University of Birmingham > Talks@bham > Theoretical computer science seminar > Polynomials via fibrations

## Polynomials via fibrationsAdd to your list(s) Download to your calendar using vCal - Tamara von Glehn, University of Cambridge
- Friday 16 November 2018, 10:30-11:30
- Computer Science, The Sloman Lounge (UG).
If you have a question about this talk, please contact Jamie Vicary. Polynomials in category theory represent datatypes which, like polynomial functions, can be expressed using sums and products. Extending this analogy, I will characterize the category of polynomials in terms of indexed sums and products for fibrations. This category arises from a distributive law between the pseudomonad ‘freely adding’ indexed sums to a fibration, and its dual adding indexed products. I will also relate this perspective to the structure of categorical models of type theory with dependent sum and product types. This talk is part of the Theoretical computer science seminar series. ## This talk is included in these lists:- Computer Science Departmental Series
- Computer Science Distinguished Seminars
- Computer Science, The Sloman Lounge (UG)
- Theoretical computer science seminar
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