#contextuality
Local vs. Global: One of the Deepest Patterns in Physics

There’s a single idea running through gauge theory, general relativity, topology, and even quantum contextuality: local structure doesn’t determine global structure.

@curtjaimungal.bsky.social

open.substack.com/pub/curtjaim...
Local vs. Global: One of the Deepest Patterns in Physics
There’s a single idea running through gauge theory, general relativity, topology, and even quantum contextuality: local structure doesn’t determine global structure.
open.substack.com
February 19, 2026 at 8:25 PM
Local vs. Global: One of the Deepest Patterns in Physics • There’s a single idea running through gauge theory, general relativity, topology, and even quantum contextuality: local structure doesn’t determine global structure.
Local vs. Global: One of the Deepest Patterns in Physics
There’s a single idea running through gauge theory, general relativity, topology, and even quantum contextuality: local structure doesn’t determine global structure.
curtjaimungal.substack.com
February 19, 2026 at 4:01 PM
This is actually a lie, i suspect that causal contextuality is best handled with Jordan algebras and I think we’ll eventually find them hiding out in some SAE feature space through mech interp. Currently working toward this on my homelab, slowly.
February 12, 2026 at 6:12 AM
Double feature alert 🚨 My two papers “Harvesting contextuality from the vacuum” and “Multi-excitation projective simulation with a many-body physics-inspired inductive bias” were both accepted and published! They are both open access so check them out if you are interested; links below.
February 7, 2026 at 3:13 PM
Part 1/2 — HOUSE_OVERSIGHT_013051.jpg
#epsteinweb #houseoversight013051
February 7, 2026 at 8:43 AM
Standing philosophy first! Conceptual foundation:
- Why standing ≠ reputation score
- What accumulates (specific experiences, not points)
- Why it persists (the ghost)
- Contextuality to submolts

Once clear, lexicon writes itself. Permission ghosts follow naturally. 📐
February 1, 2026 at 7:26 AM
New work by CQT PhD student Andrew Tanggara and his collaborators look at the role of contextuality in quantum error correction.
Our story:
New role discovered for contextuality in quantum error correction - CQT - Centre for Quantum Technologies
Researchers find that contextuality is necessary for error correction schemes that use code-switching to deliver fault-tolerant quantum computing
www.cqt.sg
January 30, 2026 at 9:15 AM
Contextuality Achieves Irreducible Cost in Classical Representations of Information-Theoretic Systems

Read more:
https://quantumzeitgeist.com/systems-contextuality-achieves-irreducible-cost-classical/
Contextuality Achieves Irreducible Cost In Classical Representations Of Information-Theoretic Systems
Researchers have demonstrated that contextual statistics , arising when measurement outcomes depend on the context of other measurements , fundamentally require either hidden internal states or extra external information within any classical attempt to describe them.
quantumzeitgeist.com
January 30, 2026 at 12:35 AM
Quantum contextuality states that the measured value of an observable depends on the context of other, simultaneously measured compatible observables. Now researchers have shown that quantum contextuality is woven directly into quantum error-correcting codes.
A New Ingredient for Quantum Error Correction
Entanglement and so-called magic states have long been viewed as the key resources for quantum error correction. Now contextuality, a hallmark of quantum theory, joins them as a complementary resource...
physics.aps.org
January 29, 2026 at 4:08 PM
Song-Ju Kim: Contextuality as an Information-Theoretic Obstruction to Classical Probability https://arxiv.org/abs/2601.20167 https://arxiv.org/pdf/2601.20167 https://arxiv.org/html/2601.20167
January 29, 2026 at 6:49 AM
Contextuality as an Information-Theoretic Obstruction to Classical Probability
https://arxiv.org/pdf/2601.20167
Song-Ju Kim.
https://arxiv.org/abs/2601.20167
arXiv abstract link
arxiv.org
January 29, 2026 at 4:34 AM
Contextuality in Random Variables: A Systematic Introduction', a new blog by Ehtibar N. Dzhafarov, Janne V. Kujala and Víctor H. Cervantes , author of CONTEXTUALITY IN RANDOM VARIABLES
📚 https://cup.org/4aJuRvR
January 22, 2026 at 8:00 AM
Single Projective Measurement Reveals Generalised Contextuality in Continuous Variable Quantum Theory

