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Posts by Violeta Calleja

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📅Next Tuesday, our online seminar speaker will be Lisa Buche @lili-buche.bsky.social (ETH Zürich), presenting:

⭐Moving beyond linear interactions in community ecology⭐

Zoom link: iite.info/seminar/
Global times: www.timeanddate.com/worldclock/f...

Free and open to all - we hope to see you there!

10 hours ago 12 15 0 0

Interesting reading for ecologists considering adding higher-order interactions into their models.

Stay tuned for our next preprint on this! 👀

2 days ago 2 1 0 0
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From Arjun Krishnan @compbiologist.bsky.social

Expertise before augmentation: a practical guide to using generative AI during research training: zenodo.org/records/1845...

Build expertise first: why PhD training must sequence AI use after foundational skill development: zenodo.org/records/1864...

2 months ago 9 3 1 1
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In 1836, Darwin visited this crater in Ascension Island and wrote:

“These saucer-shaped layers crop out on the margin, forming perfect rings of many different colours, giving to the summit a most fantastic appearance... hence the hill has been called the Devil’s Riding School.”

1 week ago 7 1 0 0

The issue is that attention doesn't scale. I already have to ignore good papers because there are simply too many.
If it hasn't been filtered through human critical thought... it’s just more noise added to the already oversaturated publication world 🫠

3 weeks ago 0 0 0 0
University of Chicago Press Journals: Cookie absent

This is just the first of many outputs from our amazing interdisciplinary team:
1 🌱 ecologist + 1 🍎 physicist-turned-theoretical ecologist from @ebdonana.bsky.social, joining forces with 3 🧮 mathematicians + 1 🦉 philosopher from @unisevilla.us.es
www.journals.uchicago.edu/doi/10.1086/...

3 weeks ago 5 0 0 0
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Cooperation maximizes biodiversity | The American Naturalist: Vol 0, No ja

For too long, theoretical ecology has been heavily biased toward competition. We hope our work sparks new discussions on building robust theoretical models that treat cooperation as an equally important driver of biodiversity.
Let us know your thoughts!
www.journals.uchicago.edu/doi/abs/10.1...

3 weeks ago 3 0 1 0
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3️⃣ Alternative Assembly Pathways: Because cooperation expands the feasibility domain, it creates a "bloom" of alternative assembly graphs, so communities gain multiple different structural pathways to reach a state where all species coexist

3 weeks ago 2 0 1 0
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2️⃣ Intertwined Biodiversity: Cooperation allows for species that couldn't persist on their own. Species with negative intrinsic growth rates in harsh environments can survive and thrive simply due to the presence of cooperative species 🤝

3 weeks ago 2 0 1 0
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1️⃣ Enlarged Coexistence Opportunities: Cooperation enlarges the range of conditions allowing species to coexist compared to competition. The effect is non-linear: as community size grows, cooperation increases the range of possible intrinsic growth of species

3 weeks ago 2 0 1 0

Using the structural stability framework, our paper serves as a proof of concept to show how positive interactions (aka facilitation, mutualism, or your word of choice) expand on coexistence mechanisms. We identified 3 distinct ways cooperation maximizes biodiversity:

3 weeks ago 3 0 1 0
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Cooperation maximizes biodiversity | The American Naturalist: Vol 0, No ja

Finally! Here is our perspective on why cooperation maximizes diversity and how it promotes additional coexistence mechanisms that do not occur under competition
journals.uchicago.edu/doi/abs/10.1...
This is a hard topic with strong opinions... Thanks @asn-amnat.bsky.social for publishing it! 🧵👇

3 weeks ago 56 20 5 0
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Wikipedia Bans AI-Generated Content “In recent months, more and more administrative reports centered on LLM-related issues, and editors were being overwhelmed.”

after much deliberation and giving AI the benefit of the doubt, Wikipedia editors have had enough of AI slop. New policy bans LLM generated content, periodt www.404media.co/wikipedia-ba...

3 weeks ago 8309 2312 106 273
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Hoy hablaré en el programa “A vivir que son dos días” en la cadena SER sobre la terraformación de la Isla de Ascensión. cadenaser.com/cadena-ser/a...

4 weeks ago 7 2 1 0
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ArXiv, the pioneering preprint server, declares independence from Cornell As an independent nonprofit, it hopes to raise funds to cope with exploding submissions and “AI slop”

This isn't good news.

The ArXiv has been the best — and single — holdout of truly nonprofit academic publishing, even if it's “only” a pre-print server.

This moves us away from a more dignified academic publishing system, not closer.

www.science.org/content/arti...

1 month ago 14 4 1 2
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Grants Young Researchers of the Complex Systems Society

✨ Our grants are back! ✨

Young researcher in Complex Systems?

