iiinova — where your digital self keeps evolving

Alex Pozas-Kerstjens @alexpozas.com · 30/09/2026

The first @quarc-csic.bsky.social workshop is on! quarc.csic.es/events/quantum-optics-for-quantum-technologies-workshop

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 30/09/2026

Today we start a three day workshop on quantum technologies in Madrid, joint activity between @iff-csic.bsky.social and CSIC's new institute @quarc-csic.bsky.social quarc.csic.es/events/quant...

quarc.csic.es

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Alex Pozas-Kerstjens @alexpozas.com · 28/09/2026

Looking forward to the ITCE conference, and to talk about our latest results on nonlocality in networks!

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Alex Pozas-Kerstjens @alexpozas.com · 24/09/2026

Spending a very stimulating week at @uni-muenster.de on the Structure of Quantum Theory workshop. First time I'm using my new @quarc-csic.bsky.social -themed slides! Thanks @hippoquantum.bsky.social and Matthias Kleinmann for the invitation and for putting up such a good event

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 24/09/2026

Open position in our new institute @quarc-csic.bsky.social Help us create a large nation wide quantum communication infrastructure!

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Instituto de Física Fundamental CSIC (IFF-CSIC) @iff-csic.bsky.social · 07/09/2026

👋Este mes damos la bienvenida a Alex Pozas-Kerstjens, nuevo investigador Ramón y Cajal en el IFF. Con su trabajo contribuirá al desarrollo de herramientas para la certificación de fenómenos cuánticos y el diseño de protocolos criptográficos para redes de comunicación cuánticas.

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 04/09/2026

📢CSIC has created a new research instituted, called QuARC (Quantum Advanced Research Center). The institute gathers CSIC scientists working on quantum information and quantum technologies in Madrid (24 permanent & tenure track, 100 total) 1/3 quarc.csic.es

quarc.csic.es

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 31/08/2026

The Spanish Network for Quantum Information and Quantum Technologies has a new home ritce.hbar.es The web offers (i) a census of the quantum community, (ii) a catalogue of activities in Spain, (iii) a job market, and (iv) a catalogue of talks offered to schools, universities & other entities 1/3

ritce.hbar.es

RITCE

Red de Información y Tecnologías Cuánticas en España

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Alex Pozas-Kerstjens @alexpozas.com · 21/07/2026

In Geneva's airport the have eduroam too!

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Elies Gil-Fuster @eliesgf.bsky.social · 16/07/2026

Yay! Forms are so much fun 🎉🎊 If you're a quantum researcher, we would love it if you could fill the form (<10 minutes) and share it with your network. Thanks!

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Alex Pozas-Kerstjens @alexpozas.com · 06/07/2026

Of course not! As long as you provide evidence/indications, this is very useful information. Although, to be honest, I did this once (refusing to review the paper), and my experience was that a few weeks later the journal sent me again the exact same paper 😂

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Victor V. Albert @vva.bsky.social · 24/06/2026

After extensive experiments with AI agents, the [72,36,16] extremal code remains elusive—and possibly more intractable than we expected. This isn’t your average Erdős puzzle; it’s full-stack math + compute. We’re opening the search to the community: take a shot. valbert4.github.io/selfdual_site/

valbert4.github.io

Searching for a [72,36,16] extremal code

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Ivan Šupić @quantumsupic.bsky.social · 10/06/2026

PhD opportunity in QIT in Grenoble. I am advertising a project through the QuanG2 call, at the interface of nonlocality, self-testing, computationally bounded devices, complexity, and crypto. My project is among the topics offered: phdquantumgrenoble.univ-grenoble-alpes.fr/phd-applicat...

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María José Calderón @mj-mjcp.bsky.social · 15/05/2026

Are you a master's student, PhD candidate, or postdoc working in Quantum Science? Join QTYR26 – Quantum Technologies for Young Researchers workshop! Valencia, June 22–26 cuantica2025.es/qtyr-2026/ @rsef-esp.bsky.social @gefes-rsef.bsky.social @dpe-csic.bsky.social @quarc-csic.bsky.social

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anil oza @aniloza.bsky.social · 14/05/2026

wow — the preprint host, arxiv, is banning authors for a year if they submit papers with hallucinated citations 🤖

Twitter thread from Thomas Dietterich, reading "Attention
@arxiv
authors: Our Code of Conduct states that by signing your name as an author of a paper, each author takes full responsibility for all its contents, irrespective of how the contents were generated. 1/
3:03 PM · May 14, 2026
·
66.7K
Views
Relevant
View quotes

