A Derivation of Special Relativity without Invoking Group Theory

From: Eugene Shubert (GalileoProject002_at_everythingimportant.org)
Date: 01/24/05 

Date: 24 Jan 2005 10:32:23 -0800

Symmetry groups are undeniably basic but why must spacetime have a
group structure? The answer to this question is delightfully simple.
The Poincaré group follows from the homogeneity of time. If you're
interested in a revolutionary new approach to special relativity,
inspect my proof carefully. I derive special relativity without
postulating the existence of any group structure. My axioms are
intuitive: Time is to be defined with motion and all time
computations can be performed with homogeneous functions.

See the updated
http://www.everythingimportant.org/relativity/special.pdf

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