I am interested in knowing if there are any introductory textbooks on relativistic non-instantaneous action-at-a-distance interactions. The abstracts that I've read on this topic recently [1] http://arxiv.org/PS_cache/hep-th/pdf/0611/0611297.pdf [Broken] seem very interesting and I would like to learn more.(adsbygoogle = window.adsbygoogle || []).push({});

I have also read that Henri PoincarĂ© proposed two laws of gravitational attraction compatible with the principle of relativity in July, 1905 http://www.univ-nancy2.fr/DepPhilo/walter/papers/b4.pdf [Broken] and I'm particularly interested in knowing what he was up to. I'm looking for a detailed and easy to understand mathematical explanation of his work. Any suggestions?

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# Relativistic non-instantaneous action-at-a-distance interactions

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