tijujohn.bsky.social
@tijujohn.bsky.social
How quickly and accurately can you detect a sudden change in the state of an infinite dimensional quantum system?

Dive into the preprint with Christos Gagatsos and Boulat Bash for an answer
arxiv.org/abs/2504.162...
Fundamental Limits Of Quickest Change-point Detection With Continuous-Variable Quantum States
We generalize the quantum CUSUM (QUSUM) algorithm for quickest change-point detection, analyzed in finite dimensions by Fanizza, Hirche, and Calsamiglia (Phys. Rev. Lett. 131, 020602, 2023), to infini...
arxiv.org
May 1, 2025 at 8:09 AM
In 2023, I co-authored an article with Natanael Alpay, who was an undergraduate student at the time. Glad to share that our work is now published in the Journal of Mathematical Analysis and Applications (JMAA).

Access the article here for free until March 27:
👉 authors.elsevier.com/c/1kYzY,WNxy...
authors.elsevier.com
February 5, 2025 at 9:07 PM