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math.NT2021
Endomorphisms of positive characteristic tori: entropy and zeta function
Keira Gunn, Khoa D. Nguyen, J. C. Saunders
Let be a finite field of order and characteristic . Let , , equipped with the discrete valuation for which…
math.NT2021
The Euler Totient Function on Lucas Sequences
J. C. Saunders
In 2009, Luca and Nicolae proved that the only Fibonacci numbers whose Euler totient function is another Fibonacci number are , and . In 2015, Faye and Luca proved that the…