Browsing by Subject "Finite system"

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    On the zeros of tails of power series
    (Springer, 2000) Ostrovskii, Iossif Vladimirovich; Havin, V. P.; Nikolski, N. K.
    Let f(z)=∑k=0∞akzkf(z)=∑k=0∞akzk (1.1) be a power series with a positive radius of convergence. Let sn(z)=∑k=0nakzk,tn(z)=∑k=n+1∞akzksn(z)=∑k=0nakzk,tn(z)=∑k=n+1∞akzk be its nth section and nth tail, respectively.