TY - GEN AU - Martínez-Finkelshtein, Andrei AU - Barry, Simon PY - 2011 UR - http://hdl.handle.net/10835/1624 AB - We show that for many families of OPUC, one has k'′nk2/n → 1, , a condition we call normal behavior. We prove that this implies | n| → 0 and that it holds if P∞ n=0| n| < ∞. We also prove it is true for many sparse sequences. On the other hand, it is... LA - en KW - Polinomios ortogonales KW - Asintotica KW - Orthogonal polynomials KW - Derivative asymptotics TI - Asymptotics of the L2 norm of derivatives of OPUC ER -