期刊
出版社
ROYAL SOC
DOI: 10.1098/rsta.2016.0354
关键词
graph transformation; graph grammars; reaction networks; hypergraphs; rule composition
资金
- Danish Council for Independent Research, Natural Sciences [DFF-7014-00041]
- COST Action [CM1304]
- ELSI Origins Network (EON)
- John Templeton Foundation
Computational techniques are required for narrowing down the vast space of possibilities to plausible prebiotic scenarios, because precise information on the molecular composition, the dominant reaction chemistry and the conditions for that era are scarce. The exploration of large chemical reaction networks is a central aspect in this endeavour. While quantum chemical methods can accurately predict the structures and reactivities of small molecules, they are not efficient enough to cope with large-scale reaction systems. The formalization of chemical reactions as graph grammars provides a generative system, well grounded in category theory, at the right level of abstraction for the analysis of large and complex reaction networks. An extension of the basic formalism into the realm of integer hyperflows allows for the identification of complex reaction patterns, such as autocatalysis, in large reaction networks using optimization techniques.
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