Patrik Jansson

Professor of Computer Science



+46317725415


Computer Science and Engineering

Chalmers University of Technology



Publications



Dependent Types / Parametricity


Type Theory as a Framework for Modelling and Programming


Cezar Ionescu, Patrik Jansson, Nicola Botta

Lecture Notes in Computer Science, Tiziana Margaria, Bernhard Steffen, Leveraging Applications of Formal Methods, Verification and Validation. Modeling - 8th International Symposium, ISoLA 2018, Limassol, Cyprus, November 5-9, 2018, Proceedings, Part I, vol. 11244, Springer, 2018, pp. 119--133


Certified Context-Free Parsing: A formalisation of Valiant's Algorithm in Agda


Jean-Philippe Bernardy, Patrik Jansson

Logical Methods in Computer Science, vol. 12, 2016


An Agda formalisation of the transitive closure of block matrices (extended abstract)


Adam Sandberg Eriksson, Patrik Jansson

James Chapman, Wouter Swierstra, Proceedings of the 1st International Workshop on Type-Driven Development, TyDe@ICFP 2016, Nara, Japan, September 18, 2016, ACM, 2016, pp. 60--61


Proofs for free - Parametricity for dependent types


Jean-Philippe Bernardy, Patrik Jansson, Ross Paterson

J. Funct. Program., vol. 22, Cambridge University Press, 2012, pp. 107--152


Parametricity and dependent types


Jean-Philippe Bernardy, Patrik Jansson, Ross Paterson

Paul Hudak, Stephanie Weirich, Proceeding of the 15th ACM SIGPLAN international conference on Functional programming, ICFP 2010, Baltimore, Maryland, USA, September 27-29, 2010, ACM, 2010, pp. 345--356


Algebra of programming in Agda: Dependent types for relational program derivation


Shin-Cheng Mu, Hsiang-Shang Ko, Patrik Jansson

J. Funct. Program., vol. 19, Cambridge University Press, 2009, pp. 545--579


Algebra of Programming Using Dependent Types


Shin-Cheng Mu, Hsiang-Shang Ko, Patrik Jansson

Lecture Notes in Computer Science, Philippe Audebaud, Christine Paulin-Mohring, Mathematics of Program Construction, 9th International Conference, MPC 2008, Marseille, France, July 15-18, 2008. Proceedings, vol. 5133, Springer, 2008, pp. 268--283


Domain-Specific Languages of Mathematics


Domain-Specific Languages of Mathematics


Patrik Jansson, Cezar Ionescu, Jean-Philippe Bernardy

Texts in Computing, vol. 24, College Publications, https://www.collegepublications.co.uk/computing/?00024, 2022 Jan, p. 268


Examples and Results from a BSc-level Course on Domain Specific Languages of Mathematics


Patrik Jansson, Sólrún Halla Einarsdóttir, Cezar Ionescu

EPTCS, Peter Achten, Heather Miller, Proceedings Seventh International Workshop on Trends in Functional Programming in Education, TFPIE@TFP 2018, Chalmers University, Gothenburg, Sweden, 14th June 2018, vol. 295, 2018, pp. 79--90


Domain-Specific Languages of Mathematics: Presenting Mathematical Analysis Using Functional Programming


Cezar Ionescu, Patrik Jansson

EPTCS, Johan Jeuring, Jay McCarthy, Proceedings of the 4th and 5th International Workshop on Trends in Functional Programming in Education, TFPIE 2016, Sophia-Antipolis, France, and University of Maryland, College Park, MD, USA, June 2, 2015, and June 7, 2016, vol. 230, 2016, pp. 1--15


Functional Programming / Algebra


Level-p-complexity of Boolean functions using thinning, memoization, and polynomials


Julia Jansson, Patrik Jansson

Journal of Functional Programming, vol. 33, 2023


An Algebra of Sequential Decision Problems


Robert Krook, Patrik Jansson

Technical Report. Computer Science and Engineering, Chalmers University of Technology, 2019


