They need not use complete sentences. Job ads will run only once. Multiple jobs should be combined in one ad. Normally, I will not run a new ad from an institution until the deadline announced in a previous ad has expired. Advertised jobs need not be restricted to operator algebraists, but jobs restricted to other areas of mathematics should not be advertised here.
Research is the key, but a good teaching record is essential.
See Section 5 for how to get one. 5. For a conference, you would include the subject, location, and date. You can have links to both an announcement as described in Section 4 and to some other site that you yourself maintain. Even if you do not want a regular announcement in a directory update, you might consider submitting a two line notice that a link has been added here. I will run them under a section for new WWW links in the next directory update.