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Assessing Risk in the Retail Environment during the COVID-19 Pandemic

Autor: Budd, C., Calvert, K., Johnson, S., Tickle, S. O.

The COVID-19 pandemic has caused unprecedented disruption, particularly in retail. Where essential demand cannot be fulfilled online, or where more stringent measures have been relaxed, customers must visit shop premises in person. This naturally giv

Externí odkaz: http://arxiv.org/abs/2011.09277

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The Geometry of r-adaptive meshes generated using Optimal Transport Methods

Autor: Budd, C. J., Russell, R. D., Walsh, E.

The principles of mesh equidistribution and alignment play a fundamental role in the design of adaptive methods, and a metric tensor M and mesh metric are useful theoretical tools for understanding a methods level of mesh alignment, or anisotropy. We

Externí odkaz: http://arxiv.org/abs/1409.5361

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The Alignment Properties of Monge-Ampere based Mesh Redistribution Methods: I Linear Features

Autor: Budd, C. J., Russell, R. D., Walsh, E.

Many adaptive mesh methods explicitly or implicitly use equidistribution and alignment. These principles can be considered central to mesh adaption. A Metric Tensor is the tool by which one describes the desired level of mesh anisotropy. In contrast

Externí odkaz: http://arxiv.org/abs/1402.5453

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The Origin of Power-Law Emergent Scaling in Large Binary Networks

Autor: Almond, D. P., Budd, C. J., Freitag, M. A., Hunt, G. W., McCullen, N. J., Smith, N. D.

In this paper we study the macroscopic conduction properties of large but finite binary networks with conducting bonds. By taking a combination of a spectral and an averaging based approach we derive asymptotic formulae for the conduction in terms of

Externí odkaz: http://arxiv.org/abs/1204.5601

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Autor: Budd, C. R., Galaktionov, V. A.

We propose nonlinear parabolic equations of Monge--Amp\'ere (M--A) type that admit regional, single poin, and global blow-up of similarity type. A similar model is derived for a fourth-order M--A flow.
Comment: 43 pages, 23 figures

Externí odkaz: http://arxiv.org/abs/0906.4233

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