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Browsing Mathematics & Statistics by Title

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  • Vynnycky, Michael; Masuda, Y (American Institute of Physics, 2013)
    The problem of fast viscous steady Rayleigh-Bénard convection in a rectangular enclosure is revisited using asymptotic and numerical methods. There are two generic cases: in the first, there is zero shear stress at all ...
  • Gaburro, Romina; Lionheart, William R. B. (Institute of Physics Publishing, 2009)
    We discuss the inverse problem of determining the anisotropic conductivity of a body described by a compact, orientable, Riemannian manifold M with boundary @M, when measurements of electric voltages and currents are ...
  • Sheikhi, Ali; Janghorbani, Mohsen; Soleimani, Bahram (Irish Statistical Association, 2010)
    no abstract available
  • Sharp, Linda; Walsh, Cathal Dominic; Whyte, Sophie; Tilson, Lesley; O'Ceilleachair, Alan; Usher, Cara; Tappenden, Paul; Chilcott, James; Staines, Anthony; Barry, Michael; Comber, Harry (Nature Publishing Group, 2013)
    In his letter, Dr O’Mahony (2012) makes two main points. The first of these relates to the number of alternatives explored during our assessment of colorectal cancer screening in Ireland (Sharp et al, 2012), and the ...
  • Nicoletti, Sara; Fanelli, Duccio; Zagli, Niccolò; Asllani, Malbor; Battistelli, Giorgio; Carletti, Timoteo; Chisci, Luigi; Innocenti, Giacomo; Livi, Roberto (AIP Publishing, 2019)
    A stochastic reaction-diffusion model is studied on a networked support. In each patch of the network, two species are assumed to interact following a non-normal reaction scheme. When the interaction unit is replicated ...
  • Lapin, Vladimir Nikolaevich (University of Limerick, 2011)
    The present thesis studies the problem of scattering of large-scale waves by surface currents in the ocean. It has been known for more than a century that corresponding linear equations governing propagation of small ...
  • Do Ha, II; MacKenzie, Gilbert (SAGE Publications, 2010)
    Correlated survival times can be modelled by introducing a random effect, or frailty component, into the hazard function. For multivariate survival data we extend a non-PH model, the generalized time-dependent logistic ...
  • MacKenzie, Gilbert; Do Ha, II (IWSM, 2013)
    The focus is mainly, but, not solely, on longitudinal randomised controlled clinical trials. The paper aims to delineate the role of frailty in the modern analysis of such trials and also in longitudinal survival studies. ...
  • Devine, Mel T. (University of Limerick, 2012)
    In recent years the daily gas demand in the UK and Ireland has become increasingly uncertain. This due to the changing nature of electricity markets, where intermittent wind energy levels lead to variations in the demand ...
  • Louzada-Neto, Francisco; Cremasco, Caroline Pires; MacKenzie, Gilbert (Gowas Publishers, 2010)
    Lifetimes which satisfy a non-proportional hazard model may arise in several areas, such as, Medicine, Biometrics, Criminology and Industrial Reliability. For these data it is reasonable to presume that the hazard function ...
  • Kopteva, Natalia; Pickett, Maria (American Mathematical Society, 2012)
    An overlapping Schwarz domain decomposition is applied to a semilinear reaction-diffusion equation posed in a smooth two-dimensional domain. The problem may exhibit multiple solutions; its diffusion parameter epsilon(2) ...
  • Benilov, Eugene; Benilov, M.S. (American Physical Society, 2016)
    We examine a rarefied gas with inter-molecular attraction. It is argued that the attraction force amplifies random density fluctuations by pulling molecules from lower-density regions into high-density regions and thus may ...
  • Davoren, Martin P.; Hayes, Kevin; Horgan, Mary; Shiely, Frances (BMJ Publishing Group, 2014)
    Objective The burden of sexually transmitted infections (STIs) rests with young people, yet in Ireland there has been very little research into this population. The purpose of this study was to determine the incidence ...
  • Kopteva, Natalia; O'Riordan, Eugene (Institute for Scientific Computing and Informaton, 2010)
    This article reviews some of the salient features of the piecewise-uniform Shishkin mesh. The central analytical techniques involved in the associated numerical analysis are explained via a particular class of singularly ...
  • Ambartsoumian, G.; Felea, R.; Krishnan, V.P.; Nolan, Clifford J.; Quinto, E.T. (2018)
    In this article, we consider two bistatic cases arising in synthetic aperture radar imaging: when the transmitter and receiver are both moving with different speeds along a single line parallel to the ground in the same ...
  • Lee, William T.; Kaar, S.; O'Brien, Stephen B.G. (American Assocation of Physics Teachers, 2018)
    A surprising phenomenon witnessed by many is the sinking bubbles seen in a settling pint of stout beer. Bubbles are less dense than the surrounding fluid so how does this happen? Previous work has shown that the explanation ...
  • Khan, F; Walsh, Cathal Dominic; Lane, S.J; Moloney, E (Irish Medical Organisation, 2014)
    Sleep apnoea (OSAS) is a multisystem disorder. There is a high prevalence of cardiovascular and metabolic morbidities in patients investigated for sleep apnoea. We aim to evaluate any association between cardiovascular, ...
  • Cregan, Vincent; Lee, William T.; Clune, Louise (SpringerOpen, 2017)
    A soft sensor for measuring product quality in the Bayer process has been developed. The soft sensor uses a combination of historical process data recorded from online sensors and laboratory measurements to predict a key ...
  • Cribbin, Laura B. (University of Limerick, 2013)
    Under the influence of regional groundwater ow, pollution in an aquifer can migrate to streams or wells. This can have catastrophic consequences for human health and local ecosystems. Fortunately, there is a suite of ...
  • Bandeira, Afonso; Bell, Christopher G.; Charpin, Jean P. F.; Gaburro, Romina; Soussi, Sofiane; Wilson, Eddie R. (2009)
    The design of solar panels is investigated. Different aspects of this problem are presented. A formula averaging the solar energy received on a given location is derived first. The energy received by the collecting solar ...

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