Entwurf einer verallgemeinerten Relativitätstheorie und einer Theorie der Gravitation. [Outline of a Generalized Theory of Relativity and of a Theory of Gravitation]. ALBERT EINSTEIN, MARCEL GROSSMANN.
Entwurf einer verallgemeinerten Relativitätstheorie und einer Theorie der Gravitation. [Outline of a Generalized Theory of Relativity and of a Theory of Gravitation]
Entwurf einer verallgemeinerten Relativitätstheorie und einer Theorie der Gravitation. [Outline of a Generalized Theory of Relativity and of a Theory of Gravitation]

Entwurf einer verallgemeinerten Relativitätstheorie und einer Theorie der Gravitation. [Outline of a Generalized Theory of Relativity and of a Theory of Gravitation]

"One of the turning-points in the development of relativity theory. Einstein had realized that he could proceed no further without expert mathematical help, and called upon his friend Michael Grossmann to supply it. Using the tensor calculus, the two were able to write a mathematical representation of gravitation representing a tenfold expansion from Newton's single gravitational potential - yet Einstein, with the problems of physical interpretation still unresolved, backed away from the necessity of considering ten corresponding field equations" -Norman 693.

FIRST EDITION, COMMERCIAL OFFPRINT ISSUE, of Einstein’s breakthrough work on general relativity: the famous “Entwurf” paper.

“In this book, Einstein and Grossman investigated curved space and curved time as they relate to a theory of gravity. They presented virtually all the elements of the general theory of relativity with the exception of one striking omission: gravitational field equations that were not generally covariant. Einstein soon reconciled himself to this lack of general covariance through the ‘hole argument,’ which sought to establish that generally covariant gravitational field equations would be physically uninteresting. Einstein did not adopt the gravitational field equations until late in 1915 in his final formulations of the general theory. Here, Einstein contributed the physics and Grossman the mathematics” (Calaprice, The Einstein Almanac, 40). Weil 59a.

Offprint from Zeitschrift für Mathematik und Physik, volume 62. Leipzig and Berlin: Teubner, 1913. Octavo, original wrappers; custom box. Pencil notation on title. Small chips at spine ends. An outstanding copy, without any of the cover-foxing so common with this issue.

Price: $2,900 .

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