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From now on, all the ftp sites here have been amalgamated to ftp.math.mcgill.ca. The material from triples, and a couple of other servers, have been amalgamated, but my papers are still found in pub/barr and Seely's in /pub/rags and so on. In a few days, you will be informed of this site if you try to sign on anonymously to triples.

Sorry for the interruption. Michael