Hello friends:
I believe that I have been reading information from a few sites that might shed a bit of light on your questions. The information shows a bit of both families of thought. However as in all concepts we work with here your own decision as to what is viable is necessary.
http://www.matter-antimatter.com/kal...ein_theory.htm http://library.thinkquest.org/27930/stringtheory5.htm http://www.damtp.cam.ac.uk/user/gr/public/qg_ss.html
John