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This work studies centralized and decentralized protocol design in various computational environments. More specifically, we address the interplay between incentives and computational issues: we first describe positive results for restricted agents, we then show that the incentive constraint essentially implies computational hardness. Finally, we observe that in computerized networks the standa...

This paper is an introduction to combinatorial knot theory via state summation models for the Jones polynomial and its generalizations. It also a story about developments that ensued in relation discovery of remembrance Vaughan his mathematics.