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Multi-period portfolio selection with drawdown control

Peter Nystrup, Stephen Boyd, Erik Lindström, Henrik Madsen
2018 Annals of Operations Research  
Then, a bottom-up strategy is applied. All bottom time series are modelled by corresponding control variables, e.g.  ...  Existing works focus on point forecasts through the lens of linear models. We apply nonlinear models to investigate the impact of oil price on higher moments of the growth.  ...  Monte Carlo results show that a forecasting procedure based on the OSDPC compares favourably with other forecasting methods based on dynamic factor models.  ... 
doi:10.1007/s10479-018-2947-3 fatcat:haworusnrfcqvlmkmbidfwb5wu

Grand Challenges in Protoplanetary Disc Modelling

Thomas J. Haworth, John D. Ilee, Duncan H. Forgan, Stefano Facchini, Daniel J. Price, Dominika M. Boneberg, Richard A. Booth, Cathie J. Clarke, Jean-François Gonzalez, Mark A. Hutchison, Inga Kamp, Guillaume Laibe (+9 others)
2016 Publications Astronomical Society of Australia  
This paper reports on the discussions collectively concerned with the multi-physics modelling of protoplanetary discs, including the self-consistent calculation of gas and dust dynamics, radiative transfer  ...  This paper is not intended to be a review, but rather to motivate and direct future research and collaboration across typically distinct fields based on community-driven input, to encourage further progress  ...  We also particularly thank Phil Armitage for comments on the paper.  ... 
doi:10.1017/pasa.2016.45 fatcat:3ue3pudqtfbdvg7yrxacscvyu4

Plantwide Optimizing Control of a continuous bioethanol production process

Silvia Ochoa, Günter Wozny, Jens-Uwe Repke
2010 Journal of Process Control  
A mis padres por su amor y apoyo incondicional. A Huguis por ser mi inspiración y el sol de mi vida.  ...  the Metropolis-Monte Carlo algorithm.  ...  Two different PWOC approaches have been considered: A Single-Layer Direct Optimizing Control approach, denoted in the following as PWOC-one-layer, and a Multi-Layer without Coordination approach denoted  ... 
doi:10.1016/j.jprocont.2010.06.010 fatcat:abcw5volcve5bepqszg5n64xdu

Priorities for child safety in the European Union: Agenda for action

Joanne Vincenten, Andrej Michalsen
2002 Injury control and safety promotion  
This material was then summarized and further complemented by the Authors' work. The following chapters have been mainly written by the Authors, but are based on input provided by Contributors.  ...  The Contributors produced the bulk of the material used during the different sessions of the Research Priority Workshop.  ...  Another direction is seen in the development of Monte Carlo simulation based probabilistic models that can handle dynamic systems in a more appropriate manner.  ... 
doi:10.1076/icsp.9.1.1.3326 pmid:12462158 fatcat:wdobgthqmzb6demvdq2ye4vxai

Breaking Earth's shell into a global plate network

C. A. Tang, A. A. G. Webb, W. B. Moore, Y. Y. Wang, T. H. Ma, T. T. Chen
2020 Nature Communications  
A growing consensus suggests that multi-plate tectonics was preceded by cooling through a single-plate lithosphere, but models for how this lithosphere was first broken into plates have not converged on  ...  Here we use 3D spherical shell models to demonstrate a self-organized fracture mechanism analogous to thermal expansion-driven lithospheric uplift, in which globe-spanning rifting occurs as a consequence  ...  ., thickness multiplied by modulus) should generally control fracture initiation and growth, we are able to validate our approach by comparing results of a thin shell (20 km) model with a high elastic  ... 
doi:10.1038/s41467-020-17480-2 pmid:32681054 fatcat:pw2qxk6xpjbntmjjk2zixbms2m

Nucleation, Growth, and Aggregation of Mineral Phases: Mechanisms and Kinetic Controls [chapter]

Liane G. Benning, Glenn A. Waychunas
2008 Kinetics of Water-Rock Interaction  
about molecular modeling approaches are outlined in Chap. 2.  ...  These processes depend on a plethora of chemical and physical parameters that control and strongly affect the formation of new nuclei, the growth of a new crystal, or the aggregation behavior of clusters  ...  LGB acknowledges financial support for this work from the UK Natural Environmental Research Council (grant no: NER/A/S/2002/00761, and NE/C004566/1) and The Leverhulme Trust grant (Ref. #F/00122/F).  ... 
doi:10.1007/978-0-387-73563-4_7 fatcat:efgrzou7hngrbktghsaalpwc5a

Finite element techniques and models for wood fracture mechanics

Svetlana Vasic, Ian Smith, Eric Landis
2004 Wood Science and Technology  
Numerical models for wood fracture and failure are commonly based on the finite element method. Most of these models originate from general theoretical considerations for other materials.  ...  As for other materials, wood fracture and failure models always require some degree of experimental calibration, which can introduce ambiguity into numerical predictions because at present there is a high  ...  Monte Carlo analysis procedures are used to produce a set of pseudo experimental data.  ... 
doi:10.1007/s00226-004-0255-3 fatcat:tgip7q3ckfepfcyqexmikjzsda

Recrystallization in hot vs cold deformed commercial aluminum: a microstructure path comparison

