Nikita Sopenko: Invertible states of quantum lattice spin systems and their invariants

New channel Global Noncommutative Geometry Seminar: title sample judged 'whole' (A research seminar archive of advanced noncommutative geometry talks, nearly all genuine expert technical lectures with ); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.