Trace inequalities for Sobolev martingales

• Dmitriy Stolyarov ^[1]
  1. [1] St. Petersburg State University, St. Petersburg, Russia
• Localización: Revista matemática iberoamericana, ISSN 0213-2230, Vol. 41, Nº 1, 2025, págs. 281-312
• Idioma: inglés
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• Resumen

  • We study limiting trace inequalities in the style of Maz’ya and Meyers–Ziemer for Sobolev martingales. We develop the Bellman function approach to such estimates, which allows to provide sufficient and almost necessary conditions on the martingale space and the martingale transform under which the trace inequalities hold true.