Thomas G. Dietterich
@tdietterich
·
1h
If generative AI tools generate inappropriate language, plagiarized content, biased content, errors, mistakes, incorrect references, or misleading content, and that output is included in scientific works, it is the responsibility of the author(s). 2/
Thomas G. Dietterich
@tdietterich
·
1h
We have recently clarified our penalties for this. If a submission contains incontrovertible evidence that the authors did not check the results of LLM generation, this means we can't trust anything in the paper. 3/
Thomas G. Dietterich
@tdietterich
·
1h
The penalty is a 1-year ban from arXiv followed by the requirement that subsequent arXiv submissions must first be accepted at a reputable peer-reviewed venue. 4/
Thomas G. Dietterich
@tdietterich
·
1h
Examples of incontrovertible evidence: hallucinated references, meta-comments from the LLM ("here is a 200 word summary; would you like me to make any changes?"; "the data in this table is illustrative, fill it in with the real numbers from your experiments") end/"

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Alex Pozas-Kerstjens @alexpozas.com · 14/05/2026

Indeed, this is what you find after a one-hour hike from the campus

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Alex Pozas-Kerstjens @alexpozas.com · 12/05/2026

This week I am visiting @quaintum.bsky.social at @univ-amu.fr. This is definitely the most beautiful campus I've been to so far. Looking forward to the exciting discussions!

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

I also have to say that, while simple, this paper is the result of enormous effort. We pushed characterization software to the limit, and develop new tools based on quantum testers to get to the result. I'm super happy about this result, and proud of having worked in such an amazing team. 8/n, n=8

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

While tiny, this region is crucial. It has been believed for years that quantum nonlocality was impossible in the triangle network with binary-valued outcomes and no inputs. And now we know this is not true! Moreover, the constructions give nice insights on how network nonlocality arises. 7/n

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

In the end, we find realizations for all visibilities below 0.6245. In parallel, we prove that for all visibilities above 0.6221 the noisy W distribution is nonlocal. So we have this tiny region where it is, both, quantumly realizable and nonlocal! 6/n

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

To look for this realization, we use quantum testers, that are objects that encompass the union of a quantum state and a measurement device. They originate in the field of higher order quantum theory, and we use them to do efficient, stable optimization loops. 5/n

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

In particular, within this construction we look for realizations of mixtures of the W distribution (where the only events with nonzero -and uniform- probability are those in which only one of the parties output 1) with white noise. 4/n

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

Why is it the simplest? Because we just need one source that distributes (two-qubit) entangled states. The other sources distribute classical shared randomness! And, because of this, the parties need to perform (at most) single-qubit measurements. 3/n

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Alex Pozas-Kerstjens @alexpozas.com · 05/05/2026

Why is it the smallest? Because it is a just tripartite distribution over binary outcomes, for which we find a realization in the so-called triangle network. If you take a party, a source, or an outcome out, then you end up in a situation where you can always find a local hidden variable model. 2/n

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Anna Mazzola @annamazz.bsky.social · 01/05/2026

Some useful public speaking tips from Freud here.

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 28/04/2026

The deadline for submission of abstracts to the 2026 Biannual Meeting of the Spanish Royal Society of Physics (RSEF), Sevilla 20-24 July, has been extended to *11th May.* 1/ bienalfisicasevilla2026.es/RSEF2026/abs...

bienalfisicasevilla2026.es

RSEF2026

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Alex Pozas-Kerstjens @alexpozas.com · 24/04/2026

Well, of course it's an urban legend. But 1) this is the risk with methods that rely on computational assumptions, and 2) I wouldn't be surprised to know that, even if not being able to break the protocol in generality, if they *really really* wanted to decrypt *one* particular message they could.

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Juan José García-Ripoll @jjgarciaripoll.bsky.social · 23/04/2026

Today, as part of our Strategy on Quantum Technoolgies, @csic.es announced the creation of a new research institute in Madrid, the Quantum Advanced Research Center or QuARC @quarc-csic.bsky.social This new institute launches now with 24 PIs and a total of 100 researchers 1/ quarc.csic.es

quarc.csic.es

Quantum Advanced Research Center

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Alex Pozas-Kerstjens @alexpozas.com · 23/04/2026

I also wonder a lot about this. Physical security is nicer than computational security IMO, but we know that the implementations can be hacked anyway. But also, I've heard a few times the "the US is pushing towards PQC because they know how to break it" argument 😝.

