On Sunday, May 10, 2020 at 9:09:51 AM UTC-5, Philip Thrift wrote:
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> On Sunday, May 10, 2020 at 7:20:16 AM UTC-5, Bruno Marchal wrote:
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>> On 10 May 2020, at 13:45, Philip Thrift wrote:
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>> cf.
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I read a paper on how spacetime on the level of special relativity can be
built from "magma." This is not hot molten rock in the Earth, but a
groupoid construction. This was a while ago, almost 10 years, but I read it
well; I had to for I was a referee on it. I can't find it right now, but I
On Sunday, May 10, 2020 at 7:20:16 AM UTC-5, Bruno Marchal wrote:
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> On 10 May 2020, at 13:45, Philip Thrift >
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> cf.
> https://www.researchgate.net/publication/325907723_A_gentle_introduction_to_Schwinger's_formulation_of_quantum_mechanics_The_groupoid_picture
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> On 10 May 2020, at 13:45, Philip Thrift wrote:
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> cf.
> https://www.researchgate.net/publication/325907723_A_gentle_introduction_to_Schwinger's_formulation_of_quantum_mechanics_The_groupoid_picture
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