Stretching a Knock-Knee Layout for Multilayer Wiring

  • Authors:
  • M. L. Brady;M. Sarrafzadeh

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1990

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Abstract

The problem of stretching a knock-knee layout in the knock-knee mode to ensure its wirability is considered. An optimal algorithm for the problem in two layers is presented. A 4/3 approximation algorithm for the corresponding problem in three layers, shown to be NP-complete, is devised.