R.A. Vandermeer, D. Juul Jensen
2003 Acta Materialia  
The influence of cold deformation on the precipitation sequence and its interaction with recrystallization was also investigated. The DSC  ...  Non-constant growth rates depending on local grain environments were also observed during Monte Carlo simulations for single phase grain growth in two and three dimensions.  ...  The state transition function in Monte Carlo models is a reduction in the local free energy.  ... 
doi:10.1016/s1359-6454(03)00112-5 fatcat:gg45mclmkjbp3n7yvy5dinwmdu

Degradation Due to Neutron Embrittlement of Nuclear Vessel Steels: A Critical Review about the Current Experimental and Analytical Techniques to Characterise the Material, with Particular Emphasis on Alternative Methodologies [chapter]

Diego Ferreno, Inaki Gorrochategui, Federico Gutierrez-Sol
2011 Nuclear Power - Control, Reliability and Human Factors  
Then, as K I controls the stress-strain field in the fracture process zone (mode I), breaking will occur when K I reaches a determined critical value, which will be dependent on the material.  ...  Techniques… 227 production is essentially based on molecular dynamics (Stoller et al., 1997) and Monte Carlo numerical simulations (Wirth & Odette, 1999) , combined with indirect experimental measurements  ... 
doi:10.5772/20244 fatcat:zelxy75buneznnpasegddvcjsu

Challenges in Ceramic Science: A Report from the Workshop on Emerging Research Areas in Ceramic Science

Gregory S. Rohrer, Mario Affatigato, Monika Backhaus, Rajendra K. Bordia, Helen M. Chan, Stefano Curtarolo, Alex Demkov, James N. Eckstein, Katherine T. Faber, Javier E. Garay, Yury Gogotsi, Liping Huang (+15 others)
2012 Journal of The American Ceramic Society  
Finally, the ability to simulate ceramics, from electronic structure calculations, 11, 12 kinetic Monte Carlo simulations, 13 mesoscale simulations, 14 and finite element models 15 have kept pace  ...  grain growth, as well as the crystallographic texture.  ... 
doi:10.1111/jace.12033 fatcat:db4tmfdrtvaodiad3owdjhmngq

Book Of Abstracts - 12Th Res Users'Conference

Red Española De Supercomputación
2018 Zenodo  
Book of abstracts of the 12th Users' Conference of the Spanish Supercomputing Network, which was held in Valencia on September 20th 2018.  ...  However, the epitaxial growth of a material on top of a substrate is not trivial and presents different requirements.  ...  DNS of thermal heat flux at high Reynolds numbers and low Prandtl numbers 5. Atomistic modelling of materials for renewable energy applications 6.  ... 
doi:10.5281/zenodo.1325102 fatcat:3cctfoatjvei7lffoyhr3zhltu

Apatite thermochronology in modern geology

F. Lisker, B. Ventura, U. A. Glasmacher
2009 Geological Society Special Publication  
Fission-track and (U-Th-Sm)/He thermochronology on apatites are radiometric dating methods that refer to thermal histories of rocks within the temperature range of 408-125 8C.  ...  These programs differ in modelling approach (Monte Carlo and/or genetic algorithm), annealing models, input parameters and statistical tests to evaluate the level of fit between model results and observed  ...  Most recent developments in modelling include a strategy for modelling sample thermal histories jointly ) and the use of Markov Chain Monte Carlo (MCMC) methods to address the problem of characterizing  ... 
doi:10.1144/sp324.1 fatcat:lcgaatlwsfccro7hjfka7ihln4

Update and review of control options for Campylobacter in broilers at primary production

EFSA Panel on Biological Hazards (BIOHAZ), Konstantinos Koutsoumanis, Ana Allende, Avelino Alvarez‐Ordóñez, Declan Bolton, Sara Bover‐Cid, Robert Davies, Alessandra De Cesare, Lieve Herman, Friederike Hilbert, Roland Lindqvist, Maarten Nauta (+11 others)
2020 EFSA Journal  
Campylobacter flock prevalence, updating the modelling approach for interventions that reduce caecal concentrations and reviewing scientific literature.  ...  The updated model resulted in lower estimates of impact than the model used in the previous opinion.  ...  The distributions are obtained from Monte Carlo simulations with 250.000 iterations.  ... 
doi:10.2903/j.efsa.2020.6090 pmid:32874298 pmcid:PMC7448041 fatcat:pxv25yk7hvhb5elwg5mlxm7n5y

Grafting acoustic instruments and signal processing: Creative control and augmented expressivity

Dan Overholt
2013 Journal of the Acoustical Society of America  
The effect of two different rooms on acoustical and perceptual measures of mixed choir sound. Kathryn S. Hom (  ...  Sacred Harp singing, a common type of shape-note singing, is a centuries-old tradition of American community choral music.  ...  A Monte Carlo approach to determining marine mammal exposure risk to long term marine piling operations. Paul A.  ... 
doi:10.1121/1.4830794 fatcat:2sexsmbypjcozjctnorzoiy7te

Multiscale modelling for fusion and fission materials: the M4F project

L. Malerba, M.J. Caturla, E. Gaganidze, C. Kaden, M.J. Konstantinović, P. Olsson, C. Robertson, D. Rodney, A.M. Ruiz-Moreno, M. Serrano, J. Aktaa, N. Anento (+62 others)
2021 Nuclear Materials and Energy  
This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version  ...  Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.  ...  spin relaxations (typically 100-1000) after each atomic exchange (for equilibrium Monte Carlo) or vacancy jump (for kinetic Monte Carlo).  ... 
doi:10.1016/j.nme.2021.101051 fatcat:d3nwcbaeqjfmnoqzfnrpxhewrq
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