積分演算子とハミルトン系と多項式 - 2026/4/27の論文7本

arXiv math.CAの新着論文7本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ca/episodes/2026-04-27/A counterexample to Abel-type asymptotics for scaled Volterra equationsA note on the sum-product problem for fractal setsSkew-orthogonal polynomials for a quartic Freud weight: two classes of quasi-orthogonal polynomialsContinuity properties of strongly singular integral operators for extreme values of $p$Existence of a periodic solution for superquadratic Hamiltonian systems with possible finite-time blow-upAlgebraic methods in periodic singular Liouville equations$A_\infty$-invariance of oscillatory norms, and Schatten characterisations of commutators