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Relativity without Spacetime (Repost)

Posted By: AvaxGenius
Relativity without Spacetime (Repost)

Relativity without Spacetime by Joseph K. Cosgrove
English | EPUB(True) | 2018 | 196 Pages | ISBN : 3319726307 | 1.9 MB

In 1908, three years after Einstein first published his special theory of relativity, the mathematician Hermann Minkowski introduced his four-dimensional “spacetime” interpretation of the theory. Einstein initially dismissed Minkowski’s theory, remarking that “since the mathematicians have invaded the theory of relativity I do not understand it myself anymore.” Yet Minkowski’s theory soon found wide acceptance among physicists, including eventually Einstein himself, whose conversion to Minkowski’s way of thinking was engendered by the realization that he could profitably employ it for the formulation of his new theory of gravity.

Noncommutative Spacetimes: Symmetries in Noncommutative Geometry and Field Theory (Repost)

Posted By: AvaxGenius
Noncommutative Spacetimes: Symmetries in Noncommutative Geometry and Field Theory (Repost)

Noncommutative Spacetimes: Symmetries in Noncommutative Geometry and Field Theory by Paolo Aschieri
English | PDF | 2009 | 205 Pages | ISBN : 3540897925 | 2.2 MB

There are many approaches to noncommutative geometry and to its use in physics. This volume addresses the subject by combining the deformation quantization approach, based on the notion of star-product, and the deformed quantum symmetries methods, based on the theory of quantum groups.