REFERENCES
- N.I.Akhiezer, The classical moment problem and some related questions in analysis, Translated by N. Kemmer, Hafner Publishing Co., New York. x+253 pp. MR0184042 (32 #1518) 1965.
- W.Bryc, W.Matysiak, and J.Wesolowski, Quadratic harnesses, q-commutations, and orthogonal martingale polynomials, Trans. Amer. Math. Soc. 359(11) (2007), pp. 5449–5483.
- W.Bryc, W.Matysiak, and J.Wesołowski, The Bi-Poisson process: A quadratic harness, Ann. Probab. 36(1.2) (2008), pp. s623–s646.
- W.Bryc, W.Matysiak, and J.Wesołowski, Free quadratic harness, Stochastic Process. Appl. 121 (2011), pp. 657–671.
- W.Bryc and J.Wesołowski, Conditional moments of q-Meixner processes, Probab. Theory Relat. Fields 131 (2005), pp. 415–441.
- W.Bryc and J.Wesołowski, Bi-Poissson process, infinite dimensional analysis, Quantum Probab. Relat. Top. 10(1.2) (2007), pp. 277–291.
- W.Bryc and J.Wesołowski, Askey–Wilson polynomials, quadratic harnesses and martingales. IMS-AOP-AOP503 Ann. Probab. 38(3) (2010), pp. 1221–1262.
- W.Bryc and J.Wesołowski, Stitching pairs of Levy processes into harnesses, Stochastic Process. Appl. 122 (2012), pp. 2854–2869.
- M.E.H.Ismail, Classical and quantum orthogonal polynomials in one variable. With two chapters by Walter Van Assche. With a foreword by Richard A. Askey, in Encyclopedia of Mathematics and its Applications, Vol. 98, Cambridge University Press, Cambridge. xviii+706 pp. ISBN: 978-0-521-78201-2; 0-521-78201-5 MR2191786 (2007f:33001) 2005.
- R. Koekoek, P.A. Lesky, and R.F. Swarttouw, Hypergeometric Orthogonal Polynomials and their q-analogues. With a foreword by Tom H. Koornwinder, in Springer Monographs in Mathematics, Springer-Verlag, Berlin. xx+578 pp. ISBN: 978-3-642-05013-8 MR2656096 (2011e:33029) 2010.
- B.Simon, The classical moment problem as a self-adjoint finite difference operator, Adv. Math. 137(1) (1998), pp. 82–203. MR1627806 (2001e:47020).
- P.J.Szabłowski, q-Wiener and (α,q)-Ornstein–Uhlenbeck processes. A generalization of known processes, Theory Probab. Appl. 56(1.4) (2011), pp. 742–772, http://arxiv.org/abs/math/0507303.