30 citations · 104 across the 7 of their papers we have counts for
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astro-ph2007★ 14 cited
The use of genetic algorithm to model protoplanetary discs
A. Hetem, J. Gregorio-Hetem
The protoplanetary discs of T Tauri and Herbig Ae/Be stars have been studied by using geometric disc models to fit their spectral energy distribution (SED). The simulations provide…
astro-ph1995★ 15 cited
Evidence for a Very Large-Scale Fractal Structure in the Universe from Cobe Measurements
E. M. de Gouveia Dal Pino, A. Hetem, J. E. Horvath +3
In this work, we analyse the temperature fluctuations of the cosmic microwave background radiation observed by COBE and show that the distribution can be fitted by a fractal distri…