Cliff Reiter, Visual Dynamics of the Complex 3x+1 Function Revisited, Journal of J, 3 1 (2014) 12-20.

The complex escape time behavior of a complex generalization of the 3x+1 function is visually explored.

See also: · Jeffrey P. Dumont* and Clifford A. Reiter, Visualizing Generalized 3x+1 Function Dynamics, Computers & Graphics, 25 5 (2001) 883-898 [Images and Animations], [Abstract]