Xref: utzoo comp.theory:1362 sci.math:14475 alt.fractals:778 Path: utzoo!utgpu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!casbah.acns.nwu.edu!hopf.math.nwu.edu!john From: john@hopf.math.nwu.edu (John Franks) Newsgroups: comp.theory,sci.math,alt.fractals Subject: Re: chaos Keywords: chaos undecidability Message-ID: <2385@casbah.acns.nwu.edu> Date: 2 Jan 91 19:00:38 GMT References: <1991Jan2.181842.4221@zaphod.mps.ohio-state.edu> Sender: news@casbah.acns.nwu.edu Reply-To: john@math.nwu.edu Organization: Northwestern University Lines: 28 In article <1991Jan2.181842.4221@zaphod.mps.ohio-state.edu>, edgar@function.mps.ohio-state.edu (Gerald Edgar) writes: |> |> "Unpredictability and Undecidability in Dynamical Systems", Physical Review |> Letters, volume 64 (14 May 1990) pp. 2354--2357. |> |> According to Discover, one of the three noteworthy developments in mathematics |> for the year 1990. |> |> |> |> -- |> Gerald A. Edgar |> Department of Mathematics Bitnet: EDGAR@OHSTPY |> The Ohio State University Internet: edgar@mps.ohio-state.edu |> Columbus, OH 43210 ...!{att,pyramid}!osu-cis!shape.mps.ohio-state.edu!edgar What were the other two? Also, if you have read the Physical Review Letters article, how about briefly telling us what is in it and your opinion of it significance? (N.B. Prof. Edgar is the author of "Measure, Topology, and Fractal Geomety", Springer-Verlag, 1990 -- an excellent book on these subjects) -- John Franks Dept of Math. Northwestern University john@math.nwu.edu