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Algebra seminarExport this event to calendar

Friday, June 7, 2013 — 2:30 PM EDT

Tom Tucker, Rochester University

“Integral points in two-parameter orbits”

Let K be a number field, let f : P1 − − > P1 be a nonconstant rational map of degree greater than 1 that is not conjugate to a powering map, let S be a finite set of places of K, and suppose that u,winP1(K) are not preperiodic under f. We prove that the set of (m,n)inN2 such that fm(u) is S-integral relative to fn(w) is finite and effectively computable. This may be thought of as a two-parameter analog of a result of Silverman on integral points in orbits of rational maps.
 

Please note the special date.

Location 
MC - Mathematics & Computer Building
5046
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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