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math.NT2024
The field of iterates of a rational function
Francesco Veneziano, Solomon Vishkautsan
We study how the field of definition of a rational function changes under iteration. We provide a complete classification of polynomials with the property that the field of definit…
math.NT2017
Quadratic rational functions with a rational periodic critical point of period 3
Solomon Vishkautsan, Michael Stoll
We provide a complete classification of possible graphs of rational preperiodic points of quadratic rational functions defined over the rationals with a rational periodic critical…
math.NT2017
Scarcity of finite orbits for rational functions over a number field
J. K. Canci, Sebastian Troncoso, Solomon Vishkautsan
Let be a an endomorphism of degree of the projective line, defined over a number field . Let be a finite set of places of , including the archimedean place…