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QUASI MONTE CARLO INTEGRATION IN GRID ENVIRONMENTS: FURTHER LEAPING EFFECTS
2006
Parallel Processing Letters
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leaping effects, especially in heterogeneous settings which would be expected in GRID environments. ...
The splitting of Quasi-Monte Carlo (QMC) point sequences into interleaved substreams has been suggested to raise the speed of distributed numerical integration and to lower the traffic on the network. ...
Acknowledgments The work described in this paper is partially supported by the Austrian Grid Project, funded by the Austrian BMBWK (Federal Ministry for Education, Science and Culture) under contract GZ ...
doi:10.1142/s0129626406002654
fatcat:fcccak7345eknd6nazku5i77he
Grid-based Quasi-Monte Carlo Applications
2005
Monte Carlo Methods and Applications
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Abstracts -In this paper, we extend the techniques used in Grid-based Monte Carlo applications to Grid-based quasi-Monte Carlo applications. ...
However, the use of scrambled quasirandom sequence becomes a key to tackling this problem, and makes many of the techniques we used in Gridbased Monte Carlo applications effective in Grid-based quasi-Monte ...
model onto a Grid system to implement Grid-based quasi-Monte Carlo computing. ...
doi:10.1163/1569396054027265
fatcat:moikhslfmzeoljfehidx7y6ixy
Grid-based Quasi-Monte Carlo Applications
2005
Monte Carlo Methods and Applications
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Abstracts -In this paper, we extend the techniques used in Grid-based Monte Carlo applications to Grid-based quasi-Monte Carlo applications. ...
However, the use of scrambled quasirandom sequence becomes a key to tackling this problem, and makes many of the techniques we used in Gridbased Monte Carlo applications effective in Grid-based quasi-Monte ...
model onto a Grid system to implement Grid-based quasi-Monte Carlo computing. ...
doi:10.1515/1569396054027265
fatcat:tsmzitvg3faihdac55lax3adx4
Efficient Generation of Parallel Quasirandom Faure Sequences Via Scrambling
[chapter]
2007
Lecture Notes in Computer Science
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Much of the recent work on parallelizing quasi-Monte Carlo methods has been aimed at splitting a quasirandom sequence into many subsequences which are then used independently on the various parallel processes ...
Thus, we not only obtain the expected near-perfect speedup of the naturally parallel Monte Carlo methods, but the errors in the parallel computation is even smaller than if the computation were done with ...
The accuracy of quasi-Monte Carlo integration depends not simply on the dimension of the integrands, but on their effective dimension [23] . ...
doi:10.1007/978-3-540-72584-8_96
fatcat:stje5gi36zcnlff2knmptsqgyy
Very High Resolution Spaceborne SAR Tomography in Urban Environment
2010
IEEE Transactions on Geoscience and Remote Sensing
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Different model selection schemes for the estimation of the number of scatterers in a resolution cell are compared and proven to be applicable in practice. ...
This paper demonstrates the tomographic potential of these SARs and the achievable quality on the basis of TerraSAR-X spotlight data of urban environment. ...
A Monte Carlo simulation with 1000 realizations per SNR value was performed to evaluate the detection rates of different schemes. ...
doi:10.1109/tgrs.2010.2050487
fatcat:2cmueyvsfvdkpjrrpwlvv2eeg4
Stochastic approaches for modelling in vivo reactions
2004
Computational biology and chemistry
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In recent years, stochastic modelling has emerged as a physically more realistic alternative for modelling in vivo reactions. ...
We then describe recent efforts to include the fluctuation effects caused by the structural organisation of the cytoplasm and the limited diffusion of molecules due to macromolecular crowding. ...
The τ-leap method Choose a value for τ that satisfies the leap condition: i.e., a temporal leap by τ will result in a state change λ such that for every reaction channel R j , |a j (X+λ)−a j (X)| is "effectively ...
doi:10.1016/j.compbiolchem.2004.05.001
pmid:15261147
fatcat:bachzijekfdsfnmspzscewotcq
A hierarchical microstructure due to chemical ordering in the bcc lattice: Early stages of formation in a ferritic Fe–Al–Cr–Ni–Ti alloy
2015
Acta Materialia
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Kinetic-Monte-Carlo simulations support the observation of L2 1 nucleating within the B2 phase. ...
Monte-Carlo simulations confirm these observations and it is found that interface energies of B2 and L2 1 reduce from 50 mJ/m 2 at 0 K to 11 mJ/m 2 at 973 K. ...
The raw excess energies and polynomial fits are given in Figure 8b [ Figure 9 here]
Kinetic-Monte-Carlo Kinetic-Monte-Carlo simulations with Kawasaki dynamics were employed to gain further insight ...
doi:10.1016/j.actamat.2015.03.043
fatcat:wrb4qm2jgfgeffal7rph6ykesq
Particle-in-Cell with Monte Carlo Simulation of SPT-100 Exhaust Plumes
2002
Journal of Spacecraft and Rockets
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Therefore, the plume of the SPT-100 has been modeled in several studies.'~'" In this paper a two-dimensional, hybrid axisymmetric particle-in-cell (PIC)''~'* model using test-particle Monte Carlo (TPMC ...
