Andrew Lelechenko

VP @ Barclays, PhD

Andrew is a software developer from London with a strong background in mathematics and computer science. After receiving his PhD degree, he went into industry and ended up developing a compiler of the domain-specific language for finance and trading, implemented in Haskell. His main open-source contributions are mathematical libraries with a focus on performance.

Very often scientific libraries are a lump of Fortran-ish code with an API from 1970s. This talk demonstrates a modern approach to the design of mathematical libraries, leveraging advanced functional programming and type theory for the greater good. Our subject is [`arithmoi`](http://hackage.haskell.org/package/arithmoi), a Haskell library for number theory research. We will discuss an effect of dependent types, laziness and type classes on library design, achieving both expressivity and computational efficiency.


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