Abstract

In [5] Ladhawala and Pankratz proved that if f f is in dyadic H 1 {H^1} , then any lacunary sequence of partial sums of the Walsh-Fourier series of f f converges a.e. We generalize their theorem to Vilenkin-Fourier series. In obtaining this result, we prove a vector-valued inequality for the partial sums of Vilenkin-Fourier series.

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