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1. • CommentRowNumber1.
   • CommentAuthorDavid_Corfield
   • CommentTimeDec 14th 2015
   • PermaLink
   Author: David_Corfield
   Format: MarkdownItexOne would think that a paper on W-types, polynomial functors, Feynman diagrams and "an interpretation of Green functions as inductive datatypes in the sense of Martin-L öf Type Theory" would be of interest here. Joachim has announced [Polynomial functors and combinatorial Dyson-Schwinger equations](http://arxiv.org/abs/1512.03027) and a companion [piece](http://mat.uab.es/~kock/papers/DSE-types.pdf).

   One would think that a paper on W-types, polynomial functors, Feynman diagrams and “an interpretation of Green functions as inductive datatypes in the sense of Martin-L öf Type Theory” would be of interest here. Joachim has announced Polynomial functors and combinatorial Dyson-Schwinger equations and a companion piece.