A New Upper Bound for the Turán Density of the Tetrahedron

Gyeongwon Jeong, Seonghun Park, Seonghyuk Im +2

We prove that the Turán density of the tetrahedron $K_4^{(3)}$ satisfies $\pi (K_4^{(3)})\le 312372062889819/560000000000000<0.557808$, improving Baber's upper bound of $0.5615$ an…