Ioannis Kontoyiannis
@kontoyiannis.bsky.social
Information theory, probability, statistics. Churchill Professor of Mathematics of Information @UofCambridge: dpmms.cam.ac.uk/person/ik355/ 🧮 #MathSky 🧪 #Science
[used to be @yiannis_entropy at the other place]
[used to be @yiannis_entropy at the other place]
Our (editorial) work is all done, and it's now with the publishers (Springer). We're told it should be out within the next 2-3 months!
November 11, 2025 at 11:16 AM
Our (editorial) work is all done, and it's now with the publishers (Springer). We're told it should be out within the next 2-3 months!
Full paper here: arxiv.org/abs/2309.02944
The case for and against fixed step-size: Stochastic approximation algorithms in optimization and machine learning
Theory and application of stochastic approximation (SA) have become increasingly relevant due in part to applications in optimization and reinforcement learning. This paper takes a new look at SA with...
arxiv.org
September 5, 2025 at 1:20 PM
Full paper here: arxiv.org/abs/2309.02944
Full paper here: arxiv.org/abs/2507.16529
Bayesian causal discovery: Posterior concentration and optimal detection
We consider the problem of Bayesian causal discovery for the standard model of linear structural equations with equivariant Gaussian noise. A uniform prior is placed on the space of directed acyclic g...
arxiv.org
July 29, 2025 at 4:48 PM
Full paper here: arxiv.org/abs/2507.16529
And a gut-wrenching estimated 22,800 children
June 27, 2025 at 3:44 PM
And a gut-wrenching estimated 22,800 children