulas (with intact proteins) are often…”
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Chest pain mimicking pulmonary embolism may be a common presentation of COVID‐19 in ambulant patients without other typical features of infection by Harrison, S. R., Klassen, J. R. L., Bridgewood, C., Scarsbrook, A., Marzo‐Ortega, H., McGonagle, D.

“…Background Radiological and pathological studies in severe COVID‐19 pneumonia (SARS‐CoV‐2) have demonstrated extensive pulmonary immunovascular thrombosis and…”
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Optimizing fermionic encodings for both Hamiltonian and hardware by Chien, Riley W, Klassen, Joel

“…In this work we present a method for generating a fermionic encoding tailored to a set of target fermionic operators and to a target hardware connectivity. Our…”
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A Compact Fermion to Qubit Mapping Part 2: Alternative Lattice Geometries by Derby, Charles, Klassen, Joel

“…In recent work [arXiv:2003.06939v2] a novel fermion to qubit mapping -- called the compact encoding -- was introduced which outperforms all previous local…”
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A Compact Fermion to Qubit Mapping by Derby, Charles, Klassen, Joel

“…Phys. Rev. B 104, 035118 (2021) Mappings between fermions and qubits are valuable constructions in physics. To date only a handful exist. In addition to…”
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Two-local qubit Hamiltonians: when are they stoquastic? by Klassen, Joel, Terhal, Barbara M

“…Quantum 3, 139 (2019) We examine the problem of determining if a 2-local Hamiltonian is stoquastic by local basis changes. We analyze this problem for…”
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Phase Estimation of Local Hamiltonians on NISQ Hardware by Clinton, Laura, Bausch, Johannes, Klassen, Joel, Cubitt, Toby

“…In this work we investigate a binned version of Quantum Phase Estimation (QPE) set out by [Somma 2019] and known as the Quantum Eigenvalue Estimation Problem…”
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Towards near-term quantum simulation of materials by Clinton, Laura, Cubitt, Toby, Flynn, Brian, Gambetta, Filippo Maria, Klassen, Joel, Montanaro, Ashley, Piddock, Stephen, Santos, Raul A, Sheridan, Evan

“…Nature Communications 15, 211 (2024) Simulation of materials is one of the most promising applications of quantum computers. On near-term hardware the crucial…”
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Mitigating Errors in Local Fermionic Encodings by Bausch, Johannes, Cubitt, Toby, Derby, Charles, Klassen, Joel

“…Quantum simulations of fermionic many-body systems crucially rely on mappings from indistinguishable fermions to distinguishable qubits. The non-local…”
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Termwise versus globally stoquastic local Hamiltonians: questions of complexity and sign-curing by Ioannou, Marios, Piddock, Stephen, Marvian, Milad, Klassen, Joel, Terhal, Barbara M

“…We elucidate the distinction between global and termwise stoquasticity for local Hamiltonians and prove several complexity results. We show that the stoquastic…”
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