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Barrier Trees of Degenerate Landscapes

Author

Listed:
  • Christoph Flamm
  • Ivo L. Hofacker
  • Peter F. Stadler
  • Michael T. Wolfinger

Abstract

The heights of energy barriers separating two (macro-)states are useful for estimating transition frequencies. In non-degenerate landscapes the decomposition of a landscape into basins surrounding local minima connected by saddle points is straightforward and yields a useful definition of macro-states. In this work we develop a rigorous concept of barrier trees for degenerate landscapes. We present a program that efficiently computes such barrier trees, and apply it to two well known examples of landscapes.

Suggested Citation

  • Christoph Flamm & Ivo L. Hofacker & Peter F. Stadler & Michael T. Wolfinger, 2001. "Barrier Trees of Degenerate Landscapes," Working Papers 01-09-053, Santa Fe Institute.
  • Handle: RePEc:wop:safiwp:01-09-053
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    References listed on IDEAS

    as
    1. Fernando F. Feirreira & José F. Fontanari & Peter F. Stadler, 2000. "Landscape Statistics of the Low Autocorrelated Binary String Problem," Working Papers 00-07-033, Santa Fe Institute.
    2. Oliver Bastert & Dan Rockmore & Peter F. Stadler & Gottfried Tinhofer, 2001. "Landscapes on Spaces of Trees," Working Papers 01-01-006, Santa Fe Institute.
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    More about this item

    Keywords

    Fitness landscape; potential energy surface; energy barrier; saddle points; degenerate states;

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