Inverse Complexity Lab
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invcomplexity.skewed.de
Inverse Complexity Lab
@invcomplexity.skewed.de
Research group @ IT:U, Austria, focusing on inverse problems in network science and complex systems.

https://skewed.de/lab

Led by Tiago Peixoto (@tiago.skewed.de).
Pinned
Last week we had our second “Inverse Complexity Lab Retreat” at wonderful Traunkirchen!

skewed.de/lab/group.ht...

Nothing like eldritch C++ incantations by the sunny lakeside! 🏖️
Reposted by Inverse Complexity Lab
Just out on @royalsocietypublishing.org:

"Scalable network reconstruction in subquadratic time"

royalsocietypublishing.org/doi/10.1098/...

Previous explainer thread here: bsky.app/profile/tiag...

Code here: graph-tool.skewed.de/static/docs/...
November 5, 2025 at 8:11 AM
Reposted by Inverse Complexity Lab
Double feature, just out on @royalsocietypublishing.org:

"Uncertainty quantification and posterior sampling for network reconstruction"

Previous explainer thread here: bsky.app/profile/tiag...

Code here: graph-tool.skewed.de/static/docs/...

royalsocietypublishing.org/doi/10.1098/...
November 5, 2025 at 8:15 AM
Very happy that Lena joined the group! 🚀
🎓 Short interview with me by the lovely people at @cams.ehess.fr , where I wrapped up my PhD this summer ✨ In 🇫🇷, with a longer version also available in 🇬🇧: shorturl.at/FjNRA
🔎 Découvrez l’interview de Lena Mangold, jeune docteure de l’EHESS (CAMS), qui vient de débuter un postdoctorat au sein de l’Inverse Complexity Lab (IT:U, Austria) !
September 5, 2025 at 9:28 AM
Reposted by Inverse Complexity Lab
🎓 Short interview with me by the lovely people at @cams.ehess.fr , where I wrapped up my PhD this summer ✨ In 🇫🇷, with a longer version also available in 🇬🇧: shorturl.at/FjNRA
🔎 Découvrez l’interview de Lena Mangold, jeune docteure de l’EHESS (CAMS), qui vient de débuter un postdoctorat au sein de l’Inverse Complexity Lab (IT:U, Austria) !
September 4, 2025 at 2:58 PM
Last week we had our second “Inverse Complexity Lab Retreat” at wonderful Traunkirchen!

skewed.de/lab/group.ht...

Nothing like eldritch C++ incantations by the sunny lakeside! 🏖️
August 8, 2025 at 2:03 PM
Reposted by Inverse Complexity Lab
Tomorrow 1.30-2.30pm, poster ID 82
Attending @ic2s2.bsky.social? Checkout the poster presented by @thomrobiglio.bsky.social! #ic2s2
New preprint: “Multiscale patterns of migration flows in Austria: regionalization, administrative barriers, and urban-rural divides”, with @thomrobiglio.bsky.social, Martina Contisciani, @martonkarsai.bsky.social, arxiv.org/abs/2507.11503
July 22, 2025 at 11:43 AM
New preprint: “Multiscale patterns of migration flows in Austria: regionalization, administrative barriers, and urban-rural divides”, with @thomrobiglio.bsky.social, Martina Contisciani, @martonkarsai.bsky.social, arxiv.org/abs/2507.11503
Multiscale patterns of migration flows in Austria: regionalization, administrative barriers, and urban-rural divides
Migration is central in various societal problems related to socioeconomic development. While much of the existing research has focused on international migration, migration patterns within a single c...
arxiv.org
July 22, 2025 at 8:38 AM
Reposted by Inverse Complexity Lab
Are you from the US and would like to work as a postdoc in Austria, maybe in our lab? 25 new fellowships will be available in July from the @oeaw.bsky.social: www.oeaw.ac.at/en/news/25-n...

If you are interested; get in touch!
25 new scholarships for US researchers
Fonds Zukunft Österreich (FZÖ) is providing €10 million in funding for an academy program to bring postdocs from the USA to Austria ++ Faßmann: “The right signal in these turbulent times”
www.oeaw.ac.at
June 29, 2025 at 1:28 PM
Are you from the US and would like to work as a postdoc in Austria, maybe in our lab? 25 new fellowships will be available in July from the @oeaw.bsky.social: www.oeaw.ac.at/en/news/25-n...

If you are interested; get in touch!
25 new scholarships for US researchers
Fonds Zukunft Österreich (FZÖ) is providing €10 million in funding for an academy program to bring postdocs from the USA to Austria ++ Faßmann: “The right signal in these turbulent times”
www.oeaw.ac.at
June 29, 2025 at 1:28 PM
Reposted by Inverse Complexity Lab
June 4, 2025 at 7:11 AM
Reposted by Inverse Complexity Lab
A couple of weeks ago we had our first “Complexity Lab Retreat” at great location in Traunkirchen!

skewed.de/lab/group.ht...

