Catastrophe Theory and Caustics

Research output: Contribution to journalJournal articleResearchpeer-review


It is shown by elementary methods that in codimension two and under the assumption that light rays are straight lines, a caustic is the catastrophe set for a time function. The general case is also discussed.
Original languageEnglish
JournalS I A M Review
Issue number2
Pages (from-to)239-247
Number of pages9
Publication statusPublished - 1983


  • Systems theory and cybernetics
  • Catastrophe theory
  • Codimension two
  • Light rays
  • Caustic
  • Catastrophe set
  • Time function

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