You have just asked to be registered at hyperspace@aei, so that you will be able to post announcements without moderation, edit them and also fill-in a page with your personal information.
We have just sent you an email with your login username (which most likely coincides with your present email address) and a password.
Look in your inbox for that message and then login at http://hyperspace.aei.mpg.de/wp-admin/profile.php, where you can update your profile.