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Ensembl 2007
2007
Nucleic Acids Research
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The Ensembl (http://www.ensembl.org/) project provides a comprehensive and integrated source of annotation of chordate genome sequences. ...
Over the past year the number of genomes available from Ensembl has increased from 15 to 33, with the addition of sites for the mammalian genomes of elephant, rabbit, armadillo, tenrec, platypus, pig, ...
ACKNOWLEDGEMENTS The Ensembl project is principally funded by the Wellcome Trust with additional funding from EMBL, NIH-NIAID and BBSRC. ...
doi:10.1093/nar/gkl996
pmid:17148474
pmcid:PMC1761443
fatcat:7x6v5vzkhfbbhptb3ctp2oeqvu
Confining ensemble of dyons
2007
Physical Review D
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2007 accepted arXiv:0704.3181v2 fatcat:t4qpznvqqjfdpjjof3mdhdo7gyOther Versions
The ensemble of dyons governed by the measure is mathematically described by a (supersymmetric) quantum field theory that is exactly solvable and is remarkable for a number of striking features: 1) The ...
a calculable string tension roughly independent of temperature; 3) The average spatial Wilson loop falls off exponentially with its area and the same string tension; 4) At a critical temperature the ensemble ...
Our aim is to demonstrate that the integration measure over dyons has a drastic, probably a decisive effect on the ensemble of dyons, that the ensemble can be mathematically described by an exactly solvable ...
doi:10.1103/physrevd.76.056001
fatcat:w4bxwduzbfeljiul7tvtvufz2q
Locally accessible information from multipartite ensembles
[article]
2007
arXiv
pre-print
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We present a universal Holevo-like upper bound on the locally accessible information for arbitrary multipartite ensembles. ...
A part of the ensemble R a . ...
,n is the postmeasurement ensemble obtained after the measurement in the nth step
the ensemble states ρ B1B2,... ...
arXiv:0711.2787v2
fatcat:km3ot43xjzahfi7cqulam4tugy
The entropy of randomized network ensembles
2007
Europhysics letters
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2007 accepted arXiv:0708.0153v2 fatcat:7krfglggfzfjth7uwqkmsvnusuOther Versions
We characterize these randomized network ensembles by their entropy, i.e. the normalized logarithm of the total number of networks which are part of these ensembles. ...
the ensembles with homogeneous degree distribution indicating a higher level of order in scale-free networks. ...
The complexity of a given ensemble of networks increases as the number of networks in the ensemble decreases. ...
doi:10.1209/0295-5075/81/28005
fatcat:axreqngdmbcbnap6uf6slub324
Statistical ensemble equivalence problem
[article]
2007
arXiv
pre-print
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A problem of the equivalence of statistical ensembles is critically analyzed. ...
This property is an universal one and can be observed even in the simplest case of the grand canonical and canonical ensembles of the classical statistical physics. ...
This means V → ∞,N → ∞,N V =n , (3) for the canonical ensemble and V → ∞, N → ∞, N V = n , (4) for the grand canonical ensemble. ...
arXiv:0711.2173v1
fatcat:7jw4fqxx3zd2hmpyeajnmg7ggq
Morphing ensemble Kalman filters
2008
Tellus: Series A, Dynamic Meteorology and Oceanography
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A new type of ensemble filter is proposed, which combines an ensemble Kalman filter (EnKF) with the ideas of morphing and registration from image processing. ...
The ensemble members are represented as the composition of one common state with a spatial transformation, called registration mapping, plus a residual. ...
For surveys of EnKF techniques, see Evensen (2007) and Tippett et al. (2003) . ...
doi:10.1111/j.1600-0870.2007.00275.x
fatcat:rsdtyxnt7nhtja3m5lxnrbrrw4
Ensemble Averageability in Network Spectra
2007
Physical Review Letters
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2007 accepted arXiv:0705.1175v2 fatcat:uzwf2fgxtvgxlixs2xbcdetvuqOther Versions
Here we investigate this question explicitly and validate the concept of ensemble averageability in random scale-free networks by showing that the ensemble distributions of extreme eigenvalues converge ...
A fundamental open question is whether the eigenvalues of large networks are well represented by ensemble averages. ...
This problem is properly defined for ensembles of networks and involves two elements: determination of the ensemble averages and characterization of the fluctuations across the ensemble. ...
doi:10.1103/physrevlett.98.248701
pmid:17677999
fatcat:2cv6ty6gmvd3te6wx2a2uawcce
Complexity of hierarchical ensembles
[article]
2008
arXiv
pre-print
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The latter is found explicitly for self-similar ensemble and generalized for arbitrary hierarchical trees. ...
Time dependencies are found for both the probability distribution over ensemble states and the related complexity. ...
