Independent Researcher. Interests: Constraint Modeling, Logic Programming, (Recreational) Mathematics, Probabilistic programming. Co-author of the Picat book.
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Software Developer (Retired) / Independent Researcher
- Malmoe, Sweden
- http://www.hakank.org/
- @hakankj
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hakank Public
My public programs and models - mostly combinatorial problems and puzzles
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mzn-challenge Public
Forked from MiniZinc/mzn-challengeAn archive repository containing the MiniZinc instances used for the MiniZinc Challenge
HTML UpdatedMay 27, 2025 -
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picat Public
Forked from bernschneider/picatsome picat programs
GNU General Public License v3.0 UpdatedJul 18, 2024 -
perlweeklychallenge-club Public
Forked from manwar/perlweeklychallenge-clubKnowledge base for The Weekly Challenge club members using Perl, Raku etc
Perl UpdatedNov 25, 2023 -
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magicpopper Public
Forked from celinehocquette/magicpopperC. Hocquette and A. Cropper, Learning programs with magic values.
Prolog UpdatedAug 26, 2022 -
cpmpy Public
Forked from CPMpy/cpmpyConstraint Programming and Modeling library in Python, based on numpy, with direct solver access.
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picat_genutils Public
Forked from dilshadmustafa/picat_genutilsGeneral utilities for Picat programming language
C Other UpdatedOct 12, 2021