An Algebra of Sequential Decision Problems: Extended Abstract


Robert Krook, Patrik Jansson

Proceedings of ACM SIGPLAN Workshop on Type-Driven Development (TyDe’19), ACM, 2019


VisPar: visualising dataflow graphs from the Par Monad


Maximilian Algehed, Patrik Jansson

Phil Trinder, Cosmin E. Oancea, Proceedings of the 6th ACM SIGPLAN International Workshop on Functional High-Performance Computing, FHPC@ICFP 2017, Oxford, UK, September 7, 2017, ACM, 2017, pp. 24--29


Feat: functional enumeration of algebraic types


Jonas Duregård, Patrik Jansson, Meng Wang

Janis Voigtländer, Proceedings of the 5th ACM SIGPLAN Symposium on Haskell, Haskell 2012, Copenhagen, Denmark, 13 September 2012, ACM, 2012, pp. 61--72


Embedded parser generators


Jonas Duregård, Patrik Jansson

Koen Claessen, Proceedings of the 4th ACM SIGPLAN Symposium on Haskell, Haskell 2011, Tokyo, Japan, 22 September 2011, ACM, 2011, pp. 107--117


Fast and loose reasoning is morally correct


Nils Anders Danielsson, John Hughes, Patrik Jansson, Jeremy Gibbons

J. Gregory Morrisett, Simon L. Peyton Jones, Proceedings of the 33rd ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2006, Charleston, South Carolina, USA, January 11-13, 2006, ACM, 2006, pp. 206--217


Chasing Bottoms: A Case Study in Program Verification in the Presence of Partial and Infinite Values


Nils Anders Danielsson, Patrik Jansson

Lecture Notes in Computer Science, Dexter Kozen, Carron Shankland, Mathematics of Program Construction, 7th International Conference, MPC 2004, Stirling, Scotland, UK, July 12-14, 2004, Proceedings, vol. 3125, Springer, 2004, pp. 85--109


Global Systems Science


Responsibility Under Uncertainty: Which Climate Decisions Matter Most?


Nicola Botta, Nuria Brede, Michel Crucifix, Cezar Ionescu, Patrik Jansson, Zheng Li, Marina Martínez, Tim Richter

Environmental Modeling & Assessment, Springer Science and Business Media LLC, 2023 Feb


The impact of uncertainty on optimal emission policies


Nicola Botta, Patrik Jansson, Cezar Ionescu

Earth System Dynamics, vol. 9, Copernicus GmbH, 2018, pp. 525--542


Contributions to a computational theory of policy advice and avoidability


Nicola Botta, Patrik Jansson, Cezar Ionescu

J. Funct. Program., vol. 27, Cambridge University Press, 2017, pp. e23


Sequential decision problems, dependent types and generic solutions


Nicola Botta, Patrik Jansson, Cezar Ionescu, David R. Christiansen, Edwin C. Brady

Log. Methods Comput. Sci., vol. 13, Episciences. org, 2017


Towards a Computational Theory of GSS: a Case for Domain-Specific Languages


Patrik Jansson, Cezar Ionescu, Nicola Botta

Third Open Global Systems Science Conference, http://global-systems-science.org/3-open-gss-conference/, 2014


Dependently-Typed Programming in Scientific Computing - Examples from Economic Modelling


Cezar Ionescu, Patrik Jansson

Lecture Notes in Computer Science, Ralf Hinze, Implementation and Application of Functional Languages - 24th International Symposium, IFL 2012, Oxford, UK, August 30 - September 1, 2012, Revised Selected Papers, vol. 8241, Springer, 2012, pp. 140--156


Testing versus proving in climate impact research


Cezar Ionescu, Patrik Jansson

LIPIcs, Nils Anders Danielsson, Bengt Nordström, 18th International Workshop on Types for Proofs and Programs, TYPES 2011, September 8-11, 2011, Bergen, Norway, vol. 19, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2011, pp. 41--54


