Stochastic Grammar and Catastrophe Theory

[David Webster Hare Cochran]

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Dear All,

This is primarily a bibliographical query, as my literature searches on these
 topics so far have turned up only indirectly relevant material. Is anyone aware
 of any work published, or theses written on either;

1) Diachronic and/or developmental applications of Stochastic Tree Substitution
 Grammars/Data-Oriented Parsing?

or;

2)Applications of Catastrophe Theory to syntax, again, particularly from a
 diachronic or developmental perspective?

With thanks in advance,
Dave Cochran.

Random Student,
Department of English Language,
University of Glasgow.