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PyAutoGalaxy: Open-Source Multiwavelength Galaxy Structure & Morphology (2023)
Journal Article
Nightingale, J. W., Amvrosiadis, A., Hayes, R. G., He, Q., Etherington, A., Cao, X., …Robertson, A. (2023). PyAutoGalaxy: Open-Source Multiwavelength Galaxy Structure & Morphology. The Journal of Open Source Software, 8(81), Article 4475. https://doi.org/10.21105/joss.04475

Nearly a century ago, Edwin Hubble famously classified galaxies into three distinct groups: ellipticals, spirals and irregulars (Hubble, 1926). Today, by analysing millions of galaxies with advanced image processing techniques Astronomers have expand... Read More about PyAutoGalaxy: Open-Source Multiwavelength Galaxy Structure & Morphology.

The secrets to successful entrepreneurship: How occupational experience shapes the creation and performance of start-ups (2022)
Journal Article
Wu, Y., Maas, G., Zhang, Y., Chen, F., Xia, S., Fernandes, K., & Tian, K. (2023). The secrets to successful entrepreneurship: How occupational experience shapes the creation and performance of start-ups. International Journal of Entrepreneurial Behavior & Research, 29(2), 354-384. https://doi.org/10.1108/ijebr-09-2021-0748

Purpose Previous experience is a critical factor affecting entrepreneurial activities; however, it has not been fully studied in the existing literature. This study attempts to comprehensively reveal the routes and mechanisms of occupational experien... Read More about The secrets to successful entrepreneurship: How occupational experience shapes the creation and performance of start-ups.

MedNeRF: Medical Neural Radiance Fields for Reconstructing 3D-aware CT-Projections from a Single X-ray (2022)
Conference Proceeding
Corona-Figueroa, A., Frawley, J., Bond-Taylor, S., Bethapudi, S., Shum, H. P., & Willcocks, C. G. (2022). MedNeRF: Medical Neural Radiance Fields for Reconstructing 3D-aware CT-Projections from a Single X-ray. . https://doi.org/10.1109/embc48229.2022.9871757

Computed tomography (CT) is an effective med-ical imaging modality, widely used in the field of clinical medicine for the diagnosis of various pathologies. Advances in Multidetector CT imaging technology have enabled additional functionalities, inclu... Read More about MedNeRF: Medical Neural Radiance Fields for Reconstructing 3D-aware CT-Projections from a Single X-ray.

Bayesian Emulation and History Matching of JUNE (2022)
Journal Article
Vernon, I., Owen, J., Aylett-Bullock, J., Cuestra-Lazaro, C., Frawley, J., Quera-Bofarull, A., …Krauss, F. (2022). Bayesian Emulation and History Matching of JUNE. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 380(2233), Article 20220039. https://doi.org/10.1098/rsta.2022.0039

We analyse JUNE: a detailed model of Covid-19 transmission with high spatial and demographic resolution, developed as part of the RAMP initiative. JUNE requires substantial computational resources to evaluate, making model calibration and general unc... Read More about Bayesian Emulation and History Matching of JUNE.

A model for managing returns in a circular economy context: A case study from the Indian electronics industry (2022)
Journal Article
Choudhary, D., Qaiser, F. H., Choudhary, A., & Fernandes, K. (2022). A model for managing returns in a circular economy context: A case study from the Indian electronics industry. International Journal of Production Economics, 249, Article 108505. https://doi.org/10.1016/j.ijpe.2022.108505

The notion of a circular economy (CE) has recently gained significant attention, both in research and practice, due to increasing sustainability concerns and legislative requirements. Despite extensive research having been undertaken in this area, th... Read More about A model for managing returns in a circular economy context: A case study from the Indian electronics industry.

How to overcome path dependency through resource reconfiguration (2022)
Journal Article
Goumagias, N., Fernandes, K. J., Nucciarelli, A., & Li, F. (2022). How to overcome path dependency through resource reconfiguration. Journal of Business Research, 145, 78-91. https://doi.org/10.1016/j.jbusres.2022.02.040

Firms reconfigure their resources when responding to changes in their external or internal environment, often by incorporating new knowledge and resources in collaboration with external stakeholders. However, the reconfiguration process is challengin... Read More about How to overcome path dependency through resource reconfiguration.

Robust 3D U-Net Segmentation of Macular Holes (2021)
Conference Proceeding
Frawley, J., Willcocks, C. G., Habib, M., Geenen, C., Steel, D. H., & Obara, B. (2021). Robust 3D U-Net Segmentation of Macular Holes. In A. Pakrashi, E. Rushe, M. H. Z. Bazargani, & B. Mac Namee (Eds.),

Macular holes are a common eye condition which result in visual impairment. We look at the application of deep convolutional neural networks to the problem of macular hole segmentation. We use the 3D U-Net architecture as a basis and experiment with... Read More about Robust 3D U-Net Segmentation of Macular Holes.

Impact of Inner Heliospheric Boundary Conditions on Solar Wind Predictions at Earth (2020)
Journal Article
Gonzi, S., Weinzierl, M., Bocquet, F., Bisi, M., Odstrcil, D., Jackson, B., …Nikolos Arge, C. (2021). Impact of Inner Heliospheric Boundary Conditions on Solar Wind Predictions at Earth. Space Weather, 19(1), https://doi.org/10.1029/2020sw002499

Predictions of the physical parameters of the solar wind at Earth are at the core of operational space weather forecasts. Such predictions typically use line-of-sight observations of the photospheric magnetic field to drive a heliospheric model. The... Read More about Impact of Inner Heliospheric Boundary Conditions on Solar Wind Predictions at Earth.