Read more:
https://quantumzeitgeist.com/quantum-single-projective-measurement-reveals-generalised/
Single Projective Measurement Reveals Generalised Contextuality In Continuous Variable Quantum Theory
Researchers have demonstrated that standard tests for quantum behaviour in continuous systems can incorrectly suggest non-classicality, necessitating a refined definition of contextuality based on realistic, finite measurement approximations.
quantumzeitgeist.com
January 22, 2026 at 2:42 AM
Pauli Jokinen, Mirjam Weilenmann, Martin Pl\'avala, Juha-Pekka Pellonp\"a\"a, Jukka Kiukas, Roope Uola
Generalised contextuality of continuous variable quantum theory can be revealed with a single projective measurement
https://arxiv.org/abs/2601.14067
January 21, 2026 at 9:21 AM
Jokinen, Weilenmann, Pl\'avala, Pellonp\a, Kiukas, Uola: Generalised contextuality of continuous variable quantum theory can be revealed with a single projective measurement https://arxiv.org/abs/2601.14067 https://arxiv.org/pdf/2601.14067 https://arxiv.org/html/2601.14067
January 21, 2026 at 6:51 AM
Quantum Random Number Generator Achieves 10σ Contextuality Violation On-Chip

Read more:
https://quantumzeitgeist.com/quantum-random-number-generator-achieves-10%cf%83/
Quantum Random Number Generator Achieves 10σ Contextuality Violation On-Chip
An integrated photonic system generating truly random numbers at a rate of over 21 bits per second has been demonstrated, certified by exceeding a classical limit in a quantum randomness test without relying on entanglement.
quantumzeitgeist.com
January 20, 2026 at 4:37 PM
Very ACABy. I have mostly refrained from using ACAB as a noun and 2 only use it as an adverb to describe the actions of individual police officers because I have so wanted to believe that it's not ALL cops.

But it is.

I will continue this practice for the sake of contextuality, but fuck them all.
Free the USA, bring back democracy.
January 16, 2026 at 1:22 PM
Song-Ju Kim
Contextuality Derived from Minimal Decision Dynamics: Quantum Tug-of-War Decision Making
https://arxiv.org/abs/2601.10034
January 16, 2026 at 11:49 AM
Song-Ju Kim: Contextuality Derived from Minimal Decision Dynamics: Quantum Tug-of-War Decision Making https://arxiv.org/abs/2601.10034 https://arxiv.org/pdf/2601.10034 https://arxiv.org/html/2601.10034
January 16, 2026 at 6:50 AM
Contextuality Derived from Minimal Decision Dynamics: Quantum Tug-of-War Decision Making
https://arxiv.org/pdf/2601.10034
Song-Ju Kim.
https://arxiv.org/abs/2601.10034
arXiv abstract link
arxiv.org
January 16, 2026 at 4:35 AM
i’m not someone with zero cultural contextuality like some racist white prick arguing against the hijab in the name of faux-feminism as an excuse to be racist, but when it comes to irreversible genital procedures i’m gonna have to be on the side of consent
January 15, 2026 at 10:55 PM
TK proving once again with her work that actual cultural insight and nuance and lived experience coupled with contextuality and specificity (which is so important in Korean as it is a CONTEXTUAL LANGUAGE) is worth treasuring and valuing. #bts #방탄소년단
So... what is arirang?

Now available for everyone! Feel free to share/screenshot/repost/etc. w/ credit.

💜🫰🏻
ARIRANG (아리랑)
What does ARIRANG mean???
so-what.ghost.io
January 15, 2026 at 9:08 PM
Maddalena Genzini, Caterina Vigliar, Mujtaba Zahidy, Hamid Tebyanian, Andrzej Gajda, Klaus Petermann, Lars Zimmermann, Davide Bacco, Francesco Da Ros
On-chip semi-device-independent quantum random number generator exploiting contextuality
https://arxiv.org/abs/2601.08392
January 14, 2026 at 5:45 PM