The Official String Theory Web Site:--> Theatre :--> String Colloquium 13
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S - T - U Duality

S S duality: Sometimes Theory A at strong coupling is equivalent to Theory B at weak coupling.
T T duality: Sometimes Theory A with large compact dimensions is equivalent to Theory B with small compact dimensions.
U U duality: Sometimes Theory A at with large compact dimensions coupling is equivalent to Theory B at weak coupling.


The Second Superstring Revolution // String Theory: a multihistory


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