arXiv:2502.06137math.CA
A Counterexample to the Mizohata-Takeuchi Conjecture
Abstract
We derive a family of $L^p$ estimates of the X-Ray transform of positive measures in $\mathbb R^d$, which we use to construct a $\log R$-loss counterexample to the Mizohata-Takeuchi conjecture for every $C^2$ hypersurface in $\mathbb R^d$ that does not lie in a hyperplane. In particular, multilinear restriction estimates at the endpoint cannot be sharpened directly by the Mizohata-Takeuchi conjecture.
Sorry if this is a silly question, but I came across a "white lie" in a paper(https://arxiv.org/html/2502.06137v2#S3.SS2) yesterday: > Throughout this section, we use A≈B to mean that A and B are essentially equal, in the sense that B is a suitable approximation of A in some…
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