These subspaces increase with n. The 0-skeleton is a discrete space, and the 1-skeleton a topological graph. The skeletons of a space are used in obstruction theory, to construct spectral sequences by means of filtrations, and generally to make inductive arguments. They are particularly important when X has infinite dimension, in the sense that the Xn do not become constant as n → ∞.
Aruban Police Renew Search ; N"Skeleton" Photo Taken By Rapho Township Couple Spurs Divers To Look For Natalee Holloway's Remains.
Mar 23, 2010; Staff Writer Aruban police investigating the disappearance of Natalee Holloway renewed their search for skeletal remains Monday...