78 citations · 208 across the 7 of their papers we have counts for
7 papers
Deformations of Maxwell Superalgebras and Their Applications
Sotirios Bonanos, Joaquim Gomis, Kiyoshi Kamimura +1
We describe the Lie algebra deformations of D=4 Maxwell superalgebra that was recently introduced as the symmetry algebra of a kappa-symmetric massless superparticle in a supersymm…
On the Cayley-Hamilton Theorem for Supermatrices
Sotirios Bonanos, Kiyoshi Kamimura
We present a conjecture for expressing the coefficients in the Cayley-Hamilton theorem for supermatrices in terms of supertraces. The conjecture is tested for several supermatrix d…
Maxwell Superalgebra and Superparticle in Constant Gauge Backgrounds
Sotirios Bonanos, Joaquim Gomis, Kiyoshi Kamimura +1
We present SuperMaxwell algebra: an N=1, D=4 algebra with two Majorana supercharges, obtained as the minimal enlargement of superPoincare containing the Maxwell algebra as a subalg…
Infinite Sequence of Poincare Group Extensions: Structure and Dynamics
Sotirios Bonanos, Joaquim Gomis
We study the structure and dynamics of the infinite sequence of extensions of the Poincar{é} algebra whose method of construction was described in a previous paper [1]. We give exp…
A note on the Chevalley-Eilenberg Cohomology for the Galilei and Poincare Algebras
Sotirios Bonanos, Joaquim Gomis
We construct in a systematic way the complete Chevalley-Eilenberg cohomology at form degree two, three and four for the Galilei and Poincare groups. The corresponding non-trivial f…
On a choice of the Bondi radial coordinate and news function for the axisymmetric two-body problem
S. Bonanos
In the Bondi formulation of the axisymmetric vacuum Einstein equations, we argue that the ``surface area'' coordinate condition determining the ``radial'' coordinate can be conside…
Vacuum spacetimes with a spacelike, hypersurface-orthogonal Killing vector: reduced equations in a canonical frame
S. Bonanos
The Newman-Penrose equations for spacetimes having one spacelike Killing vector are reduced -- in a geometrically defined "canonical frame'' -- to a minimal set, and its differenti…