Seminars

2025

10.31. Mr. Sekang Kwon, Improved lower bound for the worst case Pretty Good Measurement
10.24. Mr. In Hee Yun, Are controlled unitaries helpful?
10.17. Dr. Jeonghoon Park, Multiplicativity properties of block noncommutative graphs
09.26. Mr. Sanghyun Choi, Practical Cryptography in the InfoSec Curriculum
09.19. Dr. Donghoon Ha, Factorizability of multi-party quantum sequence discrimination under local operations and classical communication
09.05. Dr. Jeonghoon Park, Zero-error communication under discrete-time Markovian dynamics
08.27. Mr. In Hee Yun, Quantum Pseudoentanglement
08.20. Mr. Sekang Kwon, The abelian state hidden subgroup problem: Learning stabilizer groups and beyond
07.23. Dr. Donghoon Ha, Optimal discrimination of quantum sequences
06.13. ~ 07.16. Mr. Jong Jun Park, Solving the encoding bottleneck: of the HHL algorithm, by the HHL algorithm
05.30. Mr. Jinhyeok Heo, Genuine monogamy relations in no-signaling theories—a geometric approach
05.23. Dr. Jeonghoon Park, Partially Coherent Direct Sum Channels
05.16. Mr. In Hee Yun, Quantum Pseudoentanglement
05.09. Mr. Sekang Kwon, The state hidden subgroup problem and an efficient algorithm for locating unentanglement
04.18 ~ 05.02. Dr. Donghoon Ha, A mirrored pair of optimal non-decomposable entanglement witnesses for two qudits does exist
04.11. Mr. Jong Jun Park, Public-Key Quantum Money From Standard Assumptions
03.28. ~ 04.04. Mr. Jinhyeok Heo, Quantum scheme for secret sharing based on local distinguishability

2024

11.01. Mr. Sekang Kwon, Initialization-free Abelian Hidden Subgroup Problem
10.23. Mr. Jinhyeok Heo, Postmeasurement information and nonlocality of quantum state discrimination
09.11. Mr. Sekang Kwon, A Quantum Algorithm for Abelian Hidden Subgroup Problem with an Arbitrary Auxiliary System
05.27. ~ 06.10. Dr. Jeonghoon Park, Quantum linear system algorithm applied to communication systems
04.19. ~ 05.01. Dr. Jeonghoon Park, Activation of zero-error classical capacity
02.21. ~ 04.03. Mr. Jong Jun Park, General framework for quantum search algorithms
01.10. ~ 01.31. Mr. Jong Jun Park, Element Distinctness problem

2023

10.25. ~ 12.20. Mr. Jong Jun Park, Quantum algorithm for the collision problem
10.18. ~ 11.08. Mr. Sekang Kwon, Implementation of a general quantum measurement on a quantum computer
09.13. Miss Minjeong Song, Causal classification of spatiotemporal quantum correlations
07.26. ~ 08.17. Mr. Sekang Kwon, Simulating positive-operator-valued measures with projective Measurements
05.10. ~ 06.27. Dr. Donghoon Ha, Search via quantum walk
04.19. ~ 05.03. Mr. Jong Jun Park, Search via quantum walk
04.21. Dr. Donghoon Ha, Bound on local minimum-error discrimination of bipartite quantum states
04.12. ~ 04.19. Mr. Jinhyeok Heo, Security of Terhal-DiVincenzo-Leung quantum-data-hiding protocol against inconclusive positive-operator-valued measure
03.29. ~ 04.19. Mr. Sekang Kwon, Implementation of a general single-qubit positive operator-valued measure on a circuit-based quantum computer

2022

11.15. ~ 11.22. Mr. Jong Jun Park, Enhancement of accessible information in binary quantum communication via generalized coherent state
11.10. Mr. Jinhyeok Heo, Quantum state discrimination with PI in general case
08.04. ~ 10.13. Dr. Min Namkung, Quantum speed-up of Markov chain based algorithms
06.23. Prof. Jeong San Kim, Locking and unlocking nonlocality without entanglement by post-measurement information
06.14. Dr. Min Namkung, Quantum random walks: application
05.16. ~ 05.26. Dr. Donghoon Ha, Quantum algorithms for subset finding
04.14. Dr. Donghoon Ha, Quantum random walks (Review)
03.31. Dr. Min Namkung, Iterative procedure for computing accessible information in quantum communication
03.29. ~ 05.12. Dr. Min Namkung, Quantum walk algorithm for element distinctness
03.22. ~ 03.24. Dr. Donghoon Ha, Quantum random walks
03.03. ~ 04.21. Mr. Jong Jun Park, Hidden Subgroup Problem
01.27. ~ 02.24. Mr. Sekang Kwon, An introduction to quantum error correction
01.13. Dr. Donghoon Ha, Bound on optimal local discrimination of bipartite quantum states

2021

11.24. Mr. Jin Hyeok Heo, On quantum data hiding schemes with two separable states
11.17. Dr. Min Namkung, Local Simultaneous State Discrimination
11.10. Dr. Min Namkung, Quantum Dissonance in Assisted Optimal State Discrimination
11.03. Dr. Min Namkung, Quantum Discord and the Power of One Qubit
10.27. Dr. Min Namkung, Quantum teleportation-based quantum computation
10.20. Dr. Min Namkung, Superconducting Qubits - Qubit Hamiltonian engineering
10.13. Dr. Min Namkung, Practical quantum-enhanced receivers for classical communication
09.29. Dr. Min Namkung, Revisiting the Dolinar receiver through multiple-copy state discrimination theory
09.15. Dr. Min Namkung, Optimized communication strategies with binary coherent states over phase noise channels
09.08. Dr. Min Namkung, Quantum state discrimination using noisy quantum neural network
09.01. Dr. Min Namkung, Lowering Helstrom Bound with non-standard coherent states

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