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permalink: /links
title: Links
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Here are some links I find interesting or helpful, or both. Listed in no particular order.

-   [CodaLab](https://competitions.codalab.org/competitions/)
-   [HaskellForMaths](https://haskellformaths.blogspot.com/)
-   [Open Problem Garden](http://www.openproblemgarden.org/)
-   [AMS open notes](http://www.ams.org/open-math-notes)
-   [Macdonald polynomials webpage](http://garsia.math.yorku.ca/MPWP/)
-   [Hacker News](https://news.ycombinator.com/)
-   [Armin Straub](http://arminstraub.com/)
-   [Bill Cherowitzo](http://www-math.ucdenver.edu/~wcherowi/)
-   [Richard Stallman](https://stallman.org/)
-   [Aaron Swartz](http://www.aaronsw.com/) - The Internet's own boy
-   [False, Misleading, Clickbait-y, and/or Satirical “News” Sources](https://docs.google.com/document/d/10eA5-mCZLSS4MQY5QGb5ewC3VAL6pLkT53V_81ZyitM/preview)
-   [Differential Equations & Linear Algebra](http://www.math.utah.edu/~jasonu/deala/) - Lecture notes on the web
-   [William Stein](http://wstein.org/) - William Stein, the creator of SageMath
    -   [The origins of SageMath](http://wstein.org/talks/2016-06-sage-bp/) Stein's BP centenary talk at Harvard
-   [SageMath](http://www.sagemath.org/) - Open-source maths software system   
-   [Project Euler](https://projecteuler.net/)
-   [Blockly games](https://blockly-games.appspot.com/about?lang=en)
-   [Math ∩ Programming](https://jeremykun.com/)
-   [Authorea](https://www.authorea.com/)
-   [Big Data](http://bigdata.show)
-   [Fermat's Library](http://fermatslibrary.com/)
-   [Tricki](http://www.tricki.org/)
-   [AMS Feature Column](http://www.ams.org/samplings/feature-column/fc-current.cgi)
-   [arXiv](https://arxiv.org)
-   [What's new](https://terrytao.wordpress.com/) - Terence Tao's blog
-   [Gowers's weblog](https://gowers.wordpress.com/) - Timothy Gowers's blog
-   [Polymath](http://michaelnielsen.org/polymath1/index.php?title=Main_Page) - MMO maths research
-   [OEIS](https://oeis.org/) - The On-Line Encyclopedia of Integer Sequences® (OEIS®)
-   [Vi IMproved](http://www.vim.org) - the one true text editor.
    Plugins:
    -   [vim-latex](http://vim-latex.sourceforge.net/) - for latexing
    -   [vimwiki](https://code.google.com/p/vimwiki/) - a wiki tool with google wiki-like markup
    -   [neocomplete](https://github.com/Shougo/neocomplete.vim) - for auto-completion
-   [vimperator](http://www.vimperator.org/vimperator) - turn your Firefox into Vim
-   [muttator](http://www.vimperator.org/muttator) - turn your Thunderbird into Vim
-   [zathura](http://pwmt.org/projects/zathura/) - turn your pdf reader into Vim
-   [i3wm](https://i3wm.org/) - turn your window manager into Vim
-   [VimGolf](http://www.vimgolf.com/) 
-   [Regex Golf](http://regex.alf.nu/) 
-   [Regex Crossword](http://regexcrossword.com/) 
-   [Arch Linux](http://archlinux.org) 
-   [Jupyter notebook](https://jupyter.org/) - An open-source notebook
-   Stackexchange sites
    -   [Mathoverflow](https://mathoverflow.net/)
    -   [Mathematics](https://math.stackexchange.com/)
    -   [Codegolf](https://codegolf.stackexchange.com/) - The most fun corner of Stackexchange.
-   [Danial Bump](http://math.stanford.edu/~bump/)
-   [Bill Casselman](http://www.math.ubc.ca/~cass/)