The Search for Binaries in Post-Asymptotic Giant Branch Stars: Do Binary Companions Shape the Nebulae?

by Bruce J. Hrivnak
Published 2012-03-01

On Orbits of the Ring Zmn under Action of the Group SL(m, Zn)

by P. Novotný, J. Hrivnák
Published 2005-01-01

Spectroscopic and Photometric Variability of Three Oxygen Rich Post-AGB “Shell” Objects

by Griet C. Van de Steene, Bruce J. Hrivnak, Hans Van Winckel, Julius Sperauskas, David Bohlender
Published 2018-12-01