What are some theories about the art of the Cyclades islands?

Answer 1

See:

Department of Greek and Roman Art. “Early Cycladic Art and Culture.” In reilbunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. http://www.metmuseum.org/toah/hd/ecyc/hd_ecyc.htm (October 2004)

"1. Figures in Cycladic Art" by Celia H. Romani

The function & meaning of the Cycladic figurines