Matthias Köppe

Matthias Köppe

@mkoeppe.bsky.social

Professor, UC Davis #Mathematics. He/him. #DavisCA. Made #SageMath pip-installable @passagemath.org. https://github.com/mkoeppe #Python #OpenSource #cutgeneratingfunctionology #optimization #orms I block accounts to increase reading focus.

923 Followers 431 Following 478 Posts Joined Nov 2024
1 hour ago
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Release passagemath-10.8.2 · passagemath/passagemath Rich output in marimo notebooks When passagemath-repl is imported in a marimo notebook, it now automatically installs a custom display manager, making rich output available. It can be customized by...

Just tagged release 10.8.2 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath. Distributions are now being built for PyPI.
github.com/passagemath/...

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1 day ago
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Release passagemath-10.8.2.rc4 · passagemath/passagemath marimo What's Changed Fix NameError in Partitions.cardinality() when passagemath-flint is absent by @sacchen in #2253 Fix doctest regressions by @mkoeppe in #2257 pkgs/sagemath-combinat: Add # nee...

Release candidate 10.8.2.rc4 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...

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4 days ago
Release passagemath-10.8.2.rc3 · passagemath/passagemath What's Changed src/sage/structure/category_object.pyx: Undo rename of unique representation object in doctest by @mkoeppe in #2234 pkgs/sagemath-lcalc: Ship the lcalc binary by @mkoeppe in #2235 b...

Release candidate 10.8.2.rc3 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...

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5 days ago

But how to manage perfectionism when recording?

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6 days ago

Apropos of nothing, @ucdavis.bsky.social

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6 days ago
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Long-COVID Sufferer Awarded Nearly $1M After Employer Refused to Let Her Work From Home | Law.com A jury in Nassau County awarded $954,000 to a longtime employee of Stony Brook University Hospital Blood Bank.

A woman with Long Covid won almost one million dollars in a lawsuit against her employer who refused to allow her work from home accommodations.

May this set a precedent.

Remote work should be accessible to all who need it.

It’s a game changer for people with disabilities.

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6 days ago
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The passagemath project, created in October 2024, celebrates today its first-ever mention in a #SageMath Google Groups post that is not a defamation.
groups.google.com/g/sage-devel...
#Python #OpenSource #Totalitarianism

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1 week ago
Release passagemath-10.8.2.rc2 · passagemath/passagemath What's Changed src/sage/categories/homset.py: Undo renames of unique representation objects in doctests by @mkoeppe in #2228 Relax doctests with PosixPath in the output by @mkoeppe in #2229 src/sa...

Release candidate 10.8.2.rc2 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...

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1 week ago
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Math Prof. @mariagillespie.bsky.social, founder of MaskTogetherColorado ( @wemaskcolorado.bsky.social), was interviewed by Óscar Contreras, @denver7.bsky.social for advocating for universal masking in Colorado hospitals to combat the unprecedented surge in flu cases. bit.ly/Denver7_on_MTC 🧵

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1 week ago
Release passagemath-10.8.2.rc1 · passagemath/passagemath What's Changed Install .pyi files by @mkoeppe in #2213 Fix doctests related to singular: make them compatible with newer releases of Singular by @jhpalmieri, backported by @mkoeppe in #2211 build/...

Release candidate 10.8.2.rc1 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...

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1 week ago

Come see me speak about the new era of simplex method theory. Wednesday!

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1 week ago
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Release passagemath-10.8.2.rc0 · passagemath/passagemath passagemath-highs updates HiGHS has been update to version 1.13.1. passagemath-singular updates Singular has been updated to version 4.4.1p5. passagemath-symbolics updates Dependencies on passagema...

Release candidate 10.8.2.rc0 of passagemath, the comprehensive #OpenSource #Mathematics system in #Python, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...

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2 weeks ago
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Today in the @ucdavis.bsky.social arboretum in #DavisCA.

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2 weeks ago
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Updated table of #SageMath / passagemath distributions and deployments github.com/passagemath#..., now including #WebAssembly deployment with @jupyter.org JupyterLite.
#Python #OpenSource #Mathematics

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2 weeks ago
CLHS: Section The Printer Dictionary

No literature review of pretty printing can be complete without mentioning www.lispworks.com/documentatio...

