Department Of Mathematics, Kansas State University, Manhattan, Kansas 66506, U.S.A.
Bibliografia
[1] J. M. Anderson and L. D. Pitt, On recurrence properties of certain lacunary series. I. General results, J. Reine Angew. Math. 377 (1987), 65-82.
[2] J. M. Anderson and L. D. Pitt, On recurrence properties of certain lacunary series, II. The series $∑_1^n exp(ia^nθ)$, ibid., 83-96.
[3] D. A. Brannan and W. K. Hayman, Research problems in complex analysis, Bull. London Math. Soc. 21 (1989), 1-35.
[4] T. Murai, Gap series, in: Analytic Function Theory of One Complex Variable, Y. Komatu, K. Niino and C. Yang (eds.), Pitman Res. Notes in Math. 212, Longman Scientific & Technical, New York, 1989, 149-177.
[5] D. Ullrich, Recurrence for lacunary cosine series, preprint.