Physical Interpretations of Relativity Theory (PIRT) consortium arranges conferences and publishes these Proceedings to explore the chief characteristics – including the advantages and disadvantages – of the various physical, geometrical, and mathematical interpretations of the formal structure of Relativity Theory, and to examine the philosophical, geometrical, and mathematical interpretations of the formal structure of Relativity Theory and to examine the philosophical and other questions concerning the various interpretations of the accepted mathematical expression of the Relativity Principle.

Support and assistance was provided particularly with respect to publicity, by the Europhysical Society; the Foundation Louis de Broglie: the London Mathematical Society; the Royal Astronomical Society; The Institute of Mathematics and its Applications; Institute of Physics; British Journal for Philosophy of Science; Foundations of Physics; General Relativity and Gravitation; International Journal of Theoretical Physics; American Institute of Physics; Bauman Moscow State Technical University and by other organizations.