Orthogonal polynomials, measures and recurrence relations
SIAM Journal on Mathematical Analysis
Orthogonal polynomials: their growth relative to their sums
Journal of Approximation Theory
Universality for locally Szegő measures
Journal of Approximation Theory
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We apply universality limits to asymptotics of spacing of zeros x"k"n of orthogonal polynomials, for weights with compact support and for exponential weights. A typical result islimn-~x"k"n-x"k"+"1","nK@?"nx"k"n,x"k"n=1under minimal hypotheses on the weight, with K@?"n denoting a normalized reproducing kernel. Moreover, for exponential weights, we derive asymptotics for the differentiated kernels:K"n^r^,^sx,x=@?k=0n-1p"k^rxp"k^sx.