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Homogenized equation of second-order accuracy for conductivity of laminates (2022)
Journal Article
Kaplunov, J., Prikazchikova, L., & Panasenko, G. (2022). Homogenized equation of second-order accuracy for conductivity of laminates. Applicable Analysis, 101(11), 1 - 9. https://doi.org/10.1080/00036811.2022.2027387

The high order homogenization techniques potentially generate the so-called infinite order homogenized equations. Since long ago, the coefficients at higher order derivatives in these equations have been calculated within various refined theories for... Read More about Homogenized equation of second-order accuracy for conductivity of laminates.

Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (Corrigendum) (2022)
Journal Article
Barros, S. C. C., Akinsanmi, B., Boué, G., Smith, A. M. S., Laskar, J., Ulmer-Moll, S., Lillo-Box, J., Queloz, D., Collier Cameron, A., Sousa, S. G., Ehrenreich, D., Hooton, M. J., Bruno, G., Demory, B. .-O., Correia, A. C. M., Demangeon, O. D. S., Wilson, T. G., Bonfanti, A., Hoyer, S., Alibert, Y., …Walton, N. A. (2022). Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (Corrigendum). Astronomy & Astrophysics, 658, Article C1. https://doi.org/10.1051/0004-6361/202142196e

The name of co-author Sébastien Salmon (Observatoire Astronomique de l’Université de Genève, Switzerland) was missing from the author list of the original published article. It is added among the authors in this Corrigendum.

Axisymmetric necking versus Treloar–Kearsley instability in a hyperelastic sheet under equibiaxial stretching (2022)
Journal Article
Fu. (2022). Axisymmetric necking versus Treloar–Kearsley instability in a hyperelastic sheet under equibiaxial stretching. Mathematics and Mechanics of Solids, https://doi.org/10.1177/10812865211072897

We consider bifurcations from the homogeneous solution of a circular or square hyperelastic sheet that is subjected to equibiaxial stretching under either force- or displacement-controlled edge conditions. We derive the condition for axisymmetric nec... Read More about Axisymmetric necking versus Treloar–Kearsley instability in a hyperelastic sheet under equibiaxial stretching.

Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020) (2022)
Journal Article
Yusof, N., Hirschi, R., Eggenberger, P., Ekström, S., Georgy, C., Sibony, Y., Crowther, P. A., Meynet, G., Abu Kassim, H., Aishah Wan Harun, W., Maeder, A., Groh, J. H., Farrell, E., & Murphy, L. (2022). Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020). Monthly Notices of the Royal Astronomical Society, 511(2), 2814 - 2828. https://doi.org/10.1093/mnras/stac230

We present a grid of stellar models at supersolar metallicity (Z = 0.020) extending the previous grids of Geneva models at solar and sub-solar metallicities. A metallicity of Z = 0.020 was chosen to match that of the inner Galactic disc. A modest inc... Read More about Grids of stellar models with rotation VII: models from 0.8 to 300 M-circle dot at supersolar metallicity (Z=0.020).

BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities (2022)
Journal Article
Maxted, & Hellier. (2022). BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities. Monthly Notices of the Royal Astronomical Society, 3571 - 3583. https://doi.org/10.1093/mnras/stac113

BEBOP is a radial-velocity survey that monitors a sample of single-lined eclipsing binaries, in search of circumbinary planets by using high-resolution spectrographs. Here, we describe and test the methods we use to identify planetary signals within... Read More about BEBOP II: sensitivity to sub-Saturn circumbinary planets using radial-velocities.

Stabilisation of exact coherent structures in two-dimensional turbulence using time-delayed feedback (2022)
Journal Article
Lucas, D., & Yasuda, T. (2022). Stabilisation of exact coherent structures in two-dimensional turbulence using time-delayed feedback. Physical Review Fluids, https://doi.org/10.1103/PhysRevFluids.7.014401

Time-delayed feedback control, attributed to Pyragas (1992 Physics Letters 170(6) 421-428), is a method known to stabilise periodic orbits in low dimensional chaotic dynamical systems. A system of the form $\dot{\mathbf{x}}(t)=f(\mathbf{x})$ has an a... Read More about Stabilisation of exact coherent structures in two-dimensional turbulence using time-delayed feedback.

