New Public Key Cryptosystem Using Finite Non Abelian Groups. - Seong-Hun Paeng; Kil-Chan Ha; Jae Heon Kim; Seongtaek Chee; Choonsik Park (CRYPTO, 2001)

Improved Public Key Cryptosystem using Finite non Abelian Groups. - Seong-Hun Paeng; Daesung Kwon; Kil-Chan Ha; Jae Heon Kim (IACR Cryptol. ePrint Arch., 2001)

A Lattice Based Public Key Cryptosystem Using Polynomial Representations. - Seong-Hun Paeng; Bae Eun Jung; Kil-Chan Ha (Public Key Cryptography, 2003)

Entanglement Witnesses Arising from Exposed Positive Linear Maps. - Kil-Chan Ha; Seung-Hyeok Kye (Open Syst. Inf. Dyn., 2011)

Geometry of the Faces for Separable States Arising from Generalized Choi Maps. - Kil-Chan Ha; Seung-Hyeok Kye (Open Syst. Inf. Dyn., 2012)

Exposedness of Choi-Type Entanglement Witnesses and Applications to Lengths of Separable States. - Kil-Chan Ha; Seung-Hyeok Kye (Open Syst. Inf. Dyn., 2013)

Global Geometric Difference Between Separable and Positive Partial Transpose States. - Kil-Chan Ha; Seung-Hyeok Kye (Open Syst. Inf. Dyn., 2014)

Separability of multi-qubit states in terms of diagonal and anti-diagonal entries. - Kil-Chan Ha; Kyung Hoon Han; Seung-Hyeok Kye (Quantum Inf. Process., 2019)