Algebra, Group Theory Monster Group (a little extra bit) – Tim Burness – Numberphile May 12, 2020 — 0 Comments

Algebra, Group Theory Symmetry and the Monster – Professor Mark Ronan – Gresham College Lectures May 10, 2020 — 0 Comments

Geometry, Pattern Forbidden crystal symmetry in mathematics and architecture – Roger Penrose May 8, 2020 — 0 Comments

Group Theory, Pattern Symmetry, reality’s riddle – Marcus du Sautoy – Ted-Ed May 7, 2020 — 0 Comments