Symmetric functions and the principal case of the Frankl-Füredi conjecture

V. Nikiforov

Let $r\ge 3$ and $G$ be an $r$-uniform hypergraph with vertex set $\left\{1,\dots ,n\right\}$ and edge set $E$. Let \[ μ\left( G\right) :=\max {\textstyle\sum\limits_{\left\{ i_{…