Greg Egan's Schild's Ladder is a 2002 science-fiction novel featuring many interesting concepts from relativity and quantum field theory. A lot is explained on his website gregegan.net on which this talk is based on. It doesn't include spoilers for the novel besides a rough introduction in the central topics from the first chapters, but will go over all the concepts explored in it.
There will also be a talk about the concepts from Greg Egan's Incandescence: XXXX
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