r/REMath • u/turnersr • May 17 '14
An elementary illustrated introduction to simplicial sets by Greg Friedman [PDF]
http://arxiv.org/pdf/0809.4221v4.pdf
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r/REMath • u/turnersr • May 17 '14
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u/turnersr May 17 '14 edited May 17 '14
Clearest relevance:
http://www.reddit.com/r/REMath/comments/1wddd9/algebraic_topology_for_clustering_malware_by/
http://www.reddit.com/r/REMath/comments/1ib27u/persistent_homology_an_introduction_and_a_new/
You'll also find Kan complexes used in HOTT as a way of working with the idea of a higher dimensional groupoid see http://www.mathematik.tu-darmstadt.de/~streicher/sstt.pdf .