Mathematics
and Interactions
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Videos linked to 20F10 Word problems, other decision problems, connections with logic and automataMore +
![Drawing curves on surfaces or: how I learned to stop worrying and love train-tracks]()
52:47published on January 20, 2026Drawing curves on surfaces or: how I learned to stop worrying and love train-tracks
By Saul Schleimer
![Cryptosystems Based on Group-Theoretic Problems: A Survey, New Results, Open Problems]()
46:33published on April 14, 2016Cryptosystems Based on Group-Theoretic Problems: A Survey, New Results, Open Problems
By Delaram Kahrobaei
![Relative growth of subgroups in finitely generated groups]()
44:13published on April 14, 2014Relative growth of subgroups in finitely generated groups
By Alexander Olshanskii
