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20172025
most citedContextual advantages and certification for maximum confidence discrimination

49 citations · 72 across the 10 of their papers we have counts for

collaborators

10 papers

quant-ph2025

Sharing quantum indistinguishability with multiple parties

Lemieux Wang, Hanwool Lee, Joonwoo Bae +1

Quantum indistinguishability of non-orthogonal quantum states is a valuable resource in quantum information applications such as cryptography and randomness generation. In this art…

quant-ph2025★ 1 cited

Contextual advantages across two-state discrimination strategies

Kieran Flatt, Joonwoo Bae

Quantum state discrimination, alongside its other applications, has recently found use as a tool for witnessing generalised contextuality. In this article, we derive noncontextuali…

quant-ph2025

Sequential Semi-Device-Independent Quantum Randomness Certification

Carles Roch I Carceller, Hanwool Lee, Jonatan Bohr Brask +2

Quantum measurements under realistic conditions reveal only partial information about a system. Yet, by performing sequential measurements on the same system, additional informatio…

quant-ph2025

Random Exclusion Codes: Quantum Advantages of Single-Shot Communication

Joonwoo Bae, Kieran Flatt, Teiko Heinosaari +4

Useful applications of quantum information technologies can be found by identifying tasks in which quantum resources outperform their classical counterparts. In this work, we intro…

quant-ph2024

Sequential Quantum Maximum Confidence Discrimination

Hanwool Lee, Kieran Flatt, Joonwoo Bae

Sequential quantum information processing may lie in the peaceful coexistence of no-go theorems on quantum operations, such as the no-cloning theorem, the monogamy of correlations,…

quant-ph2022★ 13 cited

Maximum confidence measurement for qubit states

Hanwool Lee, Kieran Flatt, Carles Roch i Carceller +2

In quantum state discrimination, one aims to identify unknown states from a given ensemble by performing measurements. Different strategies such as minimum-error discrimination or…

quant-ph2021

Quantum vs. noncontextual semi-device-independent randomness certification

Carles Roch I Carceller, Kieran Flatt, Hanwool Lee +2

We compare the power of quantum and classical physics in terms of randomness certification from devices which are only partially characterised. We study randomness certification ba…

quant-ph2021★ 49 cited

Contextual advantages and certification for maximum confidence discrimination

Kieran Flatt, Hanwool Lee, Carles Roch i Carceller +2

One of the most fundamental results in quantum information theory is that no measurement can perfectly discriminate between non-orthogonal quantum states. In this work, we investig…

quant-ph2019★ 9 cited

Multiple-copy state discrimination of noisy qubits

Kieran Flatt, Stephen M. Barnett, Sarah Croke

Multiple-copy state discrimination is a fundamental task in quantum information processing. If there are two, pure, non-orthogonal states then both local and collective schemes are…

quant-ph2017

Sequential measurements: Busch-Gleason theorem and its applications

Kieran Flatt, Stephen M. Barnett, Sarah Croke

Probabilities enter quantum mechanics via Born's rule, the uniqueness of which was proven by Gleason. Busch subsequently relaxed the assumptions of this proof, expanding its domain…