All Outputs (105)

Nearfield acoustical holography – a Wigner function approach (2020)
Journal Article
Ramapriya, D. M., Gradoni, G., Creagh, S. C., Tanner, G., Moers, E., & Lopéz Arteaga, I. (2020). Nearfield acoustical holography – a Wigner function approach. Journal of Sound and Vibration, 486, Article 115593. https://doi.org/10.1016/j.jsv.2020.115593

We propose to use Wigner transformation methods as a tool for propagating measured acoustic signals from and towards a source region. We demonstrate the usefulness of the approach both for source reconstruction purposes and as a stable numerical simu... Read More about Nearfield acoustical holography – a Wigner function approach.

Braided commutative algebras over quantized enveloping algebras (2020)
Journal Article
Laugwitz, R., & Walton, C. (2021). Braided commutative algebras over quantized enveloping algebras. Transformation Groups, 26, 957-993. https://doi.org/10.1007/s00031-020-09599-9

We produce braided commutative algebras in braided monoidal categories by generalizing Davydov's full center construction of commutative algebras in centers of monoidal categories. Namely, we build braided commutative algebras in relative monoidal ce... Read More about Braided commutative algebras over quantized enveloping algebras.

Period functions associated to real-analytic modular forms (2020)
Journal Article
Diamantis, N., & Drewitt, J. (2020). Period functions associated to real-analytic modular forms. Research in the Mathematical Sciences, 7(3), https://doi.org/10.1007/s40687-020-00221-8

We define L-functions for the class of real-analytic modular forms recently introduced by F. Brown. We establish their main properties and construct the analogue of period polynomial in cases of special interest, including those of modular iterated i... Read More about Period functions associated to real-analytic modular forms.

Asymptotics of near-cloaking (2020)
Journal Article
OCKENDON, J. R., OCKENDON, H., SLEEMAN, B. D., & TEW, R. H. (2021). Asymptotics of near-cloaking. European Journal of Applied Mathematics, 32(6), 1106 - 1126. https://doi.org/10.1017/s0956792520000212

This paper describes how asymptotic analysis can be used to gain new insights into the theory of cloaking of spherical and cylindrical targets within the context of acoustic waves in a class of linear elastic materials. In certain cases these configu... Read More about Asymptotics of near-cloaking.

Onset of spontaneous scalarization in generalized scalar-tensor theories (2020)
Journal Article
Ventagli, G., Lehébel, A., & Sotiriou, T. P. (2020). Onset of spontaneous scalarization in generalized scalar-tensor theories. Physical Review D, 102(2), Article 024050. https://doi.org/10.1103/PhysRevD.102.024050

In gravity theories that exhibit spontaneous scalarization, astrophysical objects are identical to their general relativistic counterpart until they reach a certain threshold in compactness or curvature. Beyond this threshold, they acquire a nontrivi... Read More about Onset of spontaneous scalarization in generalized scalar-tensor theories.

Identifying the spatial and temporal dynamics of molecularly-distinct glioblastoma sub-populations (2020)
Journal Article
Morris, B., Curtin, L., Hawkins-Daarud, A., Hubbard, M. E., Rahman, R., Smith, S. J., …Owen, M. R. (2020). Identifying the spatial and temporal dynamics of molecularly-distinct glioblastoma sub-populations. Mathematical Biosciences and Engineering, 17(5), 4905-4941. https://doi.org/10.3934/mbe.2020267

Glioblastomas (GBMs) are the most aggressive primary brain tumours and have no known cure. Each individual tumour comprises multiple sub-populations of genetically-distinct cells that may respond differently to targeted therapies and may contribute t... Read More about Identifying the spatial and temporal dynamics of molecularly-distinct glioblastoma sub-populations.

Efficient Statistical Model for Predicting Electromagnetic Wave Distribution in Coupled Enclosures (2020)
Journal Article
Ma, S., Phang, S., Drikas, Z., Addissie, B., Hong, R., Blakaj, V., …Anlage, S. M. (2020). Efficient Statistical Model for Predicting Electromagnetic Wave Distribution in Coupled Enclosures. Physical Review Applied, 14(1), Article 014022. https://doi.org/10.1103/PhysRevApplied.14.014022

The random coupling model (RCM) has been successfully applied to predicting the statistics of currents and voltages at ports in complex electromagnetic (EM) enclosures operating in the short-wavelength limit. Recent studies have extended the RCM to s... Read More about Efficient Statistical Model for Predicting Electromagnetic Wave Distribution in Coupled Enclosures.

