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Efficient Identification of Assembly Neurons within Massively Parallel Spike Trains
2010
Computational Intelligence and Neuroscience
Although such massively parallel recordings are now becoming available, methods able to analyze such data for spike correlation are still rare, as a combinatorial explosion often makes it infeasible to ...
By evaluating pattern complexity distributions the existence of correlated groups can be detected, but their member neurons cannot be identified. ...
on Systems Biology. ...
doi:10.1155/2010/439648
pmid:19809521
pmcid:PMC2754663
fatcat:eh63btukzrgv7pkvtptphzcwdq
Angular momentum and clustering properties of early dark matter haloes
2009
Monthly notices of the Royal Astronomical Society
Calculating the spin distributions of these 10^6 - 10^7 halos in redshift slices from z = 15 - 6, we find that they are well fit by a log-normal distribution as is found for lower redshift and more massive ...
In both mass bins, higher spin halos are more strongly clustered in concordance with a tidal torquing picture for the growth of angular momentum in dark matter halos in the CDM paradigm. ...
ACKNOWLEDGMENTS The authors are grateful for the prompt and thoughtful comments of the referee, and for time allocation on two of Yale's super-computing clusters, Bulldog A and Bulldog H. A. J. ...
doi:10.1111/j.1365-2966.2008.14267.x
fatcat:cq5rrnnzqrezzobfxudrvivysy
CuBIC: cumulant based inference of higher-order correlations in massively parallel spike trains
2009
Journal of Computational Neuroscience
Here we describe a novel approach to infer higher-order correlations in massively parallel spike trains that is less susceptible to these problems. ...
Based on the superimposed activity of all recorded neurons, the cumulant-based inference of higher-order correlations (CuBIC) presented here exploits the fact that the absence of higher-order correlations ...
Acknowledgements We would like to thank Abigail Morrison, Imke Reimer, and Stefano Cardanobile for helpful comments on earlier versions of this manuscript. ...
doi:10.1007/s10827-009-0195-x
pmid:19862611
pmcid:PMC2940040
fatcat:ktndwz4isjcw5lyi66eykz3boi
Imprints of mass accretion on properties of galaxy clusters
2005
Monthly notices of the Royal Astronomical Society
The separation vector connecting the two most massive progenitor halos at z=0.5 is strongly correlated with the orientation of the cluster at z=0. ...
The mass of clusters in the merger sample is on average ~43% larger than the mass of the two progenitors (m_1 + m_2), whereas in the steady accretion mode sample a smaller increase of ~25% is found. ...
In the merger sample, the orbital angular momentum of the two most massive progenitors shows a strong impact on the angular momentum of the descendant. ...
doi:10.1111/j.1365-2966.2005.09386.x
fatcat:awbpsfknobha7ossncy6neghf4
Heavy residues and intermediate-mass fragment production in dissipative197Au+86Krcollisions atE/A=35 MeV
2001
Physical Review C
The characteristics of PLF and TLF yields and their correlation with neutron, light-charged particles, and intermediate-mass fragments ͑IMFs͒ are consistent with a scenario where essentially all collisions ...
Neutrons and charged light and intermediate-mass products from the 197 Auϩ 86 Kr reaction at E lab /A ϭ35 MeV were measured with 4 angular coverage, in coincidence with projectilelike ͑PLFs͒ and targetlike ...
Department of Energy under Grant Nos. DE-FG02-88ER-40414 ͑University of Rochester͒ and DE-FG02-87ER-40316 ͑Washington University at St. Louis͒. ...
doi:10.1103/physrevc.64.034603
fatcat:hcv7vxtbqrdd3an5hfwf3auuim
A revised age model for core PG1351 from Lake El'gygytgyn, Chukotka, based on magnetic susceptibility variations tuned to northern hemisphere insolation variations
2006
Journal of Paleolimnology
Acknowledgements We like to thank all the participants on the expedition to Lake El'gygytgyn in spring 1998 for recovering core PG1351. ...
In order to correlate the sediment properties from core PG1351 to the insolation data (Fig. 3) it was taken into account that insolation maxima do not occur in the middle but at the beginning of warm ...
Furthermore, magnetic susceptibility is anti-correlated to TiO 2 , and it shows values spanning not only between 50 and 100 % but nearly two orders of magnitude. ...
doi:10.1007/s10933-006-9023-8
fatcat:ovoszdhhz5hahai2ogepmtodga
Mutual Information of MIMO Transmission over Correlated Channels with Finite Symbol Alphabets and Link Adaptation
2010
2010 IEEE Global Telecommunications Conference GLOBECOM 2010
In this paper, results on the mutual information of MIMO transmission over spatially correlated channels in slow fading environments are presented. ...
spatial correlation. ...
