Results 81 to 90 of about 3,127,622 (352)

Lagrangian Perturbation Theory for Biased Tracers: Significance of the Number Conservation

open access: yesThe Astrophysical Journal
The Lagrangian perturbation theory provides a simple yet powerful way of computing the nonlinear matter power spectrum, and it has been applied to biased tracers such as halos and galaxies.
Peter Espenshade, Jaiyul Yoo
doaj   +1 more source

A coiled‐coil domain triggers oligomerization of MmpL10, the mycobacterial transporter of trehalose polyphleate precursor

open access: yesFEBS Letters, EarlyView.
Most MmpLs transport lipids and glycolipids of the complex mycomembrane of mycobacteria. This study shows that MmpL10 from Mycobacterium smegmatis, the transporter of the trehalose polyphosphate precursor, harbors a coiled‐coil‐like extension. Biochemical and electron microscopy studies demonstrate that the coiled‐coil enables MmpL10 to trimerize.
Julie Couston   +7 more
wiley   +1 more source

Turbulence and Magnetic Fields in the Large Scale Structure of the Universe

open access: yes, 2008
The nature and origin of turbulence and magnetic fields in the intergalactic space are important problems that are yet to be understood. We propose a scenario in which turbulent flow motions are induced via the cascade of the vorticity generated at ...
Cho, Jungyeon   +3 more
core   +1 more source

The large scale structure of the universe

open access: yesNuclear Physics B, 1985
Abstract Observational data on galaxies and clusters of galaxies are reviewed in the context of how they relate to the large scale structure of the Universe. Various methods of interpreting these data are discussed.
openaire   +2 more sources

Multiscaling and nonextensivity of large-scale structures in the Universe [PDF]

open access: yesPhysica D: Nonlinear Phenomena, 2002
There has been a trend in the past decade to describe the large-scale structures in the Universe as a (multi)fractal set. However, one of the main objections raised by the opponents of this approach deals with the transition to homogeneity. Moreover, they claim there is not enough sampling space to determine a scaling index which characterizes a (multi)
Reinaldo R. Rosa   +3 more
openaire   +4 more sources

Cell‐free and extracellular vesicle microRNAs with clinical utility for solid tumors

open access: yesMolecular Oncology, EarlyView.
Cell‐free microRNAs (cfmiRs) are small‐RNA circulating molecules detectable in almost all body biofluids. Innovative technologies have improved the application of cfmiRs to oncology, with a focus on clinical needs for different solid tumors, but with emphasis on diagnosis, prognosis, cancer recurrence, as well as treatment monitoring.
Yoshinori Hayashi   +6 more
wiley   +1 more source

Continuous, Evolutionary and Large-Scale: A New Perspective for Automated Mobile App Testing [PDF]

open access: yesarXiv, 2018
Mobile app development involves a unique set of challenges including device fragmentation and rapidly evolving platforms, making testing a difficult task. The design space for a comprehensive mobile testing strategy includes features, inputs, potential contextual app states, and large combinations of devices and underlying platforms.
arxiv  

Practical statistics for the voids between galaxies [PDF]

open access: yesSerbian Astronomical Journal, 2010
The voids between galaxies are identified with the volumes of the Poisson Voronoi tessellation. Two new survival functions for the apparent radii of voids are derived. The sectional normalized area of the Poisson Voronoi tessellation is modelled
Zaninetti L.
doaj   +1 more source

Crosstalk between gut microbiota and tumor: tumors could cause gut dysbiosis and metabolic imbalance

open access: yesMolecular Oncology, EarlyView.
In this research, we analyzed the relationship between gut microbiota and tumor. We discovered that both subcutaneous and metastatic tumors would alter the composition and metabolic function of gut microbiota. Meanwhile, fecal microbiota transplantation also indicated the anti‐tumor role of the gut microbiota, revealing the crosstalk between tumor and ...
Siyuan Zhang   +8 more
wiley   +1 more source

Fast Stochastic Algorithms for Low-rank and Nonsmooth Matrix Problems [PDF]

open access: yesarXiv, 2018
Composite convex optimization problems which include both a nonsmooth term and a low-rank promoting term have important applications in machine learning and signal processing, such as when one wishes to recover an unknown matrix that is simultaneously low-rank and sparse.
arxiv  

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