Abstract In this paper, we investigate the impact of the generalized uncertainty principle
(GUP), proposed by some approaches to quantum gravity such as string theory and doubly
special relativity theories (DSR), on black-hole physics. It turns out that such a modification
will give corrections to both the temperature and the entropy of black holes. In particular, the
proposed GUP also changes the picture of Hawking radiation greatly when the size of black holes approaches the Planck scale. It prevents black holes from total evaporation
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