All Outputs (111)

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.

Considering discrepancy when calibrating a mechanistic electrophysiology model (2020)
Journal Article
Wilkinson, R. D., Worden, K., Walmsley, J., Dos Santos, R. W., Riabiz, M., Pathmanathan, P., …Whittaker, D. G. (2020). Considering discrepancy when calibrating a mechanistic electrophysiology model. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 378(2173), 20190349. https://doi.org/10.1098/rsta.2019.0349

Uncertainty quantification (UQ) is a vital step in using mathematical models and simulations to take decisions. The field of cardiac simulation has begun to explore and adopt UQ methods to characterize uncertainty in model inputs and how that propaga... Read More about Considering discrepancy when calibrating a mechanistic electrophysiology model.

Accounting for variability in ion current recordings using a mathematical model of artefacts in voltage-clamp experiments (2020)
Journal Article
Clerx, M., Lei, C. L., Whittaker, D. G., Gavaghan, D. J., de Boer, T. P., & Mirams, G. R. (2020). Accounting for variability in ion current recordings using a mathematical model of artefacts in voltage-clamp experiments. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 378(2173), Article 20190348. https://doi.org/10.1098/rsta.2019.0348

Mathematical models of ion channels, which constitute indispensable components of action potential models, are commonly constructed by fitting to whole-cell patch-clamp data. In a previous study, we fitted cell-specific models to hERG1a (Kv11.1) reco... Read More about Accounting for variability in ion current recordings using a mathematical model of artefacts in voltage-clamp experiments.

Analysis of the conditional mutual information in ballistic and diffusive non-equilibrium steady-states (2020)
Journal Article
Malouf, W. T. B., Goold, J., Adesso, G., & Landi, G. (2020). Analysis of the conditional mutual information in ballistic and diffusive non-equilibrium steady-states. Journal of Physics A: Mathematical and Theoretical, 53(30), https://doi.org/10.1088/1751-8121/ab93fd

The conditional mutual information (CMI) $\mathcal{I}(A\! : \! C|B)$ quantifies the amount of correlations shared between $A$ and $C$ \emph{given} $B$. It therefore functions as a more general quantifier of bipartite correlations in multipartite scen... Read More about Analysis of the conditional mutual information in ballistic and diffusive non-equilibrium steady-states.

Eichler cohomology and zeros of polynomials associated to derivatives of L-functions (2020)
Journal Article
Diamantis, N., & Rolen, L. (2021). Eichler cohomology and zeros of polynomials associated to derivatives of L-functions. Journal für die reine und angewandte Mathematik, 2021(770), 1-25. https://doi.org/10.1515/crelle-2020-0011

A novel wave-energy device with enhanced wave amplification and induction actuator (2020)
Journal Article
Bokhove, O., Kalogirou, A., Henry, D., & Thomas, G. P. (2020). A novel wave-energy device with enhanced wave amplification and induction actuator. International Marine Energy Journal, 3(1), 37-44. https://doi.org/10.36688/imej.3.37-44

© 2020, European Wave and Tidal Energy Conference. All rights reserved. A novel wave-energy device is presented. Both a preliminary proof-of-principle of a working, scaled laboratory version of the energy device is shown as well as the derivation and... Read More about A novel wave-energy device with enhanced wave amplification and induction actuator.

The spatial percept of tinnitus is associated with hearing asymmetry: subgroup comparisons (2020)
Working Paper
Genitsaridi, E., Kypraios, T., Edvall, N. K., Trpchevska, N., Canlon, B., Hoare, D. J., …Hall, D. A. The spatial percept of tinnitus is associated with hearing asymmetry: subgroup comparisons

The spatial percept of tinnitus is hypothesized as an important variable for tinnitus subtyping. Hearing asymmetry often associates with tinnitus laterality, but not always. One of the methodological limitations for cross-study comparisons is how the... Read More about The spatial percept of tinnitus is associated with hearing asymmetry: subgroup comparisons.

Assisted concentration of Gaussian resources (2020)
Journal Article
Lami, L., Takagi, R., & Adesso, G. (2020). Assisted concentration of Gaussian resources. Physical Review A, 101(5),

In spite of their outstanding experimental relevance, Gaussian operations in continuous-variable quantum systems are subjected to fundamental limitations, as it is known that general resources cannot be distilled within the Gaussian paradigm. We show... Read More about Assisted concentration of Gaussian resources.

Unpacking the Allee effect: determining individual-level mechanisms that drive global population dynamics (2020)
Working Paper
Fadai, N. T., Johnston, S. T., & Simpson, M. J. Unpacking the Allee effect: determining individual-level mechanisms that drive global population dynamics

We present a solid theoretical foundation for interpreting the origin of Allee effects by providing the missing link in understanding how local individual-based mechanisms translate to global population dynamics. Allee effects were originally propose... Read More about Unpacking the Allee effect: determining individual-level mechanisms that drive global population dynamics.

Macroscopic models for filtration and heterogeneous reactions in porous media (2020)
Journal Article
Municchi, F., & Icardi, M. (2020). Macroscopic models for filtration and heterogeneous reactions in porous media. Advances in Water Resources, 141, Article 103605. https://doi.org/10.1016/j.advwatres.2020.103605

Derivation of macroscopic models for advection-diffusion processes in the presence of dominant heterogeneous (e.g., surface) reactions using homogenisation theory or volume averaging is often deemed unfeasible (Valdés-Parada et al., 2011; Battiato an... Read More about Macroscopic models for filtration and heterogeneous reactions in porous media.

