The Postulate of Closest Approach

  • Arthur L. Loeb
Part of the Design Science Collection book series (DSC)


In the previous chapter we noted that the coexistence of two distinct two-fold rotocenters implies an infinite row of equally spaced two-fold rotocenters (Figure 4-1). Furthermore, we generated a two-dimensional array of four distinct types of two-fold rotocenters by postulating a two-fold rotocenter off the row of two-fold rotocenters already generated (Figure 3-8). The question which we are to address here is what would happen if we placed a third distinct two-fold rotocenter on the line joining the equally spaced rotocenters.


Close Approach Discrete Structure Previous Chapter Fractional Distance Additional Center 
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Copyright information

© Springer Science+Business Media New York 1993

Authors and Affiliations

  • Arthur L. Loeb
    • 1
  1. 1.Department of Visual and Environmental Studies, Carpenter Center for the Visual ArtsHarvard UniversityCambridgeUSA

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