188 citations · 327 across the 48 of their papers we have counts for
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math.CA2016
Best rational approximation of functions with logarithmic singularities
Alexander Pushnitski, Dmitri Yafaev
We consider functions on the unit circle with a finite number of logarithmic singularities. We study the approximation of by rational functions and find an asym…
math.CA2013
Spectral perturbation theory and the two weights problem
Alexander Pushnitski, Alexander Volberg
The famous two weights problem consists in characterising all possible pairs of weights such that the Hardy projection is bounded between the corresponding weighted spaces. K…
math.CA2007★ 188 cited
The Analytic Theory of Matrix Orthogonal Polynomials
David Damanik, Alexander Pushnitski, Barry Simon
We give a survey of the analytic theory of matrix orthogonal polynomials.