Testing


Testing type class laws


Johan Jeuring, Patrik Jansson, Cláudio Amaral

Janis Voigtländer, Proceedings of the 5th ACM SIGPLAN Symposium on Haskell, Haskell 2012, Copenhagen, Denmark, 13 September 2012, ACM, 2012, pp. 49--60


Testing Polymorphic Properties


Jean-Philippe Bernardy, Patrik Jansson, Koen Claessen

Lecture Notes in Computer Science, Andrew D. Gordon, Programming Languages and Systems, 19th European Symposium on Programming, ESOP 2010, Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS 2010, Paphos, Cyprus, March 20-28, 2010. Proceedings, vol. 6012, Springer, 2010, pp. 125--144


Testing Properties of Generic Functions


Patrik Jansson, Johan Jeuring, Laurence Cabenda, Gerbo Engels, Jacob Kleerekoper, Sander Mak, Michiel Overeem, Kees Visser

Lecture Notes in Computer Science, Zoltán Horváth, Viktória Zsók, Andrew Butterfield, Implementation and Application of Functional Languages, 18th International Symposium, IFL 2006, Budapest, Hungary, September 4-6, 2006, Revised Selected Papers, vol. 4449, Springer, 2006, pp. 217--234


Polytypic / Generic Programming


Extensional equality preservation and verified generic programming


Nicola Botta, Nuria Brede, Patrik Jansson, Tim Richter

J. Funct. Program., vol. 31, Cambridge University Press, 2021


Generic programming with C++ concepts and Haskell type classes - a comparison


Jean-Philippe Bernardy, Patrik Jansson, Marcin Zalewski, Sibylle Schupp

J. Funct. Program., vol. 20, Cambridge University Press, 2010, pp. 271--302


Generic Libraries in C++ with Concepts from High-Level Domain Descriptions in Haskell


Daniel Lincke, Patrik Jansson, Marcin Zalewski, Cezar Ionescu

Lecture Notes in Computer Science, Walid Mohamed Taha, Domain-Specific Languages, IFIP TC 2 Working Conference, DSL 2009, Oxford, UK, July 15-17, 2009, Proceedings, vol. 5658, Springer, 2009, pp. 236--261


A comparison of C++ concepts and Haskell type classes


Jean-Philippe Bernardy, Patrik Jansson, Marcin Zalewski, Sibylle Schupp, Andreas P. Priesnitz

Ralf Hinze, Don Syme, Proceedings of the ACM SIGPLAN Workshop on Generic Programming, WGP 2008, Victoria, BC, Canada, September 20, 2008, ACM, 2008, pp. 37--48


Comparing libraries for generic programming in haskell


Alexey Rodriguez, Johan Jeuring, Patrik Jansson, Alex Gerdes, Oleg Kiselyov, Bruno C. d. S. Oliveira

Andy Gill, Proceedings of the 1st ACM SIGPLAN Symposium on Haskell, Haskell 2008, Victoria, BC, Canada, 25 September 2008, ACM, 2008, pp. 111--122


Prototyping Generic Programming in Template Haskell


Ulf Norell, Patrik Jansson

Lecture Notes in Computer Science, Dexter Kozen, Carron Shankland, Mathematics of Program Construction, 7th International Conference, MPC 2004, Stirling, Scotland, UK, July 12-14, 2004, Proceedings, vol. 3125, Springer, 2004, pp. 314--333


Universes for Generic Programs and Proofs in Dependent Type Theory


Marcin Benke, Peter Dybjer, Patrik Jansson

Nord. J. Comput., vol. 10, 2003, pp. 265--289


Polytypic Programming in Haskell


Ulf Norell, Patrik Jansson

Lecture Notes in Computer Science, Philip W. Trinder, Greg Michaelson, Ricardo Pena, Implementation of Functional Languages, 15th International Workshop, IFL 2003, Edinburgh, UK, September 8-11, 2003, Revised Papers, vol. 3145, Springer, 2003, pp. 168--184


