منابع مشابه
Categories for the practising physicist
In this chapter we survey some particular topics in category theory in a somewhat unconventional manner. Our main focus will be on monoidal categories, mainly symmetric ones, for which we propose a physical interpretation. Special attention is given to the category of sets and relations, posetal categories, diagrammatic calculi, strictification, compact categories, biproduct categories and abst...
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The Royal SwediSh academy of ScienceS has as its aim to promote the sciences and strengthen their influence in society.
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Overexposures in computed tomography: In several institutions, overexposures have occurred during use of x-ray computed tomography (CT) for brain perfusion studies to identify 10 the neurological consequences of strokes and other events. In some cases, patients received exposures that were several times greater than necessary. The overexposures were caused by use of inappropriate CT protocols f...
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ژورنال
عنوان ژورنال: Nature
سال: 2014
ISSN: 0028-0836,1476-4687
DOI: 10.1038/514168e