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math.NA2018
Analysis of multivariate Gegenbauer approximation in the hypercube
Haiyong Wang, Lun Zhang
In this paper, we are concerned with multivariate Gegenbauer approximation of functions defined in the -dimensional hypercube. Two new and sharper bounds for the coefficients of…
math-ph2018★ 9 cited
Gaussian unitary ensembles with pole singularities near the soft edge and a system of coupled Painlevé XXXIV equations
Dan Dai, Shuai-Xia Xu, Lun Zhang
In this paper, we study the singularly perturbed Gaussian unitary ensembles defined by the measure \begin{equation*} \frac{1}{C_n} e^{- n\textrm{tr}\, V(M;λ,\vec{t}\;)}dM, \end{equ…