166 citations · 1.7k across the 49 of their papers we have counts for
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astro-ph2008★ 40 cited
Invariant manifolds and the response of spiral arms in barred galaxies
P. Tsoutsis, C. Kalapotharakos, C. Efthymiopoulos +1
The unstable invariant manifolds of the short-period family of periodic orbits around the unstable Lagrangian points and of a barred galaxy define loci in the configura…
astro-ph2008★ 166 cited
Three-dimensional numerical simulations of the pulsar magentoshere: Preliminary results
Constantinos Kalapotharakos, Ioannis Contopoulos
We investigate the three-dimensional structure of the pulsar magnetosphere through time-dependent numerical simulations of a magnetic dipole that is set in rotation. We developed o…
astro-ph2008★ 11 cited
The rate of secular evolution in elliptical galaxies with central masses
Constantinos Kalapotharakos
We study a series of body simulations representing elliptical galaxies with central masses. Starting from two different systems with smooth centres, which have initially a tria…