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This talk introduces string diagrams as a notation for calculating in category theory. You will learn the diagrams to better understand monads, adjunctions, and finally free monads. All of this, of course, is relevant to the curious Haskell programmer who wants to better understand abstract nonsense.
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Dr Nicolas Wu is a Senior Lecturer at the Department of Computing, Imperial College London. He holds a DPhil from the University of Oxford, where he also studied as an undergraduate at Brasenose College. His research interests are centred around programming languages, where he has made advances in applications of category theory for giving the semantics of programs and algorithms. In particular, his recent work has been focused on showing the connections between domain specific languages, algebraic effect handlers, and structured recursion schemes.