Email: <firstname>[email protected] or <firstname>@qcry.pt
I am currently a postdoc at the CIS Lab at NTT Research, Inc. supervised by Mark Zhandry.
Prior to that, I was a graduating Ph.D. student at Boston University advised by Ran Canetti.
My research interest is mainly on quantum computation and cryptography.
Publications
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Unconditionally secure quantum commitments with preprocessing
Luowen Qian
CRYPTO 2024 [arXiv]
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An efficient quantum parallel repetition theorem and applications
John Bostanci, Luowen Qian, Nicholas Spooner, Henry Yuen
STOC 2024 [arXiv] (contributed short plenary talk at QIP 2024)
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Quantum Cryptography in Algorithmica
William Kretschmer, Luowen Qian, Makrand Sinha, Avishay Tal
STOC 2023 [arXiv]
(contributed talk at QIP 2023, invited talk at QCrypt 2023)
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On the computational hardness needed for quantum cryptography
Zvika Brakerski, Ran Canetti, Luowen Qian
ITCS 2023 [ePrint]
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Collusion-Resistant Functional Encryption for RAMs
Prabhanjan Ananth, Kai-Min Chung, Xiong Fan, Luowen Qian
ASIACRYPT 2022 [ePrint]
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Collusion Resistant Copy-Protection for Watermarkable Functionalities
Jiahui Liu, Qipeng Liu, Luowen Qian, Mark Zhandry
TCC 2022 [ePrint]
(contributed talk at QIP 2023)
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Pseudorandom (Function-Like) Quantum State Generators: New Definitions and Applications
Prabhanjan Ananth, Aditya Gulati, Luowen Qian, Henry Yuen
TCC 2022 [arXiv]
(contributed talk at QCrypt 2022, short plenary talk merged with AQY22 at QIP 2023)
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Cryptography from Pseudorandom Quantum States
Prabhanjan Ananth, Luowen Qian, Henry Yuen
CRYPTO 2022 [ePrint]
(contributed short plenary talk merged with AGQY22 at QIP 2023)
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Beating Classical Impossibility of Position Verification
Jiahui Liu, Qipeng Liu, Luowen Qian
ITCS 2022 [arXiv]
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Tight Quantum Time-Space Tradeoffs for Function Inversion
Kai-Min Chung, Siyao Guo, Qipeng Liu, Luowen Qian
FOCS 2020 [arXiv]
(invited keynote at TQC 2021)
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Lower Bounds for Function Inversion with Quantum Advice
Kai-Min Chung, Tai-Ning Liao, Luowen Qian
ITC 2020 [arXiv]
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Adaptively Secure Garbling Schemes for Parallel Computations
Kai-Min Chung, Luowen Qian
TCC 2019 [ePrint]
Selected talks
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Unconditionally secure commitments with quantum auxiliary inputs/preprocessing
CRYPTO 2024 (joint talk with Barak Nehoran; August 20, 2024)
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Unconditionally secure quantum commitments with preprocessing
MIT Cryptography and Information Security seminar (February 16, 2024) [Slides]
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An efficient quantum parallel repetition theorem and applications
STOC 2024 (June 27, 2024);
UCSD Theory Seminar (January 29, 2024)
[Slides]
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Quantum Cryptography in Algorithmica
STOC 2023 (June 23, 2023);
A special crypto day in honor of Ran Canetti on the occasion of his 60th birthday (May 12, 2023)
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Quantum pseudorandomness in Algorithmica, and its implications to cryptography and complexity
Minimal Complexity Assumptions for Cryptography workshop @ Simons Institute (May 5, 2023)
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Cryptography from Quantum Pseudorandomness
IQC Math and Computer Science Seminar (March 9, 2023) [Slides]
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On the computational hardness needed for quantum cryptography
ITCS 2023 (January 12, 2023);
QCW 2022;
Third Kyoto Workshop on Quantum Information, Computation, and Foundations (October 18, 2022) [Slides];
MIT Cryptography and Information Security seminar (September 30, 2022)
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Cryptography from Pseudorandom Quantum States
QCrypt 2022 contributed talk (August 29, 2022) [Video, Slides]; CRYPTO 2022 (August 15, 2022) [Video abstract, Slides, Recording]; UC Berkeley Theory CS Seminar (January 11, 2022) [Slides]
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Beating Classical Impossibility of Position Verification
QCW 2022;
QIP 2022 contributed talk (March 10, 2022) [Recording];
Ottawa QUASAR seminar (March 4, 2022);
ITCS 2022 (February 2, 2022) [Video, Recording];
Charles River Crypto Day (November 19, 2021); BUsec Seminar (September 29, 2021) [Slides]
Teaching
Manuscripts
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Hard Quantum Extrapolations in Quantum Cryptography
Luowen Qian, Justin Raizes, Mark Zhandry
[arXiv]
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Unitary Complexity and the Uhlmann Transformation Problem
John Bostanci, Yuval Efron, Tony Metger, Alexander Poremba, Luowen Qian, Henry Yuen
[arXiv] (contributed long plenary talk at QIP 2024)
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Nonuniform Linear Depth Circuits Decide Everything
Luowen Qian
For April Fool's day, 2020 [viXra]
Misc
CVE-2021-0980
GitHub
Looking for the conference.qcry.pt instead? (unaffiliated)
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