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Representations of Stream Processors Using Nested Fixed Points

Neil Ghani ; Peter Hancock ; Dirk Pattinson.

We define representations of continuous functions on infinite streams of discrete values, both in the case of discrete-valued functions, and in the case of stream-valued functions. We define also an operation on the representations of two continuous functions between streams that yields a&nbsp;[&hellip;]

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Positive Inductive-Recursive Definitions

Neil Ghani ; Fredrik Nordvall Forsberg ; Lorenzo Malatesta.

A new theory of data types which allows for the definition of types as initial algebras of certain functors Fam(C) -> Fam(C) is presented. This theory, which we call positive inductive-recursive definitions, is a generalisation of Dybjer and Setzer's theory of inductive-recursive definitions within&nbsp;[&hellip;]

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