發送短信 : Diametrically Regular Mappings and Browder’s Theorem Without the Endpoint Condition

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