We had the opportunity to flex our methodological muscles and learn the dark secrets of the C++ internals of @graph-tool.skewed.de! 💀🤘
April 24, 2025 at 4:10 PM
A couple of weeks ago we had our first “Complexity Lab Retreat” at great location in Traunkirchen!

skewed.de/lab/group.ht...

We had the opportunity to flex our methodological muscles and learn the dark secrets of the C++ internals of @graph-tool.skewed.de! 💀🤘
April 24, 2025 at 4:10 PM
Reposted by Inverse Complexity Lab
🚨 New paper on ArXiv:

“Uncertainty quantification and posterior sampling for network reconstruction”

TL;DR; We present an efficient method to sample the entire ensemble of possible network reconstructions that are compatible with an indirect observation, e.g. a dynamics.

Short thread: 1/N
March 12, 2025 at 11:57 AM
February 19, 2025 at 8:09 AM
Reposted by Inverse Complexity Lab
Good news for Arch GNU/Linux users! Graph-tool is now available in the main repository! To install it, just do:

pacman -S python-graph-tool

The days of compiling graph-tool from AUR are over!

Rejoice! 🎉
January 3, 2025 at 5:46 PM
Reposted by Inverse Complexity Lab
Get 2025 started by reducing your compile times!

graph-tool.skewed.de
Good news for Arch GNU/Linux users! Graph-tool is now available in the main repository! To install it, just do:

pacman -S python-graph-tool

The days of compiling graph-tool from AUR are over!

Rejoice! 🎉
January 3, 2025 at 5:48 PM
Reposted by Inverse Complexity Lab
🚨 Job alert 🚨

IT:U is hiring 5 professors (open rank) in Data Science, very broadly defined!

Focuses include (among others):

1. Theoretical Foundations of Data Science
2. Data Science in Biological Systems
3. Data Science in Human Mobility

it-u.at/en/careers/p... 1/2
Professor of Data Science | IT:U
it-u.at
December 20, 2024 at 6:54 PM
Reposted by Inverse Complexity Lab
Good news everyone! A new version of graph-tool is just out! @graph-tool.skewed.de

graph-tool.skewed.de

Graph-tool is a comprehensive and efficient Python library to work with networks, including structural, dynamical, and statistical algorithms, as well as visualization. 1/N

#networkscience
December 2, 2024 at 12:55 PM
Reposted by Inverse Complexity Lab
🚨Job alert!🚨

Come join us at the Inverse Complexity Lab @invcomplexity.skewed.de

We’re hiring a post-doctoral researcher to join our group at IT:U, Linz, Austria.

skewed.de/lab/call.html

Deadline is 30 Nov 2024. (Next Saturday!)

Spread the word.

#networkscience #complexsystems
Open post-doc position at the Inverse Complexity Lab – Tiago P. Peixoto
Inverse Complexity Lab
skewed.de
November 25, 2024 at 8:06 AM
Reposted by Inverse Complexity Lab
Did you know that you install @graph-tool.skewed.de via @condaproject.bsky.social, it will install binaries that are
optimized for your specific CPU micro-architecture, including SIMD vectorization, in addition to having OpenMP enabled?
It's awesome! Try it out today!
November 13, 2024 at 9:40 PM
Reposted by Inverse Complexity Lab
Great postdoc opportunity to wrok with @skewed.de at the Inverse Complexity Lab (@invcomplexity.bsky.social) at the new university IT:U in Linz.

#Complexity 🧪
🚨Job alert!🚨
Come join us at the Inverse Complexity Lab! @invcomplexity.bsky.social

We’re hiring a post-doctoral researcher to join our group at IT:U, Linz, Austria.

skewed.de/lab/call.html

Deadline is 30 Nov 2024.

1/8
November 11, 2024 at 10:30 PM
Reposted by Inverse Complexity Lab
🚨Job alert!🚨
Come join us at the Inverse Complexity Lab! @invcomplexity.bsky.social

We’re hiring a post-doctoral researcher to join our group at IT:U, Linz, Austria.

skewed.de/lab/call.html

Deadline is 30 Nov 2024.

1/8
October 15, 2024 at 3:57 PM
Hello world! We're a research group led by Tiago Peixoto (@skewed.de) at the newly founded IT:U, Linz, Austria.

We focus on inverse problems in network science and complex systems.

Learn more at: skewed.de/lab

Follow this account to get scientific updates!

#NetSci #NetSky #ComplexSystems
Inverse Complexity Lab – Tiago P. Peixoto
Inverse Complexity Lab
skewed.de
September 24, 2024 at 7:36 PM
Reposted by Inverse Complexity Lab
FolIow, if you want to be updated about all the inverse complexity we are doing!
Hello world! We're a research group led by @skewed.de at the newly founded IT:U, Linz, Austria.

We focus on inverse problems in network science and complex systems.

Follow this account to get scientific updates!
September 23, 2024 at 4:48 PM