Apply for yrCSS grants to support:

💡 conferences / schools / workshops
🤝 research visits & collaborations
🌍 extra support for low-income countries

🗓️ Deadline: 20 March 2026

👉 yrcss.cssociety.org/grants/

1 month ago 13 12 0 0

New blog post:

"Higher orders need higher standards"

skewed.de/lab/posts/hi...

I discuss our current work disentangling misconceptions around "higher-order" networks: arxiv.org/abs/2602.16937

Explainer thread for the paper here: bsky.app/profile/tiag...

1 month ago 39 21 1 3
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The NYT style guide

1 month ago 8232 3316 70 106
TENET@NetSci2025

📣 Join us for the TENET satellite at @netsciconf.bsky.social in Boston!
Following the enthusiasm for last year’s editions, we're bringing together researchers working on Temporal Networks!
✏️2 pages abstracts
📆 Submit by Feb 20, 2026
🔗 more info here: tinyurl.com/4zevnyft

2 months ago 2 6 0 0
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‘The Ecology of Ecologists’: what, if anything, is ecology? (book review) What, if anything, is ecology? You would think I’d know that – I’ve been a practicing (academic) ecologist for about 40 years. But I don’t. Sure, I know some stuff. I know that ecology isn’t the sa…

Jeremy Fox has a new book out, 'The Ecology of Ecologists'. What's that about, and should you read it? (Quick answers: how ecology's chaos of approaches is a feature, not a bug; and YES.) scientistseessquirre... 🌍🧪

2 months ago 27 9 1 0

Congrats Dr Maull!

2 months ago 1 0 0 0
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The “Epstein Files” and the anatomy of hidden social networks How secrecy reshapes structure and why its analysis is conditional on the data

A lot of “network analysis” about the Epstein Files.

Nearly all of them missing the point: when a system operates under strong incentives for discretion, what gets documented is NOT a neutral sample of reality.
Results are conditional on what is observed!

open.substack.com/pub/manlius/...

2 months ago 16 9 1 0
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☀️ 2026 Summer School in the Pyrenees - Unifying Mathematical Models of Biodiversity
Applications are now open!
This school offers a state-of-the-art overview for interdisciplinary theoreticians.
🗓️ July 5-11
🎯 PhD students to senior researchers
ℹ️ intp.science/en/summer26....
📭 contact@intp.science
🌐🧪

2 months ago 20 10 0 1

Apply now to become a member of the Advisory Board!

2 months ago 2 3 0 0
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Excited to share a new PhD thesis from my student and soon Dr @vmaull.bsky.social on synthetic ecosystems, preventing tipping points, and a new concept: emergent bioengineering. Very proud of this achievement, and thankful to @sfiscience.bsky.social, where many of these ideas came to life.

2 months ago 36 8 2 0
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📣We will be back soon with a new series of online theory seminars!

As ever, free and open for all via Zoom. Follow us on here, or join our email list (iite.info/seminar-emai...) for details.

In the meantime, all our past talks are on Youtube: www.youtube.com/@theoretical...

See you there!

2 months ago 18 13 0 0
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🌱🧩 La semana pasada tuvo lugar en Sevilla la 4ª Reunión de la Sociedad Española de Sistemas Complejos, organizado por nuestras investigadoras @violetacalleja.bsky.social y @domgarvir.bsky.social y la @unisevilla.us.es.

La investigadora @paniw.bsky.social fue una de las conferenciantes invitadas.

2 months ago 13 8 0 1
Call for Participants - complexitynextgen Menu Call for Participants – Call For Scholarships Deadline: 28 Feb 2026 Are you a curious and motivated young researcher interested in complex systems? Are

The call for participants for Complexity72h is finally open! Apply by February 28 for the best collab ever!

Why???
✨ Amazing projects
👩‍🏫 Fantastic tutors
📍 A great location

👉 Apply now: www.complexitynextgen.org/complexity72...

Do you REALLY need anything else to be convinced?
We didn’t think so.

3 months ago 12 12 0 4
Pablo Valgañon during his talk

Pablo Valgañon during his talk

Pablo Valgañon presenting our results

Pablo Valgañon presenting our results

@pvalganon.bsky.social from @paleoipe.bsky.social group at the @ipe-csic.bsky.social presenting our work on causal networks in pleoecology at the CS3 meeting @cs3conference.bsky.social taking place in Sevilla.

2 months ago 5 4 0 0
FisEs Joven'26 Esta cuarta edición, celebrada del 10 al 12 de marzo de 2026, tendrá lugar de forma gratuita y virtual mediante la plataforma Zoom.

¡Hola a todos! Esperamos que hayáis disfrutado de las fiestas. Os recordamos que el cierre de contribuciones es el 12 de enero. ¡No os quedéis fuera!

Más información en: fisesjoven26.gefenol.es

3 months ago 5 3 0 0