On f(R) gravity
classification
🌀 gr-qc
keywords
gravitysomeapproachapproachesconsideredcosmologydarkdifferent
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A review of the new of the problem of dark energy using modified gravity approach is considered. An explanation of the difficulties facing modern cosmology is given and different approaches are presented. We show why some models of gravity may suffer of instabilities and how some are inconsistent with observations.
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