منابع مشابه
The incredible shrinking organelle.
considering its central role in energy metabolism in almost all eukaryotes, the mitochondrion is an amazingly plastic organelle, both evolutionarily and functionally. the few genes that the mitochondrial genome (mito chondrial DNa; mtDNa) encodes are clearly bacterial in origin —emanating from the α-proteobacterial lineage—supporting the widely held view that the mitochondrion is the evolutiona...
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Using M(atrix) Theory, the dualities of toroidally compactified M-theory can be formulated as properties of super Yang Mills theories in various dimensions. We consider the cases of compactification on one, two, three, four and five dimensional tori. The dualities required by string theory lead to conjectures of remarkable symmetries and relations between field theories as well as extremely unu...
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Covariance estimation is a key step in many target detection algorithms. To distinguish target from background requires that the background be well-characterized. This applies to targets ranging from the precisely known chemical signatures of gaseous plumes to the wholly unspecified signals that are sought by anomaly detectors. When the background is modelled by a (global or local) Gaussian or ...
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Initial claims that REM sleep is important in the consolidation of all memories have been revised and reduced to the claim that sleep has a role only in the consolidation of procedural learning. Now, Walker hypothesizes that sleep has no role in the “stabilization phase of consolidation” but only in the “enhanced learning” phase of procedural learning. Evidence for this vague, truncated hypothe...
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How much can pruning algorithms teach us about the fundamentals of learning representations in neural networks? A lot, it turns out. Neural network model compression has become a topic of great interest in recent years, and many different techniques have been proposed to address this problem. In general, this is motivated by the idea that smaller models typically lead to better generalization. ...
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ژورنال
عنوان ژورنال: EMBO reports
سال: 2011
ISSN: 1469-221X,1469-3178
DOI: 10.1038/embor.2011.168