This list is not meant to be complete, and only includes talks I have given in person. Presentation slides (📜) and video recordings (📺) are available for some of my talks.

### 2018

**Efficient online quantum state estimation using a matrix-exponentiated gradient method**(seminar at the University of KwaZulu-Natal, Durban, South Africa)

**How a quantum computer can steal your bitcoin**(fellow seminar at the Stellenbosch Institute of Advanced Studies, Stellenbosch, South Africa)

**A tight upper bound for the third-order asymptotics of most discrete memoryless channels**

(seminar at the Centre for IoT and Telecommunications at The University of Sydney, Australia)**Efficient online quantum state estimation using a matrix-exponentiated gradient method**(invited talk at Sydney Algorithms Day, The University of Sydney, Australia)

**Quantum Communication: From Basic Science to Engineering**(invited talk at Australian Communications Theory Workshop (AusCTW 2018), Newcastle, Australia)

**Introduction to Quantum Cryptography**

(lecture at Quantum Computer Science Summer School, University of Technology Sydney, Australia)

### 2017

**Minicourse on quantum information theory**

(three lectures at University of Auckland, Auckland, New Zealand)**A meta-converse for private communication over quantum channels 📜**(contributed talk at IEEE International Symposium on Information Theory (ISIT 2017), Aachen, Germany)

**Processing information with small quantum devices 📜**(given as School of Physics Seminar at Monash University, Melbourne, Australia)

### 2016

**Second-order asymptotics for the classical capacity of image-additive quantum channels 📜**(invited talk at American Physical Society March Meeting, Baltimore, USA)

**Strong converse and finite resource tradeoffs for quantum channels 📜**(contributed talk at 19th Conference on Quantum Information Processing (QIP 2016), Banff, Canada)

**Operational interpretation of Rényi conditional mutual information via composite hypothesis testing against Markov distributions**📜

(given at IEEE International Symposium on Information Theory (ISIT 2016), Barcelona, Spain)**Information Measures, Matrix Analysis and Recoverability 📜**

(given as QuSoft Seminar, Amsterdam, The Netherlands)**Characterizing a channel beyond Shannon’s capacity: an overview on recent progress**

(invited talk at Workshop to celebrate Shannon’s 100th birthday, UTS, Australia)**Processing information with small quantum devices**

(given at Department of Electrical & Computer Engineering, University of Michigan, Ann Arbor, USA / Quantum Seminar at Louisiana State University, Baton Rouge, USA / Centre for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS), Sydney, Australia / Institute for Science and Technology, Vienna, Austria)

### 2015

**Asymptotic and non-asymptotic fundamental limits for quantum communication 📺 📜**(invited talk at 3rd Workshop “Beyond i.i.d. in information theory”, Banff, Canada)

**Strong converse rates for quantum communication 📜**(contributed talk (semi-plenary) at IEEE International Symposium on Information Theory (ISIT 2015), Hong Kong, China)

**Correlation detection and an operational interpretation of the Rényi mutual information**📜

(contributed talk (semi-plenary) at IEEE International Symposium on Information Theory (ISIT 2015), Hong Kong, China)**Second-order coding rates for entanglement-assisted communication 📜**(contributed talk at IEEE International Symposium on Information Theory (ISIT 2015), Hong Kong, China)

**Strengthened monotonicity of relative entropy via pinched Petz recovery map**(given at Preskill group meeting at California Institute of Technology, Pasadena, USA / Centrum Wiskunde & Informatica (CWI), Amsterdam, The Netherlands / Technical University of Delft, Delft, The Netherlands / Graduate School of Mathematics at Nagoya University, Nagoya, Japan)

**Variational expressions for quantum relative entropies**(given at Technical University of Munich, Munich, Germany / Quantum Lunch Seminar at University of Copenhagen, Copenhagen, Denmark / Quantum information group meeting at ETH Zurich, Zürich, Switzerland)

