グラフと球と曲線と方程式 - 2026/3/16の論文5本

arXiv math.CAの新着論文5本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ca/episodes/2026-03-16/Sharp variational inequalities for the Hardy-Littlewood maximal operator on finite undirected graphsPolynomial curvelets on higher-dimensional spheresNontrivial weak solutions of the stationary KdV equation in sharp $L^p$ spacesApproximate null-controllability of discrete heat equations with potentials on latticesMore on explicit correspondence between gradient trees in $\mathbb{R}$ and holomorphic convex quadrilaterals in $T^{*}\mathbb{R}$