Yasutaka Ihara, Profinite Braid Groups, Galois Representations and Complex Multiplications, Annals of Mathematics, Vol. 123, No. 1 (Jan., 1986), pp. 43-106 ...

Chebyshev polynomials are employed in various applications, such as cryptography and pseudorandom numbers. The sequences generated by iterating Chebyshev polynomials over finite sets should have a ...