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Alex Pozas-Kerstjens @alexpozas.com · 17/04/2026

This was a super interesting read for me as a quantum physicist. I learnt that zero-knowledge provers can be hacked, and that cryptographers' and security analysts' way of understanding quantum mechanics is completely different to ours. What an interesting time to live in!

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Felix Leditzky 🏳️‍🌈🏳️‍⚧️ @felixled.bsky.social · 14/04/2026

A little task to get your brain going today: Prove the statement in the picture!

$A mathematical statement involving operator inequalities and tensor products. Statement in LaTeX: Let $X,Y$ be operators on a finite-dimensional Hilbert space. If $0\leq X \leq Y$, then $X^{\otimes n} \leq Y^{\otimes n}$ for all $n\in\mathbb{N}$.$

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Error Correction Zoo @eczoo.bsky.social · 01/04/2026

We are living in exciting times. Starting today, the zoo will be completely redone by AI! errorcorrectionzoo.org/__41ai

errorcorrectionzoo.org

About

The Error Correction Zoo collects and organizes error-correcting codes.

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María Gragera Garcés @grageragarces.github.io · 26/03/2026

Copilot will use your code for model training starting next month unless you opt out 👇 If you’re a student on the free plan, consider whether you want to disable this before April 24th

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Quantum Journal @quantum-journal.bsky.social · 13/03/2026

Celebrate with us Quantum's approaching 10 year anniversary in 2026 with the publication of the 2026th paper! Do you know which paper that is? quantum-journal.org/2026-quantum...

quantum-journal.org

2026 Quantum papers!

Congratulations Quantum community! It’s hard to believe 10 years have passed and we’re en route to our 10-year founding anniversary in April 2026. On that occasion we wanted to announce ...

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Frederik Hahn @frederikhahn.bsky.social · 13/03/2026

I am surprised to see this and hope the arXiv stays nonprofit.

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Alex Pozas-Kerstjens @alexpozas.com · 09/03/2026

Today I spoke about quantum nonlocality in networks at the "Nonlocality: Driver for Quantum Advantage?" workshop at the @lorentzcenter.bsky.social. After the first day of the workshop, I'm eager to see what the rest of the week brings. @snsf.ch

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Nicolai Friis @improbabilitydrive.bsky.social · 22/02/2026

Some quantum info researchers are reluctant to learn about non-CPTP maps, but are ultimately left with no Chois.

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Adam Kucharski @adamjkucharski.bsky.social · 27/01/2026

AI agent deleted all my files will become the new dog ate my homework.

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Ernesto Galvão @efgalvao.bsky.social · 12/01/2026

Tenure-track faculty position in quantum info at Perimeter Institute.

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Alex Pozas-Kerstjens @alexpozas.com · 12/01/2026

This is the last week to apply to the Spring School in near-term quantum computing that we are organizing at @ccbpp.bsky.social. Don't miss it!

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Aephraim Steinberg @quantumaephraim.bsky.social · 03/01/2026

Happy 2026, and hearty Congratulations to Antoine Browaeys, Misha Lukin, and Mark Saffman on the 9th biennial John Stewart Bell Prize for their ground-breaking work developing quantum computational technologies relying on tweezer arrays of Rydberg atoms! cqiqc.physics.utoronto.ca/bell-prize/b...

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Alex Pozas-Kerstjens @alexpozas.com · 31/12/2025

Happy New Year to you too! For another year full of quantum memes :)

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Alex Pozas-Kerstjens @alexpozas.com · 26/12/2025

I was not expecting this for Christmas, at all. I am truly grateful for having my research being recognized this way. Thanks to @ioppublishing.bsky.social @iopp-quantum.bsky.social for this prize! iopscience.iop.org/journal/2058...

iopscience.iop.org

The IOP Publishing International Quantum Early Career Award - Quantum Science and Technology - IOPscience

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Clément Canonne @ccanonne.github.io · 21/12/2025

2025 is almost over! Looking forward to 2026, when I'll finally do all the things I didn't get to in 2024

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Alex Pozas-Kerstjens @alexpozas.com · 12/12/2025

The @ccbpp.bsky.social Spring School on near-term quantum computing is back! If you are a young (PhD/MSc) researcher in quantum science and want to get exposed to the recent developments on quantum computing, do not hesitate coming to Benasque on March 15 - 21 next year! www.benasque.org/2026ntqc/

benasque.org

Spring School on Near-Term Quantum Computing

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