Vinberg lecture part 2. The reflection group of II25,1
This lecture is part of a series which gives an expanded version of the Vinberg lecture on "Vinberg's algorithm and Kac-Moody algebras". This video is part 2 and describes Conway and Sloane's interpretation of Vinberg's results
Belolipetsky's survey paper is here https://arxiv.org/abs/1506.03111
Vinberg's paper can be found at
https://mathweb.tifr.res.in/sites/def...
The original version of the lecture is here:
https://amathr.org/Borcherds-vinberg/
For the other lectures see
• Vinberg lecture