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Showing 2007 · hep-thShow all
3 papers · 2 filters
hep-th2007★ 27 cited
Conservation laws and scattering for de Sitter classical particles
S. Cacciatori, V. Gorini, A. Kamenshchik +1
Starting from an intrinsic geometric characterization of de Sitter timelike and lightlike geodesics we give a new description of the conserved quantities associated with classical…
hep-th2007★ 24 cited
Two loop superstring amplitudes and S_6 representations
Sergio Cacciatori, Francesco Dalla Piazza
In this paper we describe how representation theory of groups can be used to shorten the derivation of two loop partition functions in string theory, giving an intrinsic descriptio…
hep-th2007★ 38 cited
Geometry of four-dimensional Killing spinors
S. L. Cacciatori, M. M. Caldarelli, D. Klemm +2
The supersymmetric solutions of N=2, D=4 minimal ungauged and gauged supergravity are classified according to the fraction of preserved supersymmetry using spinorial geometry techn…