Difference between revisions of "Signal Transmission Across Tile Assemblies: 3D Static Tiles Simulate Active Self-Assembly by 2D Signal-Passing Tiles"
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|abstract=The 2-Handed Assembly Model (2HAM) is a tile-based self-assembly model in which, typically beginning from single tiles, arbitrarily large aggregations of static tiles combine in pairs to form structures. The Signal-passing Tile Assembly Model (STAM) is an extension of the 2HAM in which the tiles are dynamically changing components which are able to alter their binding domains as they bind together. For our first result, we demonstrate useful techniques and transformations for converting an arbitrarily complex STAM+ tile set into an STAM+ tile set where every tile has a constant, low amount of complexity, in terms of the number and types of ``signals'' they can send, with a trade off in scale factor. Using these simplifications, we prove that for each temperature τ>1 there exists a 3D tile set in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ (where the STAM+ does not make use of the STAM's power of glue deactivation and assembly breaking, as the tile components of the 2HAM are static and unable to change or break bonds). This means that there is a single tile set U in the 3D 2HAM which can, for an arbitrarily complex STAM+ system S, be configured with a single input configuration which causes U to exactly simulate S at a scale factor dependent upon S. Furthermore, this simulation uses only two planes of the third dimension. This implies that there exists a 3D tile set at temperature 2 in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature 1. Moreover, we show that for each temperature τ>1 there exists an STAM+ tile set which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ, including the case where τ=1. | |abstract=The 2-Handed Assembly Model (2HAM) is a tile-based self-assembly model in which, typically beginning from single tiles, arbitrarily large aggregations of static tiles combine in pairs to form structures. The Signal-passing Tile Assembly Model (STAM) is an extension of the 2HAM in which the tiles are dynamically changing components which are able to alter their binding domains as they bind together. For our first result, we demonstrate useful techniques and transformations for converting an arbitrarily complex STAM+ tile set into an STAM+ tile set where every tile has a constant, low amount of complexity, in terms of the number and types of ``signals'' they can send, with a trade off in scale factor. Using these simplifications, we prove that for each temperature τ>1 there exists a 3D tile set in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ (where the STAM+ does not make use of the STAM's power of glue deactivation and assembly breaking, as the tile components of the 2HAM are static and unable to change or break bonds). This means that there is a single tile set U in the 3D 2HAM which can, for an arbitrarily complex STAM+ system S, be configured with a single input configuration which causes U to exactly simulate S at a scale factor dependent upon S. Furthermore, this simulation uses only two planes of the third dimension. This implies that there exists a 3D tile set at temperature 2 in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature 1. Moreover, we show that for each temperature τ>1 there exists an STAM+ tile set which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ, including the case where τ=1. | ||
|authors=Jacob Hendricks, Jennifer E. Padilla, Matthew J. Patitz, and Trent A. Rogers | |authors=Jacob Hendricks, Jennifer E. Padilla, Matthew J. Patitz, and Trent A. Rogers | ||
|file=http://arxiv.org/pdf/1306.5005v2.pdf | |file=http://arxiv.org/pdf/1306.5005v2.pdf | ||
}} | }} | ||
Revision as of 10:58, 16 June 2016
Published on: 2013/09/21
Abstract
The 2-Handed Assembly Model (2HAM) is a tile-based self-assembly model in which, typically beginning from single tiles, arbitrarily large aggregations of static tiles combine in pairs to form structures. The Signal-passing Tile Assembly Model (STAM) is an extension of the 2HAM in which the tiles are dynamically changing components which are able to alter their binding domains as they bind together. For our first result, we demonstrate useful techniques and transformations for converting an arbitrarily complex STAM+ tile set into an STAM+ tile set where every tile has a constant, low amount of complexity, in terms of the number and types of ``signals they can send, with a trade off in scale factor. Using these simplifications, we prove that for each temperature τ>1 there exists a 3D tile set in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ (where the STAM+ does not make use of the STAM's power of glue deactivation and assembly breaking, as the tile components of the 2HAM are static and unable to change or break bonds). This means that there is a single tile set U in the 3D 2HAM which can, for an arbitrarily complex STAM+ system S, be configured with a single input configuration which causes U to exactly simulate S at a scale factor dependent upon S. Furthermore, this simulation uses only two planes of the third dimension. This implies that there exists a 3D tile set at temperature 2 in the 2HAM which is intrinsically universal for the class of all 2D STAM+ systems at temperature 1. Moreover, we show that for each temperature τ>1 there exists an STAM+ tile set which is intrinsically universal for the class of all 2D STAM+ systems at temperature τ, including the case where τ=1.
Authors
Jacob Hendricks, Jennifer E. Padilla, Matthew J. Patitz, and Trent A. Rogers
