Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/175488
Authors: 
Streufert, Peter Alfred
Year of Publication: 
2016
Series/Report no.: 
Research Report 2016-2
Abstract: 
It would be useful to have a category of extensive-form games whose isomorphisms specify equivalences between games. Since working with entire games is too large a project for a single paper, I begin here with preforms, where a "preform" is a rooted tree together with choices and information sets. My first contribution is to introduce a compact preform spec ification called a "node-and-choice" preform. This specification's compactness allows me to introduce tractable morphisms which map one node-and-choice preform to another. I incorporate these morphisms into a category called the "category of node-and-choice preforms". Finally, I characterize the isomorphisms of this category
Subjects: 
game form
isomorphism
JEL: 
C72
Document Type: 
Working Paper
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