Fast state tomography with optimal error bounds (2020)
Journal Article
Guta, M., Kahn, J., Kueng, R., & Tropp, J. A. (2020). Fast state tomography with optimal error bounds. Journal of Physics A: Mathematical and Theoretical, 53(20), https://doi.org/10.1088/1751-8121/ab8111

Projected least squares is an intuitive and numerically cheap technique for quantum state tomography: compute the least-squares estimator and project it onto the space of states. The main result of this paper equips this point estimator with rigorous... Read More about Fast state tomography with optimal error bounds.

Mathematical model to determine the effect of a sub-glycocalyx space (2020)
Journal Article
Dyson, R. J., Dalwadi, M. P., Dalwadi, M. P., King, J. R., Dyson, R. J., & Arkill, K. P. (2020). Mathematical model to determine the effect of a sub-glycocalyx space. Physical Review Fluids, 5(4), https://doi.org/10.1103/physrevfluids.5.043103

We consider the drainage of blood plasma across the capillary wall, focusing on the flow through the endothelial glycocalyx layer that coats the luminal surface of vascular endothelial cells. We investigate how the presence of a sub-glycocalyx space... Read More about Mathematical model to determine the effect of a sub-glycocalyx space.

Computational analysis of transport in three-dimensional heterogeneous materials: An OpenFOAM®-based simulation framework (2020)
Journal Article
Boccardo, G., Crevacore, E., Passalacqua, A., & Icardi, M. (2020). Computational analysis of transport in three-dimensional heterogeneous materials: An OpenFOAM®-based simulation framework. Computing and Visualization in Science, 23, Article 4. https://doi.org/10.1007/s00791-020-00321-6

© 2020, The Author(s). Porous and heterogeneous materials are found in many applications from composites, membranes, chemical reactors, and other engineered materials to biological matter and natural subsurface structures. In this work we propose an... Read More about Computational analysis of transport in three-dimensional heterogeneous materials: An OpenFOAM®-based simulation framework.

Operating at the extreme: Estimating the upper yield boundary of winter wheat production in commercial practice (2020)
Journal Article
Mitchell, E. G., Crout, N. M., Wilson, P., Wood, A. T., & Stupfler, G. (2020). Operating at the extreme: Estimating the upper yield boundary of winter wheat production in commercial practice. Royal Society Open Science, 7(4), https://doi.org/10.1098/rsos.191919

© 2020 The Authors. Wheat farming provides 28.5% of global cereal production. After steady growth in average crop yield from 1950 to 1990, wheat yields have generally stagnated, which prompts the question of whether further improvements are possible.... Read More about Operating at the extreme: Estimating the upper yield boundary of winter wheat production in commercial practice.

The generalized viscoelastic spring (2020)
Journal Article
Soldatos, K. P. (2020). The generalized viscoelastic spring. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 476(2236), Article 20190881. https://doi.org/10.1098/rspa.2019.0881

A spring/rod model is presented that describes one-dimensional behaviour of solids susceptible to large or small viscoelastic deformation. Derivation of its constitutive equation is underpinned by the fact that the internal energy, which the elastic... Read More about The generalized viscoelastic spring.

Transient ultrasonic guided wave simulation in layered composite structures using a hybrid wave and finite element scheme (2020)
Journal Article
Malik, M. K., Chronopoulos, D., & Tanner, G. (2020). Transient ultrasonic guided wave simulation in layered composite structures using a hybrid wave and finite element scheme. Composite Structures, 246, https://doi.org/10.1016/j.compstruct.2020.112376

A guided wave simulation method for layered composites based on the wave and finite element scheme is presented. An approach for calculating complex displacement fields such as those generated from piezoelectric transducers is developed. The scatteri... Read More about Transient ultrasonic guided wave simulation in layered composite structures using a hybrid wave and finite element scheme.

Multilevel double loop Monte Carlo and stochastic collocation methods with importance sampling for Bayesian optimal experimental design (2020)
Journal Article
Beck, J., Mansour Dia, B., Espath, L., & Tempone, R. (2020). Multilevel double loop Monte Carlo and stochastic collocation methods with importance sampling for Bayesian optimal experimental design. International Journal for Numerical Methods in Engineering, 121(15), 3482-3503. https://doi.org/10.1002/nme.6367

An optimal experimental set-up maximizes the value of data for statistical inferences. The efficiency of strategies for finding optimal experimental set-ups is particularly important for experiments that are time-consuming or expensive to perform. In... Read More about Multilevel double loop Monte Carlo and stochastic collocation methods with importance sampling for Bayesian optimal experimental design.

Trace Mineral Intake and Deficiencies in Older Adults Living in the Community and Institutions: A Systematic Review (2020)
Journal Article
Welham, S. J. M., Vural, Z., Avery, A., Kalogiros, D. I., Coneyworth, L. J., & Welham, S. J. (2020). Trace Mineral Intake and Deficiencies in Older Adults Living in the Community and Institutions: A Systematic Review. Nutrients, 12(4), https://doi.org/10.3390/nu12041072

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. The global population is ageing with many older adults suffering from age-related malnutrition, including micronutrient deficiencies. Adequate nutrient intake is vital to enable older adults t... Read More about Trace Mineral Intake and Deficiencies in Older Adults Living in the Community and Institutions: A Systematic Review.

Eremenko's Conjecture for Functions with Real Zeros: The Role of the Minimum Modulus (2020)
Journal Article
Nicks, D. A., Rippon, P. J., & Stallard, G. M. (2021). Eremenko's Conjecture for Functions with Real Zeros: The Role of the Minimum Modulus. International Mathematics Research Notices, 2021(18), 13946-13974. https://doi.org/10.1093/imrn/rnaa020

We consider the class of real transcendental entire functions f of finite order with only real zeros and show that if the iterated minimum modulus tends to 8, then the escaping set I(f) of f has the structure of a spider's web, in which case Eremenko... Read More about Eremenko's Conjecture for Functions with Real Zeros: The Role of the Minimum Modulus.