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Suekdccia

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- Has Edward Witten made any theory or model that proposes (or is compatible with the proposal) that all mathematically possible universes exist (as Max Tegmark did)?

Physicist Max Tegmark proposed that every mathematically possible universe exists [1]. According to Tegmark himself, when he published such ideas, he received mostly positive feedback from Edward Witten and David Vogan [2].

Due to this, I was wondering whether Witten has made reference to Tegmark's work in any of his papers or talks?. Or, to put it in another way, I was wondering if Witten has made any model or theory in any of his works that would be compatible with this hypothesis that every mathematically possible universe may physically exist?

[1]: https://arxiv.org/abs/0704.0646

[2]: https://www.vice.com/en/article/ezv...ity-an-interview-with-cosmologist-max-tegmark

Due to this, I was wondering whether Witten has made reference to Tegmark's work in any of his papers or talks?. Or, to put it in another way, I was wondering if Witten has made any model or theory in any of his works that would be compatible with this hypothesis that every mathematically possible universe may physically exist?

[1]: https://arxiv.org/abs/0704.0646

[2]: https://www.vice.com/en/article/ezv...ity-an-interview-with-cosmologist-max-tegmark