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Spectrum of CHL Dyons from Genus-Two Partition Function
Atish Dabholkar, Davide Gaiotto
We compute the genus-two chiral partition function of the left-moving heterotic string for a CHL orbifold. The required twisted determinants can be evaluated explici…
Why Z_{BH} = |Z_{top}|^2
Chris Beasley, Davide Gaiotto, Monica Guica +3
It is argued, using an M-theory lift, that the IIA partition function on a euclidean AdS_2 x S^2 x CY_3 attractor geometry computes the modified elliptic genus Z_BH of the associat…
The M5-Brane Elliptic Genus: Modularity and BPS States
Davide Gaiotto, Andrew Strominger, Xi Yin
The modified elliptic genus for an M5-brane wrapped on a four-cycle of a Calabi-Yau threefold encodes the degeneracies of an infinite set of BPS states in four dimensions. By holom…
Supersymmetric states of N=4 Yang-Mills from giant gravitons
Indranil Biswas, Davide Gaiotto, Subhaneil Lahiri +1
Mikhailov has constructed an infinite family of 1/8 BPS D3-branes in AdS(5) x S**5. We regulate Mikhailov's solution space by focussing on finite dimensional submanifolds. Our subm…
From AdS3/CFT2 to Black Holes/Topological Strings
Davide Gaiotto, Andrew Strominger, Xi Yin
The elliptic genus Z_{BH} of a large class of 4D black holes can be expressed as an M-theory partition function on an AdS_3xS^2xCY_3 attractor. We approximate this partition functi…