The model takes into account the effects of nonisothermal electron temperature and the effects of violations of the quasi-neutral plasma hypothesis in the very near-field plume region. ...
doi:10.2514/2.3840
fatcat:vb734iyqqndr5b65tdg6apcphq
Modelling and simulation techniques for membrane biology
2007
Briefings in Bioinformatics
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Andre¤ Leier is a postdoctoral fellow in the Advanced Computational Modelling Centre at the University of Queensland, with research interests in Computational and Systems Biology, in particular stochastic ...
, spatiotemporal, and multi-scale models of cell signalling and genetic regulation and the roles of delay in cellular processes. ...
Further extensions of this idea have led to simulation environments that attempt to model the behaviour of lipid rafts in which both proteins and rafts can diffuse on the lattice [65] . ...
doi:10.1093/bib/bbm033
pmid:17693422
fatcat:llbbjzxk5neshji6qtex65sere
Amplitude estimation via maximum likelihood on noisy quantum computer
[article]
2020
arXiv
pre-print
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tasks such as the Monte Carlo methods. ...
One of those algorithms is based on the maximum likelihood estimate with parallelized quantum circuits; in this paper, we extend this method so that it can deal with the realistic noise effect. ...
The reason of this choice is that, to compute such a multiple integration with more than five variables, the Monte-Carlo method is usually employed rather than grid-based numerical integration approaches ...
arXiv:2006.16223v2
fatcat:yqk2uzvpf5finn66qh47pgbibm
Electron Accelerators for Research, Industry and Environment − the INCT Perspective
[article]
2019
Zenodo
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result of work carried out under the Horizon 2020 ARIES project and concerns the development of new technologies to ensure that future accelerators will be more affordable, reliable, sustainable and more effective ...
The calculation was made with application of computer program based on Monte Carlo method for pencil type electron beam with electron energy 10 MeV. ...
The computer simulations of circumferential dose distribution initiated by scanned electron beam in flat irradiated material were performed by Monte Carlo method with utilization of the software program ...
doi:10.5281/zenodo.3237553
fatcat:smhaeiblt5crbg5vzqpgjwayey
Modeling and Simulating Flowing Plasmas and Related Phenomena
2008
Space Science Reviews
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The magnetohydrodynamic (MHD), test-particle/Monte-Carlo and hybrid models used in simulating flowing plasmas are described. ...
The interested reader can find them derived in a variety of plasma physics text (cf. ...
These results are in very good agreement. Hence, the test-particle/Monte-Carlo approach is reasonable in this case. ...
doi:10.1007/s11214-008-9384-6
fatcat:yttni2uyerbqpmiegsdyuibt3a
Amplitude estimation via maximum likelihood on noisy quantum computer
2021
Quantum Information Processing
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computing tasks such as the Monte Carlo methods. ...
In this paper, we extend this method so that it incorporates the realistic noise effect, and then give an experimental demonstration on a superconducting IBM Quantum device. ...
The results presented in this paper were obtained in part using an IBM Quantum quantum computing system as part of the IBM Quantum Network. ...
doi:10.1007/s11128-021-03215-9
fatcat:o6khyafgwzdt7ml2cmtmsl7u2i
Dynamical Processes in Globular Clusters
[chapter]
2014
Astrophysics and Space Science Library
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2014 pre-print arXiv:1406.3487v1 fatcat:deoouxrfcjhvtfkg2llgajihtu
Globular clusters are among the most congested stellar systems in the Universe. ...
Internal dynamical evolution drives them toward states of high central density, while simultaneously concentrating the most massive stars and binary systems in their cores. ...
Freitag's Monte Carlo code, geared mainly to studies of galactic nuclei, interpolates encounter outcomes from a pre-computed grid of smoothed Particle Hydrodynamics (SPH) simulations [40] . ...
doi:10.1007/978-3-662-44434-4_10
fatcat:keqnifsgk5dvxapm4yhpybunqi
Smilei : A collaborative, open-source, multi-purpose particle-in-cell code for plasma simulation
2018
Computer Physics Communications
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2017 pre-print arXiv:1702.05128v1 fatcat:iz7lfd547jdrffurbhquk6aib4
SMILEI is a collaborative, open-source, object-oriented (C++) particle-in-cell code. ...
To benefit from the latest advances in high-performance computing (HPC), SMILEI is co-developed by both physicists and HPC experts. ...
For all quasi-particles (henceforth referred to as quasi-ions) of the considered species, a Monte-Carlo procedure has been implemented that allows to treat multiple ionization events in a single timestep ...
doi:10.1016/j.cpc.2017.09.024
fatcat:e3delqy6ongx3cv54cij4qople
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