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- Newsgroups: comp.theory
- Path: sparky!uunet!think.com!ames!stanford.edu!CSD-NewsHost.Stanford.EDU!Xenon.Stanford.EDU!robert
- From: robert@Xenon.Stanford.EDU (Robert Kennedy)
- Subject: Re: Is the following problem in NP?
- Message-ID: <robert.721425354@Xenon.Stanford.EDU>
- Keywords: NP, polynomials, equations, solvability
- Sender: news@CSD-NewsHost.Stanford.EDU
- Organization: CS Department, Stanford University, California, USA
- References: <1992Nov10.084511.27971@CSD-NewsHost.Stanford.EDU> <1992Nov10.092835.10526@zip.eecs.umich.edu>
- Date: 10 Nov 92 19:55:54 GMT
- Lines: 15
-
- jordans@quip.eecs.umich.edu (Jordan Stojanovski) writes:
- >Yes: Since there is a finite number of polynomials of bounded degree with
- >bounded integer coefficients, the solution is a table lookup, and your
- >problem can be solved by a finite automaton.
-
- The polynomial in the input has N variables, where N is the input
- size. You have to generate this table "on the fly" once you know N.
- Your method is badly exponential. If the polynomial had been
- univariate you would have been right.
-
- -- Robert Kennedy
-
- Robert Kennedy (415) 723-4532 (office)
- robert@cs.stanford.edu (415) 322-7367 (home voice)
- Computer Science Dept., Stanford University (415) 322-7329 (home tty)
-