What is U-duality? and Why U-duality is important?
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In string theory, we know three dualities.
S-duality: Extension of Electric-magnetic duality, Duality between strongly coupled qft and weakly coupled qft. (One of the typical example is Seiberg duality in sqft)
T-duality: In short R↔1RR↔1R
U-duality: In M theory perspective, U-duality usually means T+S duality.(???)
But I am wondering about the last part, U-duality
S-duality: Extension of Electric-magnetic duality, Duality between strongly coupled qft and weakly coupled qft. (One of the typical example is Seiberg duality in sqft)
T-duality: In short R↔1RR↔1R
U-duality: In M theory perspective, U-duality usually means T+S duality.(???)
But I am wondering about the last part, U-duality
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Hey mate here is your answer in attachment
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