Lennart Augustsson

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About Lennart Augustsson

Lennart Augustsson is currently employed by Credit Suisse. He was previously a lecturer at the Computing Science Department at Chalmers University of Technology. His research field is functional programming and implementations of functional languages.

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Lennart is the author of:
* The Cayenne programming language.
* The HBC Haskell compiler.
* Several hardware device drivers for NetBSD.
* The front end of the pH compiler (parallel Haskell) from MIT.
* The initial version of the Bluespec compiler.

He was intimately involved in early LPMud development, both in the LPMUD driver and the CD mudlib.

Lennart has written three winning entries in the International Obfuscated C Code Contest:
* 1985 Most obscure program ([http://www.de.ioccc.org/years.html#1985_august 1985/august.c])
* 1986 Best complex task done in a complex way ([http://www.de.ioccc.org/years.html#1986_august 1986/august.c])
* 1996 Best of Show ([http://www.de.ioccc.org/years.html#1996_august 1996/august.c])"

  1. Mentioned In 28 Articles

  2. Haskell

    The TUNES Project (Jul 13 2008) Explore Article

    ...Haskell Group. * The Yale Haskell Group. * Simon Peyton Jones' WWW Site. * Paul Hudak's WWW Site. * Lennart Augustsson's WWW Site. * Glasgow FP Abstracts. Descriptions of and links to papers on Functional Programming... (Read Full Article)

    Comment on Article Mentions:   Simon Peyton Jones   Lennart Augustsson   Paul Hudak

  3. [Haskell-cafe] IO is not a monad

    Haskell (Jul 10 2008) Explore Article

    ... monad) Janis Voigtlaender # seq does not preclude parametricity (Re: IO is not a monad) Lennart Augustsson # seq does not preclude parametricity (Re: (Read Full Article)

    Comment on Article Mentions:   Janis Voigtlaender   Duncan Coutts   Lennart Augustsson

  4. London Haskell Users Group: Next meeting: Paradise, a DSEL for derivatives pricing

    λondon HUG (Jun 9 2008) Explore Article

    ...ng of the London Haskell User Group will be on Wednesday 25th June from 6:30PM at City University. Lennart Augustsson from Credit Suisse will be talking about his work there: Creating a new pricing model for a financ... (Read Full Article)

    Comment on Article Mentions:   Lennart Augustsson   Haskell   London Haskell User Group

  5. Erik Meijer - Confessions Of A Used Programming Language Salesman (Getting The Masses Hooked On Haskell)

    Microsoft Research Home (Jun 3 2008) Explore Article

    ...for a long time, but recently it has been revisited and improved [6]. A similar approach is used by Lennart Augustsson to generate VBA programs to script Excel for financial modeling, the hardware description language... (Read Full Article)

    Comment on Article Mentions:   Benjamin C. Pierce   Peter Thiemann   Ross Paterson

  6. Haskell's overlooked object system (pdf)

    homepages.cwi.nl (May 20 2008) Explore Article

    ... getX s + y = getY s + 4 -> Int -> Shape -> Shape deltay s = moveTo x y s deltax deltay Thanks to Lennart Augustsson for pointing out this line of encoding. Cf. http://www.haskell.org/pipermail/haskell/2005-June/0160... (Read Full Article)

    Comment on Article Mentions:   Lennart Augustsson   Computer Science   Haskell

  7. Lennart Augustsson: Programming entrance C, ummm, HaskellHere’sa ...

    Lgnkarenisaac’s Weblog (May 16 2008) Explore Article

    Lennart Augustsson: Programming entrance C, ummm, HaskellHere’s a crummy Ha… Programming within C, ummm, Haskell I... (Read Full Article)

    Comment on Article Mentions:   Haskell   Lennart Augustsson

  8. Conal Elliott: Beautiful differentiation

    Conal Elliott's home page (May 7 2008) Explore Article

    ...s”. He exploited Haskell’s laziness to carry infinitely many derivatives, rather than just one. Lennart Augustsson’s AD post contains a summary of Jerzy’s idea and an application. I’ll use some of the details... (Read Full Article)

    Comment on Article Mentions:   Haskell   Lennart Augustsson

  9. The Monad.Reader Issue 10

    Haskell (Apr 8 2008) Explore Article

    ...nal programs in functional language is not new. It was realised at least as long as 20 years ago by Lennart Augustsson in a lazy untyped functional interpreter called Small [9]. (Thanks to Colin Runciman for pointing m... (Read Full Article)

    Comment on Article Mentions:   Acm Sigplan   Lennart Augustsson   Neil Mitchell

  10. Compiling Haskell to Java - Mark Tullsen

    cs.yale.edu (Mar 29 2008) Explore Article

    ...References [1] Andrew W. Appel. Compiling with Continuations. Cambridge University Press, 1992. [2] Lennart Augustsson. A compiler for lazy ML. In Conference Record of the 1984 ACM Sympo- sium on Lisp and Functional Pr... (Read Full Article)

    Comment on Article Mentions:   Computer Architecture   Sun Microsystems   Prentice Hall

  11. Lennart Augustsson

    cs.chalmers.se (Mar 24 2008) Explore Article

    ... languages. These days mostly Haskell (and here's a picture illustrating Haskell :-). The HBC compi Lennart Augustsson (If you really want to see, then there are more pictures of me.) I am a lecturer ("lektor") at t... (Read Full Article)

    Comment on Article Mentions:   Haskell   Lennart Augustsson   Chalmers University of Technology

  12. Church's Thesis and Functional Programming -- David Turner

    Computing at Kent (Mar 22 2008) Explore Article

    ...d was first used in the compiler of LML, a lazy version of the functional subset of ML, written by Lennart Augustsson & Thomas Johnsson at Chalmers University in Sweden, around 1984. Their model for mapping graph redu... (Read Full Article)

    Comment on Article Mentions:   Chalmers University of Technology   Jean-Yves Girard   Christopher Strachey

  13. top.pdf (application/pdf Object)

    Augustsson Family (Mar 15 2008) Explore Article

    Which of four name management systems are best? λ-calculus cooked four ways Lennart Augustsson 1 Introduction λ-calculus in four dierent ways. This little paper describes how to implement nor... (Read Full Article)

    Comment on Article Mentions:   Lennart Augustsson   Haskell

  14. Ray tracer language comparison

    Flying Frog Consultancy Ltd. (Mar 11 2008) Explore Article

    ...cer written in C++, Java, OCaml and SML. Joe Marshall, Nathan Baum, Juho Snellman, Jeffrey Siskind, Lennart Augustsson and others have kindly ported the programs to Common Lisp, Scheme and Haskell Ray tracer language c... (Read Full Article)

    Comment on Article Mentions:   Lennart Augustsson

  15. Sorting At Speed

    Neil Mitchell's Haskell Blog (Mar 10 2008) Explore Article

    ...ents in the initial list. This technique is used by Yhc, and is based on code originally written by Lennart Augustsson. Knowing the original source of the code, my shock at the performance benefits offered by the Yhc v... (Read Full Article)

    Comment on Article Mentions:   Lennart Augustsson

  16. Haskell Weekly News: Haskell Weekly News: February 10, 2008

    The Haskell Sequence (Feb 23 2008) Explore Article

    ... regexpr: regular expression like Perl/Ruby in Haskell. djinn 2008.1.18. Uploaded by Lennart Augustsson. djinn: Generate Haskell code from a type. Etherbunny 0.3. Uploaded by Ni... (Read Full Article)

    Comment on Article Mentions:   Bryan OSullivan   Ross Paterson   Max Rabkin

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