A new palette framework reduces (k-2)-uniform Turán densities of k-graphs to palette-homomorphism problems and yields exact values including (r-1)/r, (r-1)^2/r^2, and (k-1)^k/k^k for various k and r.
Constructions of non-principal families in extremal hypergraph theory
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Uniform Tur\'an densities of $k$-uniform hypergraphs
A new palette framework reduces (k-2)-uniform Turán densities of k-graphs to palette-homomorphism problems and yields exact values including (r-1)/r, (r-1)^2/r^2, and (k-1)^k/k^k for various k and r.