Giorgio Nicoletti

Giorgio Nicoletti

Postdoctoral researcher at ICTP

More on my papers

2026

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Adding up, or getting in the way?

7 minute read

Published:

Let’s get back to where we left off and keep in mind our two examples: two particles in a room, each being pushed around by the same environment, but also connected to each other; or two people, each hearing the same news cycle, but also talking to each other. The question was whether you could tell the difference between the two sources of correlation: the environment and the connection. And the answer was yes, if the connection is simple enough. But what makes a connection “simple enough”? And what happens when it isn’t?

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Talking to each other, or just reacting to the same thing?

6 minute read

Published:

Around five years ago, I submitted the first of what would become a long series of papers at the intersection between information theory, stochastic processes, and statistical physics. It all started with a simple idea and what we thought would be a simple calculation (turns out, it wasn’t): what can we learn about the interactions between two systems if all we can observe is how they move together?

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