Respectively, growth of the variance increases the disorder of statistical ensemble dramatically and the discrete nature of the ensemble becomes inessential. ...
arXiv:0712.0011v4
fatcat:7kk4jb3g7nfffb35xfu5h3jntm
Quantum master equation for the microcanonical ensemble
2007
Physical Review E
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particular interest to describe relaxation and decoherence in nanosystems where the environment can have a finite number of degrees of freedom and the equivalence between the microcanonical and the canonical ensembles ...
is compromised and only the microcanonical ensemble can be used a priori. ...
In the same sense that the microcanonical ensemble is more fundamental than the canonical ensemble, our master equation is more fundamental then the Redfield equations. ...
doi:10.1103/physreve.76.041134
pmid:17994963
fatcat:a5rz7kpjdffx7l3w4abz2zrlti
Gaussian fluctuations for β Ensembles
[article]
2007
arXiv
pre-print
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We study the Circular and Jacobi β-Ensembles and prove Gaussian fluctuations for the number of points in one or more intervals in the macroscopic scaling limit. ...
Introduction The circular β ensemble with n points, or CβE n , was introduced by Dyson, [7] , as a simplification of previous random matrix ensembles. ...
For the circular ensemble, we need one preliminary. ...
arXiv:math/0703140v1
fatcat:flz2katcdvabxhvndsdjhf57za
Typicality for Generalized Microcanonical Ensembles
2007
Physical Review Letters
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2007 pre-print arXiv:0710.4214v1 fatcat:fhxqh5fkbrb7rgtgsgg6n2fpey
For a macroscopic, isolated quantum system in an unknown pure state, the expectation value of any given observable is shown to hardly deviate from the ensemble average with extremely high probability under ...
For a subsystem weakly coupled to a large heat bath, the canonical ensemble is recovered under much more general and realistic assumptions than those implicit in the usual microcanonical description of ...
The finding that (18) does not depend on the unknown details of the equilibrium ensemble ρ also sheds new light on the usual information theoretical "derivation" of the microcanonical ensemble [7] : While ...
doi:10.1103/physrevlett.99.160404
pmid:17995226
fatcat:dgpxbe5o6ja35ozm4nasan73vu
Mailles et ensembles de Sidon
[article]
2007
arXiv
pre-print
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Parmi les ensembles de Sidon se trouvent les ensembles quasi-indépendants, dont voici la définition : Λ est quasi-indépendant si la relation γ∈Λ ε γ γ = 0 (ε γ ∈ {−1, 0, 1}) n'a lieu que lorsque tous les ...
L'une des définitions des ensembles de Sidon est l'égalité de ces espaces comme ensembles : A(Λ) = c 0 (Λ).On dit qu'une fonction F définie sur un intervalle réel ouvertI contenant O "opère dans A(Λ)" ...
arXiv:0709.4383v1
fatcat:4yggufgz4bg43gwsg26ovine3y
Entiers aléatoires, ensembles de Sidon, densité dans le groupe de Bohr et ensembles d'analyticité
[article]
2007
arXiv
pre-print
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On dit que E est un ensemble d'analyticité si cela a lieu en remplaçant A(G) par A(E). Ni les ensembles de Helson ni les ensembles de Sidon ne sont ensembles d'analyticité. ...
Il á eté conjecturé que tout ensemble de Sidon soit une réunion finie d'ensembles I 0 . Il s'ensuivrait que l'adhérence d'un ensemble de Sidon soit un ensemble de Helson dans B, [5] . ...
arXiv:0705.4261v1
fatcat:v6fqg6tuujbpzdor74wyn6ng74
Fast ensemble smoothing
2007
Ocean Dynamics
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2006 pre-print arXiv:nlin/0603075v1 fatcat:cljvyzlb7beijmvqheiwhuf6ci
ensemble application the additional increment is a small fraction of either filtering or model propagation costs. ...
In this paper, we use an ensemble-based approach to fixed-interval and fixed-lag smoothing, and synthesize two algorithms. ...
The form of the update in (3) states that the updated (analysis) ensemble is obtained by transforming the forecast state ensemble with the N by N matrix X5 t constructed from the forecast ensemble and ...
doi:10.1007/s10236-006-0098-6
fatcat:i3s3en3cmnejdlxfz57flnhjoq
From Boltzmann-Gibbs ensemble to generalized ensembles
[article]
2011
arXiv
pre-print
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These three ensembles are characterized by the conservation of their sizes. ...
We reconsider the Boltzmann-Gibbs statistical ensemble in thermodynamics using the multinomial coefficient approach. ...
the ensemble. ...
arXiv:0712.2310v3
fatcat:oibcjicp2bcmvf5z5oxouubt3y
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