"Pentcho Valev" wrote in message
...
For all waves (light waves included), when the observer starts moving
towards the wave source with a speed v, the speed of the waves relative to
him shifts from c to c'=c+v:


No. This is not true for light waves.
http://math.ucr.edu/home/baez/physic.../velocity.html or
http://en.wikipedia.org/wiki/Velocit..._of_relativity
both provide the correct formula.