All Outputs (1642)

Pure Lorentz spin connection theories and uniqueness of general relativity (2021)
Journal Article
Krasnov, K., & Mitsou, E. (2021). Pure Lorentz spin connection theories and uniqueness of general relativity. Classical and Quantum Gravity, 38(20), Article 205009. https://doi.org/10.1088/1361-6382/ac25e3

General relativity (GR) can be reformulated as a diffeomorphism invariant gauge theory of the Lorentz group, with Lagrangian of the type f(F ∧ F), where F is the curvature two-form of the spin connection. A theory from this class with a generic f is... Read More about Pure Lorentz spin connection theories and uniqueness of general relativity.

Statistical learning for fluid flows: Sparse Fourier divergence-free approximations (2021)
Journal Article
Espath, L., Kabanov, D., Kiessling, J., & Tempone, R. (2021). Statistical learning for fluid flows: Sparse Fourier divergence-free approximations. Physics of Fluids, 33(9), Article 097108. https://doi.org/10.1063/5.0064862

We reconstruct the velocity field of incompressible flows given a finite set of measurements. For the spatial approximation, we introduce the Sparse Fourier divergence-free approximation based on a discrete L2 projection. Within this physics-informed... Read More about Statistical learning for fluid flows: Sparse Fourier divergence-free approximations.

Approximate Maximum Likelihood Estimation for One-Dimensional Diffusions Observed on a Fine Grid (2021)
Journal Article
Lu, K. W., Paine, P. J., Preston, S. P., & Wood, A. T. A. (2022). Approximate Maximum Likelihood Estimation for One-Dimensional Diffusions Observed on a Fine Grid. Scandinavian Journal of Statistics, 49(3), 1085-1114. https://doi.org/10.1111/sjos.12556

We consider a one-dimensional stochastic differential equation that is observed on a fine grid of equally spaced time points. A novel approach for approximating the transition density of the stochastic differential equation is presented, which is bas... Read More about Approximate Maximum Likelihood Estimation for One-Dimensional Diffusions Observed on a Fine Grid.

Neural fields with rebound currents: Novel routes to patterning (2021)
Journal Article
Modhara, S., Lai, Y. M., Thul, R., & Coombes, S. (2021). Neural fields with rebound currents: Novel routes to patterning. SIAM Journal on Applied Dynamical Systems, 20(3), 1596-1620. https://doi.org/10.1137/20M1364710

The understanding of how spatio-temporal patterns of neural activity may arise in the cortex of the brain has advanced with the development and analysis of neural field models. Replicating this success for subcortical tissues, such as the thalamus, r... Read More about Neural fields with rebound currents: Novel routes to patterning.

Probing the nature of black holes: Deep in the mHz gravitational-wave sky (2021)
Journal Article
Baibhav, V., Barack, L., Berti, E., Bonga, B., Brito, R., Cardoso, V., …Zimmerman, A. (2021). Probing the nature of black holes: Deep in the mHz gravitational-wave sky. Experimental Astronomy, 51(3), 1385-1416. https://doi.org/10.1007/s10686-021-09741-9

Black holes are unique among astrophysical sources: they are the simplest macroscopic objects in the Universe, and they are extraordinary in terms of their ability to convert energy into electromagnetic and gravitational radiation. Our capacity to pr... Read More about Probing the nature of black holes: Deep in the mHz gravitational-wave sky.

Quantum estimation of coupling strengths in driven-dissipative optomechanics (2021)
Journal Article
Sala, K., Doicin, T., Armour, A. D., & Tufarelli, T. (2021). Quantum estimation of coupling strengths in driven-dissipative optomechanics. Physical Review A, 104(3), Article 033508. https://doi.org/10.1103/PhysRevA.104.033508

We exploit local quantum estimation theory to investigate the measurement of linear (g1) and quadratic (g2) coupling strengths in a driven-dissipative optomechanical system in the red-sideband regime. We consider model parameters inspired by recent e... Read More about Quantum estimation of coupling strengths in driven-dissipative optomechanics.

Class field theory, its three main generalisations, and applications (2021)
Journal Article
Fesenko, I. (2021). Class field theory, its three main generalisations, and applications. EMS Surveys in Mathematical Sciences, 8(1-2), 107-133. https://doi.org/10.4171/emss/45

This work presents branches of class field theory. Special and general approaches to class field theory, and their roles, are discussed. Three main generalisations of class field theory: higher class field theory, Langlands correspondences and anabel... Read More about Class field theory, its three main generalisations, and applications.

