
In this interesting paper, the authors investigate the Gram polynomials and deduce a sharp inequality for the Kummer function. Let \(m\geq 1\), and let \(x_j:= -1+{2j-1 \over m}\), \(1\leq j\leq m\) denote \(m\) equally spaced points in \((-1,1)\). Define the discrete inner product \((g,h):= {1\over m} \sum^m_{j=1} g(x_j) h(x_j)\). Fix \(n
Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.), Mathematics(all), Numerical Analysis, Approximation by polynomials, Applied Mathematics, Kummer function, Confluent hypergeometric functions, Whittaker functions, \({}_1F_1\), Gram polynomials, confluent hypergeometric function, Analysis
Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.), Mathematics(all), Numerical Analysis, Approximation by polynomials, Applied Mathematics, Kummer function, Confluent hypergeometric functions, Whittaker functions, \({}_1F_1\), Gram polynomials, confluent hypergeometric function, Analysis
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