Planck-Scale Soccer-Ball Problem: A Case of Mistaken Identity
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چکیده
منابع مشابه
Planck-Scale Soccer-Ball Problem: A Case of Mistaken Identity
Over the last decade, it has been found that nonlinear laws of composition of momenta are predicted by some alternative approaches to “real” 4D quantum gravity, and by all formulations of dimensionally-reduced (3D) quantum gravity coupled to matter. The possible relevance for rather different quantum-gravity models has motivated several studies, but this interest is being tempered by concerns t...
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Paragangliomas (PG) are rare tumors of the autonomic nervous system. Their origin takes part in the neural crest cells, which produce neuropeptides and catecholamines [1]. In 1050% of cases, they are hereditary, beginning at younger ages. In 80-90% of abdominal PG and 5-10% of head and neck PG, catecholamine production can cause arterial hypertension, headache, palpitations, anxiety and weight ...
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tion, may mediate or contribute to these findings. colleagues (1999) is to characterize the truncated pro-any, between hypocretins and HLA-DQB1*0602 in hu-19, 248–257. mans. HLA class II molecules, such as HLA-DQB1*0602, are expressed in the nervous system and bind peptides; whether or not a particular peptide is bound depends on which antigen is expressed. If HLA-DQB1*0602 binds hypocretins, i...
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The idea that Lorentz-symmetry in momentum space could be modified but still remain observer-independent has received quite some attention in the recent years. This modified Lorentz-symmetry, which has been argued to arise in Loop Quantum Gravity, is being used as a phenomenological model to test possibly observable effects of quantum gravity. The most pressing problem in these models is the tr...
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Recent discovery of the Large-billed Reed Warbler (Acrocephalus orinus) in museums and in the wild significantly expanded our knowledge of its morphological traits and genetic variability, and revealed new data on geographical distribution of the breeding grounds, migration routes and wintering locations of this species. It is now certain that A. orinus is breeding in Central Asia; however, the...
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ژورنال
عنوان ژورنال: Entropy
سال: 2017
ISSN: 1099-4300
DOI: 10.3390/e19080400