88 citations · 341 across the 9 of their papers we have counts for
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hep-th1992★ 31 cited
Green-Schwarz Formulation of Self-Dual Superstring
W. Siegel
The self-dual superstring has been described previously in a Neveu-Schwarz-Ramond formulation with local N=2 or 4 world-sheet supersymmetry. We present a Green-Schwarz-type formula…
hep-th1992★ 88 cited
Self-Dual N=8 Supergravity as Closed N=2(4) Strings
W. Siegel
As open N=2 or 4 strings describe self-dual N=4 super Yang-Mills in 2+2 dimensions, the corresponding closed (heterotic) strings describe self-dual ungauged (gauged) N=8 supergravi…
hep-th1992★ 58 cited
The N=4 string is the same as the N=2 string
W. Siegel
We redo the quantization of the N=4 string, taking into account the reducibility of the constraints. The result is equivalent to the N=2 string, with critical dimension D=4 and sig…