// Bad Behavior Start $txt['permissionname_badbehavior_goodgroup'] = 'Bad Behavior Whitelist Group'; $txt['permissionhelp_badbehavior_goodgroup'] = 'This option will make a member group exempt from all Bad Behavior tests.'; // Bad Behavior End // Begin Auto Embed Media Pro Text Strings $txt['mediapro_admin'] = 'Simple Audio Video Embedder'; $txt['mediapro_settings'] = 'Settings'; $txt['mediapro_save_settings'] = 'Save Settings'; $txt['mediapro_err_cache'] = 'Cache folder not writable must fix for performance!'; // END Auto Embed Media Pro Text Strings $txt['botscout_mail_subject'] = 'Bot Attempt Stopped'; $txt['botscout_mail_body'] = 'A bot tried to register, but was stopped from doing so.' . "\n\n" . 'Bot Name: %s' . "\n" . 'Bot Email: %s' . "\n" . 'IP Address: %s'; Print Page - Types of Klein Bottles

God Not Found

Science => Mathematics => Topic started by: Unbeliever on August 12, 2015, 03:02:52 PM

Title: Types of Klein Bottles
Post by: Unbeliever on August 12, 2015, 03:02:52 PM
I was reading a book about the best math writing of last year (2014), and came across an essay about the number of types of KIlein bottles, and was amazed at the variety of the things!

Here are some to look at:


https://www.google.com/search?q=klein+bottles&biw=1024&bih=631&source=lnms&tbm=isch&sa=X&ved=0CAgQ_AUoA2oVChMI3a6WocWkxwIVFjaICh03_AAo