A stronger bound for the strong chromatic index

We prove $χ_s'(G)\leq 1.93 Δ(G)^2$ for graphs of sufficiently large maximum degree where $χ_s'(G)$ is the strong chromatic index of $G$. This improves an old bound of Molloy and Reed. As a by-product, we present a Talagrand-type inequality where it is allowed to exclude unlikely bad outcomes that would otherwise render the inequality unusable.

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