Securing the future of research computing in the biosciences (2019)
Journal Article
Leng, J., Shoura, M., McLeish, T., Real, A., Hardey, M., McCafferty, J., …Harris, S. (2019). Securing the future of research computing in the biosciences. PLoS Computational Biology, 15(5), Article e1006958. https://doi.org/10.1371/journal.pcbi.1006958

Improvements in technology often drive scientific discovery. Therefore, research requires sustained investment in the latest equipment and training for the researchers who are going to use it. Prioritising and administering infrastructure investment... Read More about Securing the future of research computing in the biosciences.

Quasi-matrix-free hybrid multigrid on dynamically adaptive Cartesian grids (2018)
Journal Article
Weinzierl, M., & Weinzierl, T. (2018). Quasi-matrix-free hybrid multigrid on dynamically adaptive Cartesian grids. ACM Transactions on Mathematical Software, 44(3), Article 32. https://doi.org/10.1145/3165280

We present a family of spacetree-based multigrid realizations using the tree’s multiscale nature to derive coarse grids. They align with matrix-free geometric multigrid solvers as they never assemble the system matrices, which is cumbersome for dynam... Read More about Quasi-matrix-free hybrid multigrid on dynamically adaptive Cartesian grids.

Impact of Non-potential Coronal Boundary Conditions on Solar Wind Prediction (2017)
Report
Weinzierl, M., Bocquet, F., & Yeates, A. R. (2017). Impact of Non-potential Coronal Boundary Conditions on Solar Wind Prediction. [No known commissioning body]

Predictions of the solar wind at Earth are a central aspect of space weather prediction. The outcome of such a prediction, however, is highly sensitive to the method used for computing the magnetic field in the corona. We analyze the impact of replac... Read More about Impact of Non-potential Coronal Boundary Conditions on Solar Wind Prediction.

The Possible Impact of L5 Magnetograms on Non-Potential Solar Coronal Magnetic Field Simulations (2016)
Journal Article
Weinzierl, M., Mackay, D. H., Yeates, A. R., & Pevtsov, A. A. (2016). The Possible Impact of L5 Magnetograms on Non-Potential Solar Coronal Magnetic Field Simulations. Astrophysical Journal, 828(2), Article 102. https://doi.org/10.3847/0004-637x/828/2/102

The proposed Carrington-L5 mission would bring instruments to the L5 Lagrange point to provide us with crucial data for space weather prediction. To assess the importance of including a magnetograph, we consider the possible differences in non-potent... Read More about The Possible Impact of L5 Magnetograms on Non-Potential Solar Coronal Magnetic Field Simulations.

A New Technique for the Photospheric Driving of Non-Potential Solar Coronal Magnetic Field Simulations (2016)
Journal Article
Weinzierl, M., Yeates, A. R., Mackay, D. H., Henney, C. J., & Arge, C. N. (2016). A New Technique for the Photospheric Driving of Non-Potential Solar Coronal Magnetic Field Simulations. Astrophysical Journal, 823(1), Article 55. https://doi.org/10.3847/0004-637x/823/1/55

In this paper, we develop a new technique for driving global non-potential simulations of the Sun's coronal magnetic field solely from sequences of radial magnetic maps of the solar photosphere. A primary challenge to driving such global simulations... Read More about A New Technique for the Photospheric Driving of Non-Potential Solar Coronal Magnetic Field Simulations.

Hybrid Geometric-Algebraic Matrix-Free Multigrid on Spacetrees (2013)
Thesis
Weinzierl, M. (2013). Hybrid Geometric-Algebraic Matrix-Free Multigrid on Spacetrees. (Thesis). Technische Universität München Technische Universität München. Retrieved from https://durham-repository.worktribe.com/output/1618042

Linear solvers are the motor for many computer simulations that are based on partial differential equations (PDEs). For a wide range of problems, multigrid solvers belong to the most efficient ones. Their convergence rate is mostly independent of the... Read More about Hybrid Geometric-Algebraic Matrix-Free Multigrid on Spacetrees.

Nonsymmetric Black Box Multigrid with Coarsening by Three (2012)
Journal Article
Yavneh, I., & Weinzierl, M. (2012). Nonsymmetric Black Box Multigrid with Coarsening by Three. Numerical Linear Algebra with Applications, 19(2), 246-262

The classical Petrov–Galerkin approach to Black Box multigrid for nonsymmetric problems due to Dendy is combined with the recent factor-three-coarsening Black Box algorithm due to Dendy and Moulton, along with a powerful symmetric line Gauss–Seidel s... Read More about Nonsymmetric Black Box Multigrid with Coarsening by Three.

Simulation of Fluorescent Concentrators (2008)
Conference Proceeding
Bendig, M., Hanika, J., Dammertz, H., Goldschmidt, J. C., Peters, M., & Weber, M. (2008). Simulation of Fluorescent Concentrators. . https://doi.org/10.1109/RT.2008.4634628

Fluorescent concentrators (see Figure 1) are developed and investigated in solar energy research in order to improve the efficiency and applicability of solar cells. This is achieved by concentrating even diffuse light on cloudy days on small solar c... Read More about Simulation of Fluorescent Concentrators.