Polytypic data conversion programs


Patrik Jansson, Johan Jeuring

Sci. Comput. Program., vol. 43, Elsevier, 2002, pp. 35--75


Functional Polytypic Programming


Patrik Jansson

Chalmers University of Technology, Gothenburg, Sweden, 2000


A Framework for Polytypic Programming on Terms, with an Application to Rewriting


Patrik Jansson, Johan Jeuring

Proceedings Workshop on Generic Programming (WGP2000), Ponte de Lima, Portugal, 2000


Polytypic Compact Printing and Parsing


Patrik Jansson, Johan Jeuring

Lecture Notes in Computer Science, S. Doaitse Swierstra, Programming Languages and Systems, 8th European Symposium on Programming, ESOP'99, Held as Part of the European Joint Conferences on the Theory and Practice of Software, ETAPS'99, Amsterdam, The Netherlands, 22-28 March, 1999, Proceedings, vol. 1576, Springer, 1999, pp. 273--287


Generic Programming: An Introduction


Roland Carl Backhouse, Patrik Jansson, Johan Jeuring, Lambert G. L. T. Meertens

Lecture Notes in Computer Science, S. Doaitse Swierstra, Pedro Rangel Henriques, José Nuno Oliveira, Advanced Functional Programming, Third International School, Braga, Portugal, September 12-19, 1998, Revised Lectures, vol. 1608, Springer, 1998, pp. 28--115


Polytypic Unification


Patrik Jansson, Johan Jeuring

J. Funct. Program., vol. 8, Cambridge University Press, 1998, pp. 527--536


PolyLib—A library of polytypic functions


Patrik Jansson, Johan Jeuring

Workshop on generic programming, WGP'98, 1998


Functional polytypic programming use and implementation


Patrik Jansson

Department of Computing Science, Chalmers University of Technology, Sweden, 1997


PolyP - A Polytypic Programming Language


Patrik Jansson, Johan Jeuring

Peter Lee, Fritz Henglein, Neil D. Jones, Conference Record of POPL'97: The 24th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, Papers Presented at the Symposium, Paris, France, 15-17 January 1997, ACM Press, 1997, pp. 470--482


Polytypic Programming


Johan Jeuring, Patrik Jansson

Lecture Notes in Computer Science, John Launchbury, Erik Meijer, Tim Sheard, Advanced Functional Programming, Second International School, Olympia, WA, USA, August 26-30, 1996, Tutorial Text, vol. 1129, Springer, 1996, pp. 68--114


Polytypism and polytypic unification


Patrik Jansson

Chalmers University of Technology, Sweden, 1995


Other topics


Bayesian optimization of massive material injection for disruption mitigation in tokamaks


I. Pusztai, I. Ekmark, H. Bergström, P. Halldestam, P. Jansson, M. Hoppe, O. Vallhagen, T. Fülöp

Journal of Plasma Physics, vol. 89(2), 2023


Saint: An API-Generic Type-Safe Interpreter


Maximilian Algehed, Patrik Jansson, Sólrún Halla Einarsdóttir, Alex Gerdes

Lecture Notes in Computer Science, Michal H. Palka, Magnus O. Myreen, Trends in Functional Programming - 19th International Symposium, TFP 2018, Gothenburg, Sweden, June 11-13, 2018, Revised Selected Papers, vol. 11457, Springer, 2018, pp. 94--113


Interfacing dynamically typed languages and the Why tool: reasoning about lists and tuples


Cláudio Amaral, Mário Florido, Patrik Jansson

Kenji Rikitake, Erik Stenman, Proceedings of the 10th ACM SIGPLAN workshop on Erlang, Tokyo, Japan, September 23, 2011, ACM, 2011, pp. 92--93

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