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Entropy Inequalities in Quantum Information Science
Provider: Faculty of Science

Activity no.: 5547-21-07-32
Enrollment deadline: 12/07/2021
PlaceDepartment of Mathematical Sciences
Universitetsparken 5, 2100 København Ø
Date and time23.08.2021, at: 08:00 - 27.08.2021, at: 16:00
Regular seats80
ECTS credits2.50
Contact personNina Weisse    E-mail address: weisse@math.ku.dk
Enrolment Handling/Course OrganiserMatthias Christandl    E-mail address: christandl@math.ku.dk
Written languageEnglish
Teaching languageEnglish
Course workload
Course workload categoryHours
Preparation / Self-Study20.00
Course hours40.00
Evaluation / reporting5.00


Recent years have seen tremendous progress towards building the first small scale quantum computers and quantum communication networks. Companies such as Google, IBM and Microsoft have identified these fields as focus of their investment into the future. With these developments expected to continue, it will soon become crucial to better understand the possibilities and limitations of quantum information processing in order to make good use of the provided hardware. A significant part of these efforts will have to go into quantum information theory, following the lead of traditional information theory which currently provides the main source for advances in information transmission, such as new codes for the next generation of wireless networks (5G and WIFI6).

At the heart of classical and quantum information theory is the study of entropic quantities, as they provide us with a tool to quantify the amount of information present in a system. In particular, entropy inequalities allow us to investigate what happens when we process information and to relate different operational tasks. Their use has already let to security proofs in classical and quantum cryptography, new codes for near optimal information transmission and much more. Moreover, the study of entropic quantities provides us with a fundamental understanding of information, that will aid the development of future applications.

In order to facilitate the understanding of these topics, this Masterclass will gather some of the top researchers in the field to communicate recent developments and open problems that still need to be overcome.
Andreas Winter is internationally recognized as one of the leading researchers in quantum Shannon theory, i.e. determining the optimal protocols within information theory, and has furthermore made numerous contributions to the theory of quantum correlations and quantum resource theories.
Graeme Smith is an expert on, among other things, quantum coding and quantum capacities, in particular their (non-)additivity features. Omar Fawzi is known for his recent groundbreaking results on the recoverability of quantum information and is furthermore leading the efforts in expressing problems involving entropic quantities as convex optimization problems.

Learning outcome
By the end of the course, the participants will have acquired an up-to-date overview of the latest work in these areas and will be prepared for further study as well as embarking on related research projects on their own.

Target group
This master class will be of high interest for all the students and early career researchers interested in properties, applications and future research directions involving entropic quantities and their use in Shannon theory, cryptography and information processing.


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