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

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