發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Algorithms and hardness results for computing cores of Markov chains