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- Newsgroups: comp.theory
- Path: sparky!uunet!cs.utexas.edu!tamsun.tamu.edu!chen
- From: chen@cs.tamu.edu (Jianer Chen )
- Subject: Re: NC-Completeness of Transitive Closure
- Message-ID: <1992Aug31.020830.21790@tamsun.tamu.edu>
- Keywords: NC-completeness, NC-reduction
- Sender: news@tamsun.tamu.edu (Read News)
- Organization: Computer Science Department, Texas A&M University
- References: <BttLv9.Ao5@acsu.buffalo.edu>
- Date: Mon, 31 Aug 1992 02:08:30 GMT
- Lines: 20
-
- In article <BttLv9.Ao5@acsu.buffalo.edu> guest13@acsu.buffalo.edu (Javaid Aslam) writes:
- >I have this conjecture which might be refuted with some contradicting
- >evidence. Hope somebody can provide me at least some insight why this
- >can not be true:
- >
- >Conjecture: The Transitive Closure problem is complete for the class NC
- > (with respect to some "NC-reduction").
- >
- >Thank you all ..
- >
- > -Javaid Aslam : guest13@eng.buffalo.edu
-
- It is easy to show that NC has no complete problems with respect to
- any NC-reduction (as long as the reduction is in NC^k for some k)
- unless the NC hierarchy collapses, which is a very strong
- consequence.
-
- --- JC
-
-
-