Can Light Speed Exceed 'c' in Alternative Physics Theories?

member 11137
I beg my pardon in advance for the stupidity of my question.

Is there any "Behind the standard model" paper, document, crazzy theory, essay... exploring a universe where the speed of the light would have several upper limit: c, 2c, 3c, ... N. c? (with c = 3. 108 meter/second)

That is.
 
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