Dubrovin–Zhang hierarchy conjecture for homogeneous CohFTs
Dubrovin–Zhang hierarchy conjecture. (1) For every 1≤α,β≤N1\leq\alpha,\beta\leq N1≤α,β≤N and a,b≥0a,b\geq0a,b≥0, there is Ωα,a;β,b∈A^w;0\Omega_{\alpha,a;\beta,b}\in\widehat{\mathcal A}_{w;0}Ωα,a;β,b∈Aw;0 such that
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