Ratios of Artin L-functions (2021)
Journal Article
Hochfilzer, L., & Oliver, T. (2022). Ratios of Artin L-functions. Journal of Number Theory, 236, 1-40. https://doi.org/10.1016/j.jnt.2021.07.007

We study the cancellation of zeros between the Riemann zeta function and certain Artin L-functions. To do so, we develop a converse theorem for Maass forms of Laplace eigenvalue 1/4 in which the twisted L-functions are not assumed to be entire. We do... Read More about Ratios of Artin L-functions.

Electrophysiological characterization of the hERG R56Q LQTS variant and targeted rescue by the activator RPR260243 (2021)
Journal Article
Kemp, J. M., Whittaker, D. G., Venkateshappa, R., Pang, Z. K., Johal, R., Sergeev, V., …Claydon, T. W. (2021). Electrophysiological characterization of the hERG R56Q LQTS variant and targeted rescue by the activator RPR260243. Journal of General Physiology, 153(10), Article e202112923. https://doi.org/10.1085/jgp.202112923

Human Ether-à-go-go (hERG) channels contribute to cardiac repolarization, and inherited variants or drug block are associated with long QT syndrome type 2 (LQTS2) and arrhythmia. Therefore, hERG activator compounds present a therapeutic opportunity f... Read More about Electrophysiological characterization of the hERG R56Q LQTS variant and targeted rescue by the activator RPR260243.

A Bayesian nonparametric analysis of the 2003 outbreak of highly pathogenic avian influenza in the Netherlands (2021)
Journal Article
Seymour, R. G., Kypraios, T., O’Neill, P. D., & Hagenaars, T. J. (2021). A Bayesian nonparametric analysis of the 2003 outbreak of highly pathogenic avian influenza in the Netherlands. Journal of the Royal Statistical Society: Series C, 70(5), 1323-1343. https://doi.org/10.1111/rssc.12515

Infectious diseases on farms pose both public and animal health risks, so understanding how they spread between farms is crucial for developing disease control strategies to prevent future outbreaks. We develop novel Bayesian nonparametric methodolog... Read More about A Bayesian nonparametric analysis of the 2003 outbreak of highly pathogenic avian influenza in the Netherlands.

Neural Network Differential Equations For Ion Channel Modelling (2021)
Journal Article
Lei, C. L., & Mirams, G. R. (2021). Neural Network Differential Equations For Ion Channel Modelling. Frontiers in Physiology, 12, Article 708944. https://doi.org/10.3389/fphys.2021.708944

Mathematical models of cardiac ion channels have been widely used to study and predict the behaviour of ion currents. Typically models are built using biophysically-based mechanistic principles such as Hodgkin-Huxley or Markov state transitions. Thes... Read More about Neural Network Differential Equations For Ion Channel Modelling.

Extended Larché–Cahn framework for reactive Cahn–Hilliard multicomponent systems (2021)
Journal Article
Clavijo, S. P., Espath, L., & Calo, V. M. (2021). Extended Larché–Cahn framework for reactive Cahn–Hilliard multicomponent systems. Continuum Mechanics and Thermodynamics, 33(6), 2391-2410. https://doi.org/10.1007/s00161-021-01045-9

At high temperature and pressure, solid diffusion and chemical reactions between rock minerals lead to phase transformations. Chemical transport during uphill diffusion causes phase separation, that is, spinodal decomposition. Thus, to describe the c... Read More about Extended Larché–Cahn framework for reactive Cahn–Hilliard multicomponent systems.

Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings (2021)
Journal Article
Antoniou, G., Lehébel, A., Ventagli, G., & Sotiriou, T. P. (2021). Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings. Physical Review D, 104(4), Article 044002. https://doi.org/10.1103/PhysRevD.104.044002

Spontaneous scalarization is a gravitational phenomenon in which deviations from general relativity arise once a certain threshold in curvature is exceeded, while being entirely absent below that threshold. For black holes, scalarization is known to... Read More about Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings.

