Clusters and Large-Scale Structure
Searching for filaments and large-scale structure around DAFT/FADA clusters
... 2.3. Reliability tests of the galaxy selection To test the reliability of our density maps, we made several tests on MACS J0717 +3745, a bright cluster for which hun- dreds of spectroscopic redshifts are available. Our ...
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THE WAVE MECHANICS OF LARGE-SCALE STRUCTURE
... Abstract. I review the basic “gravitational instability” model for the growth of structure in the expanding Universe. This model requires the existence of small initial irregularities in the density of a largely ...
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Voids and the large-scale structure of the Universe
... the large scale Universe, since they continue increasing their dimensions dominating the volume of the Universe, while, on the con- trary, rich dense regions increase in density but not in ...and ...
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Large-Scale Structure with 21cm Intensity Mapping
... have large inhomogeneities in our Local Universe (galaxy clusters, groups of galaxies, galaxies, voids) which are even more pronounced on small scales (different galactic components, globular clus- ters, ...
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Observing Galaxy Evolution in the Context of Large-Scale Structure
... Galaxy Clusters and Proto-clusters The first galaxy clusters, hosted within dark matter halos with masses of a few ×10 13 M , are ex- pected assemble at z ∼ 2-3, with space densities ranging from 10 ...
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The Role of Baryons and Neutrinos in the Evolution of Large-Scale Structure
... and clusters (GGCs) hold a privileged position within the cosmologi- cal ...of large cosmological hydrodynamical simulations with realistic ‘sub-grid’ prescriptions for baryonic ...of ...
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Supermassive Black Holes, Large Scale Structure and Holography
... of large scale structure in the universe provides an upper bound on the mass of supermassive black holes at the center of large scale structures with matter density varying as 1 2 r as ...
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Large-scale Structure and Galaxy Formation in non-standard Cosmologies
... ies to study galaxy clustering and weak gravitational lensing. These measurements will constrain cosmological parameters and alternative gravity models. The Euclid survey is designed to measure the near infrared ...
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MapReduce: Ordering and Large Scale Indexing on Large Clusters
... process large amounts of raw data, such as crawled documents, web request logs, ...graph structure of web documents,. However, the input data is usually large and the computations have to be ...
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Rethinking large-scale economic modeling for efficiency: optimizations for GPU and Xeon Phi clusters
... the large heterogeneity of the economic model) with efficient data structures, a time iteration algorithm (that deals with the recursive nature of the problem formulation), and with hybrid HPC compute paradigms ...
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Large Scale Simulation on Clusters using COMSOL 4.2
... many processors are used in a parallel run, a program's speedup will be limited by its fraction of sequential code (a fraction of the code that doesn't lend itself to parallelism). T[r] ...
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Predictive analysis of a hydrodynamics application on large scale CMP clusters
... Abstract We present the development of a predictive per- formance model for the high-performance computing code Hydra, a hydrodynamics benchmark developed and main- tained by the United Kingdom Atomic Weapons Establish- ...
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Performance-aware Speculative Resource Oversubscription for Large-scale Clusters
... Resource mismatch: Current approaches leverage the cluster resource states (i.e. available idle or revocable re- sources) to perform oversubscription decisions, and do so via piggybacking on regular cluster scheduler ...
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Performance-Aware Speculative Resource Oversubscription for Large-Scale Clusters
... Resource mismatch: Current approaches leverage the cluster resource states (i.e. available idle or revocable re- sources) to perform oversubscription decisions, and do so via piggybacking on regular cluster scheduler ...
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Scalable Load Balancing for Large-scale Web Server Clusters
... address” by which it masks the addresses of the web servers. The load balancer receives client requests and sends the requests to a web server based on the scheduling algorithm. Because of the rapid development of ...
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A Large Deviation Principle at play in Large-Scale Structure cosmology
... of Large Deviation Theory to the problem of structure growth on large- scale structure ...a Large Deviation Principle holds for the densities on the corresponding shells after ...
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The large-scale Structure and dynamics of the local universe
... The velocity fields from both this recon- struction and that of the PSCz survey are compared to the observed peculiar velocities of98local type la supernovae (SNia).. These results are [r] ...
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Universality in large scale structure of complete genomes
... the large amounts of repeats in both prokaryotes [1] and eukaryotes [2, 3]; the preponderance of paralogs (genes) and pseudogenes in all life forms [4, 5]; chromosome segment exchanges that seem to characterize ...
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A Large Scale Semantic Structure for Chinese Sentences
... syntactic structure of a phrase or sentence for selected text, based on the current research in Chinese syntax and the linguistic expertise of those involved in this ...
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A large-scale community structure analysis in Facebook
... community structure of this network, considering the perspective of the communities, which has not yet been studied on such a large ...social structure, and opens space for further social ...
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