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math.NT2008
Exact solutions to Waring's problem for finite fields
Arne Winterhof, Christiaan van de Woestijne
The Waring function measures the difficulty of Waring's problem for th powers in the field of elements. Its calculation seems to be difficult, and many partial resu…
math.NT2008
Decomposing replicable functions
John McKay, David Sevilla
We describe an algorithm to decompose rational functions from which we determine the poset of groups fixing these functions.