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"content": "nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqky223zcc4q69d8t0me4vg5uw8mw0yxeukjgvz6h92laqnenr0ajsgze5g0 nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq0l88929ze7h5h7g7pu7y0e0077c03zqtp9zk63zpx4gg7m2ypcnqmcvgna - I'm going to say a lot more about this. The nonrenormalizability of quantum gravity is less of a problem than the old conventional wisdom has it: we now know you can work out quantum corrections to the inverse square force law (below), etc:\n\nhttps://arxiv.org/abs/1209.3511\n\nRenormalization is a way to get a theory that works to indefinitely small distance scales. We don't know that we *need* a theory that works to indefinitely small distance scales, and the traditional criteria for renormalizability neglect the existence of nontrivial ultraviolet fixed points. The study of \"asymptotically safe gravity\" explores this:\n\n https://arxiv.org/abs/2003.00044\n\nI believe the obsessive quest for a renormalizable theory of quantum gravity led people down a lot of wrong paths.\n\nhttps://media.mathstodon.xyz/media_attachments/files/113/737/431/349/081/331/original/81299b2daceabaf9.jpg",
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