Quasi-convex density and determining subgroups of compact abelian groups
Keywords: Dual group; Pontryagin-van Kampen duality; Compact open topology; Compact group; Abelian group; Quasi-convex set; Quasi-convex density; AuÃenhofer-Chasco theorem; Dense subgroup; Determined group; Convergent sequence; Super-sequence; Hofmann-Morris