Toots for paraw@mathstodon.xyz account

Written by Charo del Genio on 2025-01-15 at 03:54

If you want to listen to the talks in #network #science and #complex #systems at the #NetSciX2025 #conference, covering #mathematics, #physics, #algorithms and #applications of #complexity, we have a YouTube channel where we are #straming live!

https://www.youtube.com/live/frY8luhXQ1k

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Written by Charo del Genio on 2025-01-11 at 08:40

New paper out.

What happens when you make a model that includes realistic details about how people discuss ideas and decide how to act upon them? The answer is that with just 3 such elements of realism, one can mathematically explain the emergence of commonly observed situations, such as reaching a consensus and exchanging opinions, but also the separation of ideologies and the appearance of stable polarization. Not only this, but one can also account for phenomena such as peer pressure, cognitive dissonance, tactical voting and toxic idealism ( @benroyce I told you I was going to do it 😀 ) and prove how they affect the final state of the system.

https://www.sciencedirect.com/science/article/pii/S0960077924015352

[#]physics #mathematics #networks #bifurcations #opiniondynamics #consensus #polarization #voting #peerpressure #cognitivedissonance #tacticalvoting #toxicidealism

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Written by Charo del Genio on 2024-12-07 at 11:00

Question here about #mastodon and #tusky. I usually use the Tusky app. I am in the mathstodon.xyz instance, and I discovered that sometimes I can't see what some users of other instances post. I then figured out, logging in from a browser, that the profiles of the users I can't see have "been hidden by an administrator" (I guess that would be @christianp ). Now, from the browser, I can unhide their profile, but this action does not propagate to the Tusky app. Also, I find that these users are not controversial, as far as I can tell. So, my questions are:

1. Is there a way to propagate the unhiding from the web interface to Tusky?

2. Why are some seemingly fine profiles blocked by default by the admin?

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Written by Charo del Genio on 2024-11-06 at 13:18

Everyone knows about synchronization in chaotic systems. But what happens when one studies the synchronizability of periodic ones? Two main things.

The first is that new classes of synchronization stability emerge that are characteristic of periodic systems and are not found in chaotic ones. The root cause of this is that the master stability function of periodic systems is 0 at the origin, in difference to what happens in chaotic systems, for which it is strictly positive.

The second thing is that we challenge the long-held belief that periodic systems synchronize in a stable way for any coupling, no matter how small. In fact, we show that many of them, for many coupling schemes, have a non-zero lower threshold for synchronization stability.

https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.6.043105

[#]physics #mathematics #networks #complexsystems #chaos #dynamicalsystems #synchronization #complexity #stability

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