Nondeterministic Seedless Oritatami Systems and Hardness of Testing Their Equivalence

Autor: Hwee Kim, Shinnosuke Seki, Yo-Sub Han, Makoto Ota
Rok vydání: 2016
Předmět:
Zdroj: Lecture Notes in Computer Science ISBN: 9783319439938
DNA
DOI: 10.1007/978-3-319-43994-5_2
Popis: The oritatami system (OS) is a model of computation by cotranscriptional folding, being inspired by the recent experimental succeess of RNA origami to self-assemble an RNA tile cotranscriptionally. The OSs implemented so far, including binary counter and Turing machine simulator, are deterministic, that is, uniquely fold into one conformation, while nondeterminism is intrinsic in biomolecular folding. We introduce nondeterminism to OS (NOS) and propose an NOS that chooses an assignment of Boolean values nondeterministically and evaluates a logical formula on the assignment. This NOS is seedless in the sense that it does not require any initial conformation to begin with like the RNA origami. The NOS allows to prove the co-NP hardness of deciding, given two NOSs, if there exists no conformation that one of them folds into but the other does not.
Databáze: OpenAIRE