Text this: Pointwise error estimates and local superconvergence of Jacobi expansions

            _____               ______   __   __  
    ___    |  ___||     ___    /_   _//  \ \\/ // 
   /   ||  | ||__      /   ||   -| ||-    \   //  
  | [] ||  | ||__     | [] ||   _| ||_    / . \\  
   \__ ||  |_____||    \__ ||  /_____//  /_//\_\\ 
    -|_||  `-----`      -|_||  `-----`   `-`  --` 
     `-`                 `-`