A nonlinear and time-dependent leak current in the presence of calcium fluoride patch-clamp seal enhancer [version 1; peer review: 2 approved with reservations] (2020)
Journal Article
Lei, C. L., Fabbri, A., Whittaker, D. G., Clerx, M., Windley, M. J., Hill, A. P., …de Boer, T. P. (2020). A nonlinear and time-dependent leak current in the presence of calcium fluoride patch-clamp seal enhancer [version 1; peer review: 2 approved with reservations]. Wellcome Open Research, 5, Article 152. https://doi.org/10.12688/wellcomeopenres.15968.1

Automated patch-clamp platforms are widely used and vital tools in both academia and industry to enable high-throughput studies such as drug screening. A leak current to ground occurs whenever the seal between a pipette and cell (or internal solution... Read More about A nonlinear and time-dependent leak current in the presence of calcium fluoride patch-clamp seal enhancer [version 1; peer review: 2 approved with reservations].

Quasinormal Mode Oscillations in an Analogue Black Hole Experiment (2020)
Journal Article
Torres, T., Patrick, S., Richartz, M., & Weinfurtner, S. (2020). Quasinormal Mode Oscillations in an Analogue Black Hole Experiment. Physical Review Letters, 125(1), Article 011301. https://doi.org/10.1103/PhysRevLett.125.011301

The late stages of the relaxation process of a black hole are expected to depend only on its mass and angular momentum and not on the details of its formation process. Inspired by recent analogue gravity experiments, which demonstrate that certain bl... Read More about Quasinormal Mode Oscillations in an Analogue Black Hole Experiment.

CellML 2.0 (2020)
Journal Article
Clerx, M., Cooling, M. T., Cooper, J., Garny, A., Moyle, K., Nickerson, D. P., …Sorby, H. (2020). CellML 2.0. Journal of Integrative Bioinformatics, 17(2-3), https://doi.org/10.1515/jib-2020-0021

We present here CellML 2.0, an XML-based language for describing and exchanging mathematical models of physiological systems. MathML embedded in CellML documents is used to define the underlying mathematics of models. Models consist of a network of r... Read More about CellML 2.0.

Two-group Poisson-Dirichlet mixtures for multiple testing (2020)
Journal Article
Denti, F., Guindani, M., Leisen, F., Lijoi, A., Wadsworth, W. D., & Vannucci, M. (2021). Two-group Poisson-Dirichlet mixtures for multiple testing. Biometrics, 77(2), 622-633. https://doi.org/10.1111/biom.13314

© 2020 The International Biometric Society The simultaneous testing of multiple hypotheses is common to the analysis of high-dimensional data sets. The two-group model, first proposed by Efron, identifies significant comparisons by allocating observa... Read More about Two-group Poisson-Dirichlet mixtures for multiple testing.

Switching behaviour in vascular smooth muscle cell–matrix adhesion during oscillatory loading (2020)
Journal Article
Irons, L., Huang, H., Owen, M. R., O'Dea, R. D., Meininger, G. A., & Brook, B. S. (2020). Switching behaviour in vascular smooth muscle cell–matrix adhesion during oscillatory loading. Journal of Theoretical Biology, 502, Article 110387. https://doi.org/10.1016/j.jtbi.2020.110387

Integrins regulate mechanotransduction between smooth muscle cells (SMCs) and the extracellular matrix (ECM). SMCs resident in the walls of airways or blood vessels are continuously exposed to dynamic mechanical forces due to breathing or pulsatile b... Read More about Switching behaviour in vascular smooth muscle cell–matrix adhesion during oscillatory loading.

On the characterisation of polar fibrous composites when fibres resist bending – Part III: The spherical part of the couple-stress (2020)
Journal Article
Soldatos, K. P. (2020). On the characterisation of polar fibrous composites when fibres resist bending – Part III: The spherical part of the couple-stress. International Journal of Solids and Structures, 202, 217-225. https://doi.org/10.1016/j.ijsolstr.2020.06.013

Part II (Soldatos 2018b) identified some theoretical disagreement between the generally anisotropic polar linear elasticity of Mindlin and Tiersten (1962) and its counterpart developed in (Spencer and Soldatos, 2007; Soldatos, 2014) for fibrous compo... Read More about On the characterisation of polar fibrous composites when fibres resist bending – Part III: The spherical part of the couple-stress.

Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot (2020)
Journal Article
Baskin, T. I., Preston, S., Zelinsky, E., Yang, X., Elmali, M., Bellos, D., …Bennett, M. J. (2020). Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot. iScience, 23(7), Article 101309. https://doi.org/10.1016/j.isci.2020.101309

In the root, meristem and elongation zone lengths remain stable, despite growth and division of cells. To gain insight into zone stability, we imaged individual Arabidopsis thaliana roots through a horizontal microscope, and used image analysis to ob... Read More about Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot.

