發送短信 : Generalized heat kernel related to the operator Lkm and spectrum

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