SARS-CoV-2 infection in UK university students: Lessons from September-December 2020 and modelling insights for future student return (2021)
Journal Article
Enright, J., Hill, E. M., Stage, H. B., Bolton, K. J., Nixon, E. J., Fairbanks, E. L., …Tildesley, M. J. (2021). SARS-CoV-2 infection in UK university students: Lessons from September-December 2020 and modelling insights for future student return. Royal Society Open Science, 8(8), Article 210310. https://doi.org/10.1098/rsos.210310

In this paper, we present work on SARS-CoV-2 transmission in UK higher education settings using multiple approaches to assess the extent of university outbreaks, how much those outbreaks may have led to spillover in the community, and the expected ef... Read More about SARS-CoV-2 infection in UK university students: Lessons from September-December 2020 and modelling insights for future student return.

Prospective examination of mental health in university students during the COVID-19 pandemic (2021)
Working Paper
Jia, R., Knight, H., Ayling, K., Coupland, C., Corner, J., Denning, C., …Vedhara, K. Prospective examination of mental health in university students during the COVID-19 pandemic

Background The impact of changing social restrictions on the mental health of students during the COVID-19 pandemic warrants exploration. Aims To prospectively examine changes to university students’ mental health during the pandemic. Methods S... Read More about Prospective examination of mental health in university students during the COVID-19 pandemic.

Single quantum emitter Dicke enhancement (2021)
Journal Article
Tufarelli, T., Friedrich, D., Groß, H., Hamm, J., Hess, O., & Hecht, B. (2021). Single quantum emitter Dicke enhancement. Physical Review Research, 3(3), Article 033103. https://doi.org/10.1103/physrevresearch.3.033103

Coupling N identical emitters to the same field mode is well-established method to enhance light matter interaction. However, the resulting √ N-boost of the coupling strength comes at the cost of a "linearized" (effectively semi-classical) dynamics.... Read More about Single quantum emitter Dicke enhancement.

The risk for a new COVID-19 wave and how it depends on R 0, the current immunity level and current restrictions (2021)
Journal Article
Britton, T., Trapman, P., & Ball, F. (2021). The risk for a new COVID-19 wave and how it depends on R 0, the current immunity level and current restrictions. Royal Society Open Science, 8(7), Article 210386. https://doi.org/10.1098/rsos.210386

The COVID-19 pandemic has hit different regions differently. The current disease-induced immunity level î in a region approximately equals the cumulative fraction infected, which primarily depends on two factors: (i) the initial potential for COVID-1... Read More about The risk for a new COVID-19 wave and how it depends on R 0, the current immunity level and current restrictions.

Determination of the spherical part of the couple-stress in a polar fibre-reinforced elastic plate subjected to pure bending (2021)
Journal Article
Soldatos, K. P. (2021). Determination of the spherical part of the couple-stress in a polar fibre-reinforced elastic plate subjected to pure bending. Acta Mechanica, 232, 3881-3896. https://doi.org/10.1007/s00707-021-03035-z

This communication provides initial information and understanding of the manner in which a newly developed theoretical mechanism (Soldatos in Int J Solids Struct 202:217–225, 2020) is applied in specific boundary value problems met in polar linear el... Read More about Determination of the spherical part of the couple-stress in a polar fibre-reinforced elastic plate subjected to pure bending.

Bayesian Calibration of Electrophysiology Models Using Restitution Curve Emulators (2021)
Journal Article
Coveney, S., Corrado, C., Oakley, J. E., Wilkinson, R. D., Niederer, S. A., & Clayton, R. H. (2021). Bayesian Calibration of Electrophysiology Models Using Restitution Curve Emulators. Frontiers in Physiology, 12, Article 693015. https://doi.org/10.3389/fphys.2021.693015

Calibration of cardiac electrophysiology models is a fundamental aspect of model personalization for predicting the outcomes of cardiac therapies, simulation testing of device performance for a range of phenotypes, and for fundamental research into c... Read More about Bayesian Calibration of Electrophysiology Models Using Restitution Curve Emulators.

A continuum theory for mineral solid solutions undergoing chemo-mechanical processes (2021)
Journal Article
Clavijo, S. P., Espath, L., Sarmiento, A., & Calo, V. M. (2022). A continuum theory for mineral solid solutions undergoing chemo-mechanical processes. Continuum Mechanics and Thermodynamics, 34(1), 17-38. https://doi.org/10.1007/s00161-021-01041-z

Recent studies on metamorphic petrology as well as microstructural observations suggest the influence of mechanical effects upon chemically active metamorphic minerals. Thus, the understanding of such a coupling is crucial to describe the dynamics of... Read More about A continuum theory for mineral solid solutions undergoing chemo-mechanical processes.