3-Manifolds - http://www.math.unl.edu/~mbrittenham2/ldt/3mfld.html
Links to low-dimensional topology resources. |
Crystallographic Topology - http://www.ornl.gov/sci/ortep/topology.html
The Topology of Crystallographic Groups and Simple Crystal Structures |
Geometric Topology - http://www.ics.uci.edu/~eppstein/junkyard/topo.html
Numerous links in the Geometry Junkyard. |
Manifolds and Cell Complexes - http://www.math.niu.edu/~rusin/known-math/index/57-XX.html
Section 57 in Dave Rusin's Mathematical Atlas. |
The Optiverse and Other Sphere Eversions - http://www.math.uiuc.edu/~jms/Papers/isama/
Article by John M. Sullivan on sphere eversions, with numerous illustrations. |