Refines Kupavskii's spread approximation to prove that maximum t-intersecting permutation families are isomorphic to A_k for t ≤ n - n^{5/7+ε}.
Beyond the Erd˝ os-Ko-Rado theorem
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Extremal $t$-intersecting Families of Permutations for Large $t$
Refines Kupavskii's spread approximation to prove that maximum t-intersecting permutation families are isomorphic to A_k for t ≤ n - n^{5/7+ε}.