次元と密度とトレース定理と演算子 - 2026/4/21の論文9本

arXiv math.CAの新着論文9本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ca/episodes/2026-04-21/On the packing dimension of projected measuresCounterexamples for lacunary dilates via dyadic spike blocksNear-optimal density theorems for large dilates of large point configurationsThe Adams trace theorem for product Morrey spacesRado's covering problem for cubes and balls: a semi-surveyPointwise character bounds for $\mathrm{SU}(3)$The Kerman-Sawyer trace theorem for product Morrey spacesMultilinear embedding theorem for fractional sparse operatorsWave operators for Jacobi matrices