Abstract
Molecular Computation (MC) is massively parallel computation where data is stored and processed within objects of molecular size. Biomolecular Computation (BMC) is MC using biotechnology techniques, e.g. recombinant DNA operations. In contrast, Quantum Computation (QC) is a type of computation where unitary and measurement operations are executed on linear superpositions of classical states. Both BMC and QC may be executed at the micromolecular scale by a variety of methodologies and technologies. This paper surveys various methods for doing BMC and QC and discusses the considerable theoretical and practical advances in BMC and QC made in the last few years. We compare bounds on key resource such as time, volume (number of molecules times molecular density), energy and error rates achievable, taking particular note of the scalability of these methods with the size of the problem solved. In addition to NP search problems and database search problems, we enumerate a wide variety of further potential practical applications of BMC and QC. We observe that certain problems if solved with polynomial time bounds appear to require exponentially large volume for BMC (e.g., NP search problems) and QC (e.g., the observation operation). We discuss techniques for decreasing errors in BMC (e.g., annealing errors) and QC (e.g., decoherence errors), and volume where possible, to insure the scalability of BMC and QC to problems of large input size. In addition, we consider how BMC might be used to assist QC (e.g., to do observation operations for Bulk QC) and also how quantum techniques might be used to assist BMC (e.g., to do exquisite detection of very small quantities of a molecule in solution within a large volume).
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References
Reif, J.H.: Alternative Computational Models: A Comparison of Biomolecular and Quantum Computation (September 1998), Full version of the extended abstract appearing in these proceedings
A postscript preprint is online at, http://www.cs.duke.edu/~reif/paper/paper.html/altcomp.ps
Note: Due to page length constraints, the references in have been removed from the extended abstract appearing in these proceedings. The full paper [Rei98] has 646 references (including 265 references to BMC and 381 references to QC), and many additional discussions of experimental techniques, applications and error correction
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© 1998 Springer-Verlag Berlin Heidelberg
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Reif, J.H. (1998). Alternative Computational Models: A Comparison of Biomolecular and Quantum Computation. In: Arvind, V., Ramanujam, S. (eds) Foundations of Software Technology and Theoretical Computer Science. FSTTCS 1998. Lecture Notes in Computer Science, vol 1530. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49382-2_10
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DOI: https://doi.org/10.1007/978-3-540-49382-2_10
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-65384-4
Online ISBN: 978-3-540-49382-2
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