233 citations
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4 papers · 1 filter
Gribov ambiguity in asymptotically AdS three-dimensional gravity
Andres Anabalon, Fabrizio Canfora, Alex Giacomini +1
In this paper the zero modes of the de Donder gauge Faddeev-Popov operator for three dimensional gravity with negative cosmological constant are analyzed. It is found that the thre…
The b Ghost of the Pure Spinor Formalism is Nilpotent
Osvaldo Chandia
The ghost for world-sheet reparametrization invariance is not a fundamental field in the pure spinor formalism. It is written as a combination of pure spinor variables which have c…
Remarks on the Myers-Perry and Einstein Gauss-Bonnet Rotating Solutions
A. Anabalon, N. Deruelle, D. Tempo +1
The Kerr-type solutions of the five-dimensional Einstein and Einstein-Gauss-Bonnet equations look pretty similar when written in Kerr-Schild form. However the Myers-Perry spacetime…
Complexity of Splits Reconstruction for Low-Degree Trees
Serge Gaspers, Mathieu Liedloff, Maya Stein +1
Given a vertex-weighted tree T, the split of an edge xy in T is min{s_x(xy), s_y(xy)} where s_u(uv) is the sum of all weights of vertices that are closer to u than to v in T. Given…