Non-Newtonian and viscoplastic models of a vertically-aligned thick liquid film draining due to gravity (2022)
Journal Article
Naire, S., & Alahmadi, H. N. (2022). Non-Newtonian and viscoplastic models of a vertically-aligned thick liquid film draining due to gravity. Physics of Fluids, 34(1), https://doi.org/10.1063/5.0075248

We consider theoretically the two-dimensional flow in a vertically-aligned thick liquid film supported at the top and bottom by wire frames. The film gradually thins as the liquid drains due to gravity. We focus on investigating the influence of non-... Read More about Non-Newtonian and viscoplastic models of a vertically-aligned thick liquid film draining due to gravity.

Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS (2022)
Journal Article
Maxted. (2022). Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202142196

Context. Ultra-short period planets undergo strong tidal interactions with their host star which lead to planet deformation and orbital tidal decay.

Aims. WASP-103b is the exoplanet with the highest expected deformation signature in its transit li... Read More about Detection of the tidal deformation of WASP-103b at 3 s with CHEOPS.

Scalability resilience framework using application-level fault injection for cloud-based software services (2022)
Journal Article
Al-Said Ahmad, A., & Andras, P. (2022). Scalability resilience framework using application-level fault injection for cloud-based software services. Journal of Cloud Computing: Advances, Systems and Applications, 11, Article 1. https://doi.org/10.1186/s13677-021-00277-z

This paper presents an investigation into the effect of faults on the scalability resilience of cloud-based software services. The study introduces an experimental framework using the Application-Level Fault Injection (ALFI) to investigate how the fa... Read More about Scalability resilience framework using application-level fault injection for cloud-based software services.

On integral and differential formulations in nonlocal elasticity (2022)
Journal Article
Prikazchikova, L., Kaplunov, J., & Prikazchikov, D. A. (2022). On integral and differential formulations in nonlocal elasticity. European Journal of Mechanics - A/Solids, 100, Article 104497. https://doi.org/10.1016/j.euromechsol.2021.104497

The paper is concerned with comparative analysis of differential and integral formulations for boundary value problems in nonlocal elasticity. For the sake of simplicity, the focus is on an antiplane problem for a half-space for an exponential kernel... Read More about On integral and differential formulations in nonlocal elasticity.

Hopf Algebras and Galois Module Theory (2021)
Book
Childs, L., Greither, C., Keating, K., Koch, A., Kohl, T., Truman, P., & Underwood, R. (2021). Hopf Algebras and Galois Module Theory. American Mathematical Society. https://doi.org/10.1090/surv/260

Hopf algebras have been shown to play a natural role in studying questions of integral module structure in extensions of local or global fields. This book surveys the state of the art in Hopf-Galois theory and Hopf-Galois module theory and can be vie... Read More about Hopf Algebras and Galois Module Theory.

The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables (2021)
Journal Article
Van Loon. (2021). The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables. Astrophysical Journal, https://doi.org/10.3847/1538-4357/ac2d96

An optical monitoring survey in the nearby dwarf galaxies was carried out with the 2.5 m Isaac Newton Telescope. 55 dwarf galaxies and four isolated globular clusters in the Local Group were observed with the Wide Field Camera. The main aims of this... Read More about The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. II. The Star-formation History of Andromeda I Derived from Long-period Variables.

An Experimental Performance Evaluation of Cloud-API-Based Applications (2021)
Journal Article
Abuzrieq, Y., Al-Said Ahmad, A., & Younes, M. (2021). An Experimental Performance Evaluation of Cloud-API-Based Applications. Future Internet, 314 - 314. https://doi.org/10.3390/fi13120314

Cloud Application Programming Interfaces (APIs) have been developed to link several cloud computing applications together. API-based applications are widely used to provide flexible and reliable services over cloud platforms. Recently, a huge number... Read More about An Experimental Performance Evaluation of Cloud-API-Based Applications.

Measurement of GMPT Coefficients for Improved Object Characterisation in Metal Detection (2021)
Journal Article
Ledger. (2021). Measurement of GMPT Coefficients for Improved Object Characterisation in Metal Detection. IEEE Sensors Journal, 2430-2446. https://doi.org/10.1109/JSEN.2021.3133950

Magnetic polarizability tensors (MPTs) have become popular for characterising conducting permeable objects and assisting with the identification of hidden objects in metal detection for applications in security screening, humanitarian demining and sc... Read More about Measurement of GMPT Coefficients for Improved Object Characterisation in Metal Detection.

