Tetrahedron Conjecture in the ${\ell }_2$-norm

Levente Bodnár, Wanfang Chen, Jinghua Deng +5

The famous Tetrahedron Conjecture of Turán from the 1940s asserts that the number of edges in an $n$-vertex $3$-graph without the tetrahedron, the complete $3$-graph on four verti…