Thus we expect only a minor impact of the non Gaussian noise distribution for higher order modulation and channels which are not severely ill conditioned. ...
doi:10.1109/glocom.2010.5683815
dblp:conf/globecom/OhlmerWF10
fatcat:zgt6llfjgrczbk7q2exnyay2mq
High performance parallel computing of flows in complex geometries: I. Methods
2009
Computational Science & Discovery
Authors are also grateful to teams of CERFACS involved in the management and maintenance of computing platforms (in particular the CSG group). ...
Furthermore, we acknowledge all people that contribute to this paper by means of discussions, support, direct help or corrections. ...
These results show the importance of nodes ordering, in the case of unstructured CFD solvers especially on massively parallel machines to simulate large scale industrial problems. ...
doi:10.1088/1749-4699/2/1/015003
fatcat:dayjshjvjjfqxcluvg7pruvff4
Statistical evaluation of synchronous spike patterns extracted by frequent item set mining
2013
Frontiers in Computational Neuroscience
the analysis scheme composed of FIM, PSF and PSR allows to reliably detect active assemblies in massively parallel spike trains. ...
By employing stochastic simulations of parallel spike trains with correlated activity in form of injected spike synchrony in subsets of the neurons, we demonstrate for a range of parameter settings that ...
Please also consult http://www.spiketrain-analysis. org for these codes and further information on the analysis of parallel spike trains. ...
doi:10.3389/fncom.2013.00132
pmid:24167487
pmcid:PMC3805944
fatcat:dcsjzfimfnfmjojc35lgojpgae
Detecting Multineuronal Temporal Patterns in Parallel Spike Trains
2012
Frontiers in Neuroinformatics
The analysis of coherent patterns of spatially and temporally distributed spiking activity on various timescales enables the immediate tracking of diverse qualities of coordinated firing related to neuronal ...
We present a non-parametric and computationally efficient method that detects spatiotemporal firing patterns and pattern sequences in parallel spike trains and tests whether the observed numbers of repeating ...
"), Gordon Pipa, Michael Wibral, Eugénio Rodriguez, and Anton Sirota for helpful discussions on various statistical topics, and Raoul-Martin Memmesheimer for carrying out some of the computations. ...
doi:10.3389/fninf.2012.00018
pmid:22661942
pmcid:PMC3357495
fatcat:frbmsmufwjcohd3aydqmajy3by
Are Lakshadweep Corals Heading Toward COT Outbreak?
2014
Atoll Research Bulletin
Over much of the study period, COT exhibited selective feeding on branching corals but then shifted to Pavona sp. during 2012. ...
Infestation along one transect rose from 3 COTs in 2010 to 18 COTs in 2012. ...
Venka Macintyre provided an English-language revision of this paper. ...
doi:10.5479/si.0077-5630.606
fatcat:72tt7c5ebrdshjvigdvrjq2s6a
The RMS survey: ammonia mapping of the environment of massive young stellar objects
2015
Monthly notices of the Royal Astronomical Society
We derive the spatial distribution of the kinetic gas temperatures, line widths, and NH_3 column densities from these maps, and by combining these data with dust emission maps we estimate clump masses, ...
There is a strong spatial correlation between the peak NH3 emission and the presence of embedded objects. ...
from the embedded massive stars not having a significant impact on the dynamics of the clumps. ...
doi:10.1093/mnras/stv1514
fatcat:if6uoq6trjgeret6j4cnugheqe
Linear momentum and angular momentum transfer in the reactions ofO16withSm154
1987
Physical Review C
The reconstruction of the initial partial wave distributions from correlated measurements of linear momentum and angular momentum transfers is addressed. ...
At the higher energy, the correlation between angular momentum transfer and linear momentum transfer has been obtained over the entire range of linear momentum transfer. ...
the data could be recast in terms of the initial partial waves or impact parameter contributing to particular mass or momentum transfers. ...
doi:10.1103/physrevc.35.149
pmid:9953748
fatcat:h7hce3sivbfkrd24zrqu2kihkq
Central peaks in lunar craters
1975
The Moon
Finally, the question of distribution of peak orientations remains. Only one third of the massive central peaks are reasonably circular in plan view. ...
The coincidence was noted between average slopes for peaks with and without summit pits. Coincidences between these two groups show up in most of the other comparisons of the data also. ...
doi:10.1007/bf00577935
fatcat:r4lbfk4mfvhmnadx5qtedvstty
GPU-accelerated Simulation of Massive Spatial Data based on the Modified Planar Rotator Model
[article]
2019
arXiv
pre-print
Consequently, massive data sets comprising millions of data points can be automatically processed in less than one second on an ordinary GPU. ...
The present study takes advantage of the short-range nature of the interactions between the MPR variables to parallelize the algorithm on graphics processing units (GPU) in the Compute Unified Device Architecture ...
Consequently, massive data sets comprising millions of data points can be automatically processed in less than one second on an ordinary GPU. ...
arXiv:1811.01604v2
fatcat:udgoreomnbb2zd3f4uebwcc6im
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