fxdung Messages 387 Reaction score 23 Thread starter Aug 26, 2016 #1 I do not know why can they classify 5 theories of superstring.Is that correct that they base on different symmetries?
I do not know why can they classify 5 theories of superstring.Is that correct that they base on different symmetries?
haushofer Science Advisor Insights Author Messages 3,085 Reaction score 1,608 Aug 28, 2016 #2 They are motivated because of different boundary conditions one can impose. This gives different theories, which however are related by dualities.
They are motivated because of different boundary conditions one can impose. This gives different theories, which however are related by dualities.