Quantum Gravity

@inproceedings{lvarez2004QuantumG,
  title={Quantum Gravity},
  author={Enrique {\'A}lvarez},
  year={2004}
}
General lectures on quantum gravity. 1 General Questions on Quantum Gravity It is not clear at all what is the problem in quantum gravity (cf. [3] or [8] for general reviews, written in the same spirit as the present one). The answers to the following questions are not known, and I believe it can do no harm to think about them before embarking in a more technical discussion. To begin, it has been proposed that gravity should not be quantized, owing to its special properties as determining the… 

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