**Are current security proofs of quantum cryptography trustworthy?**

(given at 1st Workshop “Trustworthy quantum information“, Ann Arbor, USA)**Processing information with small quantum devices**(given at Quantum information seminar, Massachusetts Institute of Technology, Cambridge, USA / Seminar at School of Mathematical and Physical Sciences, Nanyang Technological University, Singapore, Singapore / faculty candidate seminar at Electrical Engineering Department, Princeton University, Princeton, USA)

**Rényi entropy and mutual information**

(given at Computer Science Seminar at the Centre for Quantum Technologies (CQT), Singapore, Singapore)

### 2014 (selected)

**A new quantum generalization of the Rényi divergence with applications to the strong converse in quantum channel coding 📜**(contributed talk at 17th Conference on Quantum Information Processing (QIP 2014), Barcelona, Spain)

**A duality relation connecting different quantum generalizations of the conditional Rényi entropy 📜**

(contributed talk at IEEE International Symposium on Information Theory (ISIT 2014), Honolulu, USA)**Second-order refinements for the classical capacity of quantum channels with separable input states**📜

(contributed talk at IEEE International Symposium on Information Theory (ISIT 2014), Honolulu, USA)**Strong converse bounds for quantum communication**

(invited talk at Australia-Japan workshop on multi-user quantum networks, Sydney, Australia / invited talk at Annual workshop of the Centre of Excellence for Engineered Quantum Systems (EQUS), Sydney, Australia)**How much information can we send through a quantum channel in practice?**

(given at Télécom ParisTech, Paris, France / University of Lugano, Switzerland / National Centre of Competence in Research “Quantum Science and Technology” (QSIT) at ETH Zurich, Zürich, Switzerland)

### 2013 (selected)

**Non-asymptotic fundamental limits and Gaussian approximations for classical-quantum channels**📺

(invited talk at Workshop on Mathematical Challenges in Quantum Information, Isaac Newton Institute, Cambridge, England)**Entropic uncertainty relations and their applications in quantum cryptography**📜

(invited talk at 7th International Conference on Information Theoretic Security, Singapore, Singapore)**ε-Capacities and strong converse for channels with general state 📜**(contributed talk at IEEE Information Theory Workshop (ITW 2013), Seville, Spain)

**A hierarchy of information quantities for the finite block length analysis of quantum tasks 📺 📜**

(contributed talk at 16th Workshop on Quantum Information Processing (QIP 2013), Beijing, China / Quantum group seminar at University of Tokyo, Tokyo, Japan / invited talk at 1st Workshop “Beyond i.i.d. in information theory”, Cambridge, England)**One-sided device independence of BB84 via monogamy-of-entanglement game 📺**

(contributed talk at 3rd International Conference on Quantum Cryptography (QCrypt 2013), Waterloo, Canada)**A tight upper bound for the third-order asymptotics of discrete memoryless channels 📜**(contributed talk at IEEE International Symposium on Information Theory (ISIT 2013), Istanbul, Turkey)

### 2012 and earlier (selected)

**Smooth min/max entropies**📺 📜

(invited tutorial at 2nd International Conference on Quantum Cryptography (QCrypt 2012), Singapore, Singapore)**A hierarchy of information quantities for the finite block length analysis of quantum tasks**- (invited talk at Japan-Singapore Workshop on Multi-user Quantum Networks, Singapore)
**Towards a tight finite key analysis for BB84**(contributed talk at 6th Conference on Theory of Quantum Computation, Communication and Cryptography (TQC 2011), Madrid, Spain / University of Hannover, Germany / Centre for Quantum Technologies, National University of Singapore, Singapore)

**The uncertainty relation and its applications in cryptography 📺 📜**(contributed talk at 1st International Conference on Quantum Cryptography (QCrypt 2011), Zürich, Switzerland / invited talk at Workshop on QKD Post-Processing, Vienna, Austria / contributed talk at American Physical Society March Meeting, Dallas, USA)

**Leftover hashing against quantum side information**

(contributed talk at IEEE International Symposium on Information Theory (ISIT 2010), Austin, USA)**Quantum asymptotic equipartition**(invited talk at Cambridge Summer Workshop on Quantum Information, Cambridge, England)