We prove Bourgain's return times theorem for a range of exponents p and q that are outside the duality range. An oscillation result is used to prove hitherto unknown almost-everywhere convergence for the signed average analogue of Bourgain's averages.
机构:
Russian Acad Sci, VA Steklov Math Inst, St Petersburg Branch, St Petersburg 191023, RussiaRussian Acad Sci, VA Steklov Math Inst, St Petersburg Branch, St Petersburg 191023, Russia
Panin, I. A.
Yagunov, S. A.
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机构:
Russian Acad Sci, VA Steklov Math Inst, St Petersburg Branch, St Petersburg 191023, RussiaRussian Acad Sci, VA Steklov Math Inst, St Petersburg Branch, St Petersburg 191023, Russia