Relators and Metric Bisimulations

  title={Relators and Metric Bisimulations},
  author={Jan J. M. M. Rutten},
  journal={Electr. Notes Theor. Comput. Sci.},
Coalgebras of set functors preserving weak pullbacks are particularly well behaved Invoking a result by Carboni Kelly and Wood we show that this can be explained by the fact that such functors can be uniquely extended to a relator This insight next suggests a de nition of metric bisimulation 

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