Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!mit-eddie!necntc!linus!faron!bs From: bs@faron.UUCP (Robert D. Silverman) Newsgroups: comp.ai,sci.math.symbolic Subject: Re: P may indeed = NP !! Message-ID: <253@faron.UUCP> Date: Mon, 14-Sep-87 08:25:56 EDT Article-I.D.: faron.253 Posted: Mon Sep 14 08:25:56 1987 Date-Received: Tue, 15-Sep-87 05:39:09 EDT References: <761@maccs.UUCP] Reply-To: bs@faron.UUCP (Robert D. Silverman) Organization: The MITRE Corporation, Bedford MA Lines: 49 Keywords: polynomial time algorithms Xref: mnetor comp.ai:765 sci.math.symbolic:149 In article <761@maccs.UUCP] leb@maccs.UUCP (Anthony (Tony) Hurst) writes: ] ] ]I normally do not keep track of mathematics papers, but I happened ]to notice an interesting news item that jumped right out at me. It ]was reported in a recent issue of the University of Guelph's "Alumnus" ]magazine. (Guelph is in Ontario, Canada). Obviously a highly reputable source :-) :-) ] ]"One of the most perplexing problems in computer science may have ]been solved by Professor Ted Swart, who has a joint appointment in ]the departments of Mathematics & Statistics and Computing & Infor- ]mation Science. He has written a paper offering proof that P = NP. ]... ] Noone, repeat noone who does serious research in computational complexity really belives P=NP. I have seen several such 'proofs'. All are basically the same: Some imaginative person formulates a problem in NP as a linear program. Unfortunately, most of these people fail to realize that their 'formulation' requires a number of variables that is exponential in the size of the problem. Poof goes the proof. I had already heard of Prof. Swart's purported proof and heard that it suffers from the same defect. ]"Dr. Swart cautions that the jury is still out on whether his approach ]will be proved or disproved by his peers, but already his pronouncement ]has caused a stir in the computer world." ]... ] ]"Dr. Swart's problem establishes that the Hamilton circuit problem can ]be solved in polynomial time by converting a mathematical programming ]formulation of the problem into a linear programming formulation and ]using existing polynomial time algorithms as established by Kachiyan ]and Karmarkar." ] ] ]What I should like to know is, has Swart's paper "caused a stir in ]the computer world" and if not, why not? See above. Bob Silverman