Isett–Oh optimal energy regularity conjecture for Hölder Euler solutions
Isett–Oh conjecture. For every θ<13\theta<\frac{1}{3}θ<31, there exists a weak Euler solution v∈Cθ(R×Tn)v\in C^\theta(\mathbb R\times\mathbb T^n)v∈Cθ(R×Tn) such that