Text this: Topics in spectral analysis of large sample covariance matrices

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