Category Archives: haskell

Ally Skills Tutorial at ICFP

I just signed up for the Ally Skills Tutorial at ICFP, and if you are (1) a man who (2) will be at ICFP in Vancouver, I encourage you to sign up, too! From the website: The Ally Skills Tutorial … Continue reading

Posted in haskell | Tagged , , , , | 2 Comments

Crystal Ball Connection Patterns via Species and Generating Functions

A couple weeks ago, Denise posted Puzzle: Crystal Ball Connection Patterns on her blog, Let’s Play Math. I had fun playing with it and thought I would demonstrate how to apply some high-powered combinatorial techniques to it (probably not what … Continue reading

Posted in combinatorics, haskell, math, species | Tagged , , , , , | 1 Comment

BlogLiterately 0.8.1, now with HTTPS!

I’ve just released version 0.8.1 of BlogLiterately, a tool for formatting and posting stuff (especially Haskelly stuff) to blogs. This is in conjunction with the release of haxr-3000.11. After much blood, sweat, and tears, I was able to rip the … Continue reading

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Pan-Galactic Division in Haskell

Summary: given an injective function , it is possible to constructively “divide by ” to obtain an injection , as shown recently by Peter Doyle and Cecil Qiu and expounded by Richard Schwartz. Their algorithm is nontrivial to come up … Continue reading

Posted in haskell, math, species | Tagged , , , , , , , , , | 6 Comments

Diagrams 1.0

The diagrams team is very pleased to announce the 1.0 release of diagrams, a framework and embedded domain-specific language for declarative drawing in Haskell. Check out the gallery for some examples of what it can do. Diagrams can be used … Continue reading

Posted in diagrams, haskell, projects | Tagged , , | 2 Comments

Catsters guide

tl;dr: In an attempt to solidify and extend my knowledge of category theory, I have been working my way through the excellent series of category theory lectures posted on Youtube by Eugenia Cheng and Simon Willerton, aka the Catsters. … Continue reading

Posted in haskell, math, teaching | Tagged | 2 Comments

Come visit the FARM!

Registration is now open for the first (!) ACM SIGPLAN Workshop on Functional Art, Music, Modeling and Design (FARM), to be held in Boston on September 28 (the day after ICFP). I’m really excited—it’s shaping up to be a really … Continue reading

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