Vol. 7, No. 3, 2013

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ISSN: 1944-7833 (e-only)
ISSN: 1937-0652 (print)
Preperiodic points for families of polynomials

Dragos Ghioca, Liang-Chung Hsia and Thomas J. Tucker

Vol. 7 (2013), No. 3, 701–732

Let a(λ),b(λ) [λ], and let fλ(x) [x] be a one-parameter family of polynomials indexed by all λ . We study whether there exist infinitely many λ such that both a(λ) and b(λ) are preperiodic for fλ.

preperiodic points, heights
Mathematical Subject Classification 2010
Primary: 37P05
Secondary: 37P10
Received: 21 September 2011
Revised: 25 March 2012
Accepted: 29 March 2012
Published: 23 August 2013
Dragos Ghioca
Department of Mathematics
University of British Columbia
Vancouver, BC V6T 1Z2
Liang-Chung Hsia
Department of Mathematics
National Taiwan Normal University
Thomas J. Tucker
Department of Mathematics
University of Rochester
Rochester, NY 14627
United States