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2 weeks ago
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First @jupyter.org JupyterLite #Python notebook for serverless, in-browser #SageMath computations in algebraic combinatorics, using passagemath-combinat compiled to #WebAssembly with @emscripten.org
passagemath.org/passagemath-...
#OpenSource #Mathematics

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2 weeks ago
Screenshot of Bluesky posts by Will Stancil questioning why more Twin Cities businesses require masks and suggesting masking is becoming a left-coded political signal Screenshot of Bluesky posts by Jamelle Bouie saying that vaccination and staying home when sick are public health obligations, but masking at all times in public is unreasonable and driven more by fear than rational threat assessment Screenshot of Bluesky posts by Michael Hobbes arguing that saying "during COVID" is ok given declining death trends since 2022, along with a CDC chart of weekly U.S. COVID deaths, posted on top of Arielle Duhaime-Ross criticizing the phrase as implying the pandemic is over

Starting a thread of large lib accounts on here who minimize Covid/long Covid and in turn contribute to the stigmatization of people who still mask

(If you follow or reshare these folks, please reconsider)

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2 weeks ago
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Updated passagemath platform table.
github.com/passagemath/...
#Python #SageMath #OpenSource #Mathematics

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3 weeks ago

First passagemath #WebAssembly packages available on the @prefix.dev emscripten-forge channel
#Python #SageMath #OpenSource #Mathematics

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3 weeks ago

This is Colum̈n Gen̈eration

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3 weeks ago
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I approve of putting .. on top of more letters

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3 weeks ago

Packaging of passagemath for emscripten-forge, for serverless use in the web browser with JupyterLite.
github.com/emscripten-f...
#SageMath #Python

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3 weeks ago
A small grey and brown thrasher with streaky breast and Buffy face patching is doing a run. Suspicious thrasher is suspicious

An unexpected find while out checking vernal pools today, a Sage Thrasher in Yolo County! Not where I expected to see you, but ok. 🪶

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3 weeks ago
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Packaging request: passagemath - modularized fork of SageMath · Issue #4384 · emscripten-forge/recipes https://github.com/passagemath provides the full functionality of the SageMath system in modularized form as 120 pip-installable packages. I'd be interested in collaborating on making passagemath a...

A packaging effort for passagemath's WebAssembly port has started in emscripten-forge.
github.com/emscripten-f...

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1 month ago
Springer advertisement for the "Branch-and-Price" book

our #openaccess book on "branch-and-price" is finally published; you can download it here link.springer.com/book/10.1007...

#orms @springernature.com

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1 month ago
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Release passagemath-10.8.1 · passagemath/passagemath Support for Python 3.10 dropped The passagemath-10.8.x series supports Python 3.11–3.14. The passagemath-10.6.x series, which includes support for Python 3.10, is still supported until October 2026...

First stable release of the 10.8.x series of passagemath, the pip-installable modularized fork of #SageMath. Up to date with SageMath 10.9.beta3 (Jan 2026). Binary wheels uploaded for Linux, macOS, Windows, for the x86_64 & ARM platforms.
github.com/passagemath/...
#Python #OpenSource #Mathematics

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1 month ago
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Release passagemath-10.8.1.rc3 · passagemath/passagemath Final release candidate passagemath-highs This new pip-installable package ships a mixed-integer linear programming backend using the HiGHS solver. Package upgrades CVXpy has been upgraded from ver...

Final release candidate 10.8.1.rc3 of passagemath, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...
#Python #OpenSource #Mathematics #orms

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1 month ago
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Release passagemath-10.8.1.rc2 · passagemath/passagemath What's Changed build/pkgs/{regina,khoca}: Add 'math' tag by @mkoeppe in #2095 pkgs/sagemath-gfan/MANIFEST.in: Add missing file src/sage/interfaces/gfan.py by @mkoeppe in #2103 sage.interfaces.giac...

Release candidate 10.8.1.rc2 of passagemath, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...
#Python #OpenSource #Mathematics

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1 month ago
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Release passagemath-10.8.1.rc1 · passagemath/passagemath More binary wheels for Windows on ARM Binary wheels for Windows on ARM are now also available for the following distribution packages: passagemath-cmr passagemath-m4ri-m4rie passagemath-modules pa...

Release candidate 10.8.1.rc1 of passagemath, the pip-installable modularized fork of #SageMath.
github.com/passagemath/...
#Python #OpenSource #Mathematics

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1 month ago

Once again, imagine this happening at the ICM - there's no way we (the U.S.) can host the ICM responsibly #mathsky

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