Text this: On the compression of translation operator tensors in FMM-FFT-accelerated SIE simulators via tensor decompositions

__    __    _____     _____     _____    _    _   
\ \\ / //  |  ___||  /  ___||  |  ___|| | |  | || 
 \ \/ //   | ||__   | // __    | ||__   | |/\| || 
  \  //    | ||__   | \\_\ ||  | ||__   |  /\  || 
   \//     |_____||  \____//   |_____|| |_// \_|| 
    `      `-----`    `---`    `-----`  `-`   `-`