The FIND Seminar is a bi-weekly seminar series that hosts cutting-edge research talks on topics related to the broad themes of Foundations of Information, Networks and Decision Systems. Talks are about 50 minutes long with time for questions and discussion.
Location: Rhodes Hall 310 and Zoom
Time: 4:15PM ET, bi-weekly on (alternating) Thursdays
Delivery format: All talks will have a live audience in Rhodes Hall 310. Until circumstances allow otherwise, external speakers will give the talk remotely via Zoom (broadcasted in RH310). Remote audience is also welcome, but in-person participation is encouraged.
Mailing list: To subscribe to the FIND seminar mailing list, email find-seminar-l-request@cornell.edu, with “join” in the subject line and a blank email body. All talks info and reminders will be sent via the mailing list.
Upcoming Talk
Title: New quantum f-divergences and their applications
Speaker: Christoph Hirche
Date and Time: 03/06/2025, 4:15PM ET
Location: Rhodes Hall 310 and Zoom
Abstract:
Divergences are fundamental tools in information theory that quantify the differences between probability distributions or quantum states. Recently, we introduced a new definition for quantum f-divergences based on an integral representation. These have remarkable properties, making them more suitable for certain applications compared to previous definitions. Those include quantifying contraction, hypothesis testing, and differential privacy. However, their particular form also introduces new difficulties. In this talk we revisit the divergences and discuss alternative expressions for them that allow us to prove new properties and gain further insights into their structure. In particular, we can better compare them to other quantum f-divergences, which has applications to quantum state discrimination. This is joint work with Salman Beigi and Marco Tomamichel.
Schedule for Spring 2025:
A list of previous talks can be found here.