A mathematical model reveals the influence of population heterogeneity on herd immunity to SARS-CoV-2 (2020)
Journal Article
Britton, T., Ball, F., & Trapman, P. (2020). A mathematical model reveals the influence of population heterogeneity on herd immunity to SARS-CoV-2. Science, 369(6505), 846-849. https://doi.org/10.1126/science.abc6810

Despite various levels of preventive measures, in 2020 many countries have suffered severely from the coronavirus 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus. We show that population heter... Read More about A mathematical model reveals the influence of population heterogeneity on herd immunity to SARS-CoV-2.

Development of a Corynebacterium glutamicum bio-factory for self-sufficient transaminase reactions (2020)
Journal Article
Grigoriou, S., Kugler, P., Kulcinskaja, E., Walter, F., King, J., Hill, P., …O'Reilly, E. (2020). Development of a Corynebacterium glutamicum bio-factory for self-sufficient transaminase reactions. Green Chemistry, 22(13), 4128-4132. https://doi.org/10.1039/d0gc01432j

The development of biocatalytic routes for the synthesis of chiral amines starting from achiral building blocks is highly desirable. Here, we report a self-sufficient whole-cell system for the conversion of a model ketone to the corresponding cyclic... Read More about Development of a Corynebacterium glutamicum bio-factory for self-sufficient transaminase reactions.

Robust feedback control of nonlinear PDEs by numerical approximation of high-dimensional Hamilton-Jacobi-Isaacs equations (2020)
Journal Article
Kalise, D., Kundu, S., & Kunisch, K. (2020). Robust feedback control of nonlinear PDEs by numerical approximation of high-dimensional Hamilton-Jacobi-Isaacs equations. SIAM Journal on Applied Dynamical Systems, 19(2), 1496-1524. https://doi.org/10.1137/19M1262139

Copyright © by SIAM. We propose an approach for the synthesis of robust and optimal feedback controllers for nonlinear PDEs. Our approach considers the approximation of infinite-dimensional control systems by a pseudospectral collocation method, lead... Read More about Robust feedback control of nonlinear PDEs by numerical approximation of high-dimensional Hamilton-Jacobi-Isaacs equations.

A generalised model for generalised transduction: the importance of co-evolution and stochasticity in phage mediated antimicrobial resistance transfer (2020)
Journal Article
Arya, S., Todman, H., Baker, M., Hooton, S., Millard, A., Kreft, J. U., …Stekel, D. J. (2020). A generalised model for generalised transduction: the importance of co-evolution and stochasticity in phage mediated antimicrobial resistance transfer. FEMS Microbiology Ecology, 96(7), https://doi.org/10.1093/femsec/fiaa100

© FEMS 2020. Antimicrobial resistance is a major global challenge. Of particular concern are mobilizable elements that can transfer resistance genes between bacteria, leading to pathogens with new combinations of resistance. To date, mathematical mod... Read More about A generalised model for generalised transduction: the importance of co-evolution and stochasticity in phage mediated antimicrobial resistance transfer.

The role of node dynamics in shaping emergent functional connectivity patterns in the brain (2020)
Journal Article
Forrester, M., Crofts, J. J., Sotiropoulos, S. N., Coombes, S., & O'Dea, R. D. (2020). The role of node dynamics in shaping emergent functional connectivity patterns in the brain. Network Neuroscience, 4(2), 467-483. https://doi.org/10.1162/netn_a_00130

© 2020 Massachusetts Institute of Technology. The contribution of structural connectivity to functional brain states remains poorly understood. We present a mathematical and computational study suited to assess the structure–function issue, treating... Read More about The role of node dynamics in shaping emergent functional connectivity patterns in the brain.

Generalized Cost-Based Job Scheduling in Very Large Heterogeneous Cluster Systems (2020)
Journal Article
KhudaBukhsh, W. R., Kar, S., Alt, B., Rizk, A., & Koeppl, H. (2020). Generalized Cost-Based Job Scheduling in Very Large Heterogeneous Cluster Systems. IEEE Transactions on Parallel and Distributed Systems, 31(11), 2594-2604. https://doi.org/10.1109/tpds.2020.2997771

We study job assignment in large, heterogeneous resource-sharing clusters of servers with finite buffers. This load balancing problem arises naturally in today's communication and big data systems, such as Amazon Web Services, Network Service Functio... Read More about Generalized Cost-Based Job Scheduling in Very Large Heterogeneous Cluster Systems.