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math.CA2006★ 1 cited
Pointwise convergence of the ergodic bilinear Hilbert transform
Ciprian Demeter
Let be a dynamical system. We prove that the bilinear series $\sideset{}{'}\sum_{n=-N}^{N}\frac{f(τ^nx)g(τ^{-n}x)}{n}$ converges almost everywhere for each $…
math.DS2006★ 1 cited
Breaking the duality in the return times theorem
Ciprian Demeter, Michael Lacey, Terence Tao +1
We prove Bourgain's Return Times Theorem for a range of exponents and that are outside the duality range. An oscillation result is used to prove hitherto unknown almost eve…