Showing posts with label
Topology
.
Show all posts
Showing posts with label
Topology
.
Show all posts
Friday, November 25, 2016
Clifford Stoll: Numberphile: A Hole in a Hole in a Hole
Clifford Stoll
Michael Spivak
Comprehensive Introduction to Differential Geometry
Hole in a hole in a hole
Thursday, April 28, 2016
Tadashi Tokieda: Perplexing Paperclips
Brunnian link
Borromean rings
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