Privacy Preserving Demand Forecasting to Encourage Consumer Acceptance of Smart Energy Meters (2021)
Presentation / Conference
Briggs, C., Fan, Z., & Andras, P. (2021, December). Privacy Preserving Demand Forecasting to Encourage Consumer Acceptance of Smart Energy Meters. Poster presented at NeurIPS 2020 Workshop Tackling Climate Change with Machine Learning

In this proposal paper we highlight the need for privacy preserving energy demand forecasting to allay a major concern consumers have about smart meter installations. High resolution smart meter data can expose many private aspects of a consumer's ho... Read More about Privacy Preserving Demand Forecasting to Encourage Consumer Acceptance of Smart Energy Meters.

On Injectivity of Quantum Finite Automata (2021)
Journal Article
Bell, P. (2021). On Injectivity of Quantum Finite Automata. Journal of Computer and System Sciences, 19-33. https://doi.org/10.1016/j.jcss.2021.05.002

We consider notions of freeness and ambiguity for the acceptance probability of Moore-Crutchfield Measure Once Quantum Finite Automata (MO-QFA). We study the injectivity problem of determining if the acceptance probability function of a MO-QFA is inj... Read More about On Injectivity of Quantum Finite Automata.

TIC 172900988: A Transiting Circumbinary Planet Detected in One Sector of TESS Data (2021)
Journal Article
Hellier, & Maxted. (2021). TIC 172900988: A Transiting Circumbinary Planet Detected in One Sector of TESS Data. Astronomical Journal, https://doi.org/10.3847/1538-3881/ac223a

We report the first discovery of a transiting circumbinary planet detected from a single sector of Transiting Exoplanet Survey Satellite (TESS) data. During Sector 21, the planet TIC 172900988b transited the primary star and then five days later it t... Read More about TIC 172900988: A Transiting Circumbinary Planet Detected in One Sector of TESS Data.

REDISCUSSION OF ECLIPSING BINARIES. PAPER 7: DELTA SCUTI, GAMMA DORADUS, AND TIDALLY-PERTURBED PULSATIONS IN RR LYNCIS (2021)
Journal Article
Taylor. (2021). REDISCUSSION OF ECLIPSING BINARIES. PAPER 7: DELTA SCUTI, GAMMA DORADUS, AND TIDALLY-PERTURBED PULSATIONS IN RR LYNCIS. Observatory, 141, 282

RR Lyn is a detached eclipsing binary with a 9.95 d orbit containing two A-stars: one metallic-lined and one possibly metal-poor. We use the light curve from the TESS satellite and two sets of published radial velocity measurements to determine the p... Read More about REDISCUSSION OF ECLIPSING BINARIES. PAPER 7: DELTA SCUTI, GAMMA DORADUS, AND TIDALLY-PERTURBED PULSATIONS IN RR LYNCIS.

On the mortality problem: From multiplicative matrix equations to linear recurrence sequences and beyond (2021)
Journal Article
Bell, P. (2021). On the mortality problem: From multiplicative matrix equations to linear recurrence sequences and beyond. Information and Computation, https://doi.org/10.1016/j.ic.2021.104736

We consider a variant of the mortality problem: given k × k matrices A1, . . . , At , do there exist nonnegative integers m1, . . . , mt such that Am1 1 · · · Amt t equals the zero matrix? This problem is known to be decidable when t = 2 but undecida... Read More about On the mortality problem: From multiplicative matrix equations to linear recurrence sequences and beyond.

Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops (2021)
Journal Article
Maxted, P. F. L., Ehrenreich, D., Wilson, T. G., Alibert, Y., Cameron, A. C., Hoyer, S., Sousa, S. G., Olofsson, G., Bekkelien, A., Deline, A., Delrez, L., Bonfanti, A., Borsato, L., Alonso, R., Anglada Escudé, G., Barrado, D., Barros, S. C. C., Baumjohann, W., Beck, M., Beck, T., …Walton, N. A. (2022). Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops. Monthly Notices of the Royal Astronomical Society, 514(1), 77-104. https://doi.org/10.1093/mnras/stab3371

CHEOPS (CHaracterising ExOPlanet Satellite) is an ESA S-class mission that observes bright stars at high cadence from low-Earth orbit. The main aim of the mission is to characterize exoplanets that transit nearby stars using ultrahigh precision photo... Read More about Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops.