Bahram Mashhoon

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The conceptual basis for a classical nonlocal generalization of
Einstein's theory of gravitation is presented. The framework of general
relativity is enlarged by the introduction of a preferred frame field; then,
history dependence is introduced. Nonlocality --- in the sense of an
influence ("memory") from the past that endures --- could be a natural
feature of the universal gravitational interaction. Nonlocal gravity is
formally analogous to the nonlocal electrodynamics of media. The nonlocal
aspect of gravity can simulate dark matter. The implications of nonlocal
gravity theory for the problem of dark matter in galaxies, clusters of
galaxies, and cosmology are discussed.

Special Colloquium honoring Friedrich Hehl's 80th birthday.

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University of Missouri
HS III
Contact: Claus Kiefer