(with A. Seo) Ampleness of normal bundles of base cycles in flag domains, Transform Groups 30 (2025), no 2, 741-773.
(with S.-Y. Kim) Characterizations of smooth projective horospherical varieties of Picard number one, Selecta Math. vol 31 (2025) paper 12.
(with I. Choe, G. H. Hiching) Simplicity of tangent bundles on the moduli spaces of symplectic and orthogonal bundles over a curve, C. R. Math. Acad. Sci. Paris 362 (2024), 493–510.
(with T. Morimoto) Prolongations, invariants, and fundamental identities of geometric structures, Differential Geom. Appl. 92 (2024), 102107.
(with S. Cho and E. Lee) Permutation module decomposition of the second cohomology of a regular semisimple Hessenberg variety, Int. Math. Res. Not. IMRN(2023), no. 24, 22004–22044
(with S. Cho and E. Lee) Bases of the equivariant cohomologies of regular semisimple Hessenberg varieties, Adv. Math. 423 (2023), Paper No. 109018.
Simplicity of tangent bundles of smooth horospherical varieties of Picard number one, C. R. Math. Acad. Sci. Paris 360 (2022), 285--290.
(with S. Cho) Positivity of chromatic symmetric functions associated with Hessenberg functions of bounce number 3, Electron. J. Combin. 29 (2022), no. 2, Paper No. 2.19
(with S.-C. Ng) Local holomorphic mappings respecting homogeneous subspaces on rational homogeneous spaces, Math. Ann. 380 (2021), no. 1--2, 885--909.
(with N. Mok) Schur rigidity of Schubert varieties in rational homogeneous manifolds of Picard number one, Selecta Math. (N.S.) 26 (2020), no. 3, 41.
(with A. Huckleberry and A. Seo) Normal bundles of cycles in flag domains, Sao Paulo J. Math. Sci. 12 (2018), no. 2, 278--289.
(with K. Chung and S. Lee) Geometry of moduli spaces of rational curves in linear sections of Grassmannian Gr(2,5), J. Pure Appl. Algebra 222 (2018), no. 4, 868--888.
Smooth horospherical varieties of Picard number one as linear sections of rational homogeneous varieties, J. Korean Math. Soc. 53 (2016), no. 2, 433--446.
Classification of smooth Schubert varieties in the symplectic Grassmannians, J. Korean Math. Soc. 52 (2015), no. 5, 1109--1122.
On differential invariants of hyperplane systems on nondegenerate equivariant embeddings of homogeneous spaces, Commun. Korean Math. Soc. 30 (2015), no. 3, 253--267.
(with N. Mok) Characterization of smooth Schubert varieties in rational homogeneous manifolds of Picard number 1, J. Algebraic Geom. 22 (2013), no. 2, 333--362.
(with K. Chung and Y.-H. Kiem) Compactified moduli spaces of rational curves in projective homogeneous varieties, J. Math. Soc. Japan 64 (2012), no. 4, 1211--1248.
(with K. Park) Characterization of standard embeddings between rational homogeneous manifolds of Picard number one, Int. Math. Res. Not. IMRN 2011, no. 10, 2351--2373.
(with N. Mok) Analytic continuation of holomorphic maps respecting varieties of minimal rational tangents and applications to rational homogeneous manifolds, J. of Differential Geom. 86 (2010), no.3, 539--567
(with J.-M., Hwang) Characterization of the rational homogeneous spaces associated to a long root by its variety of minimal rational tangents, Algebraic geometry in East Asia-Hanoi 2005, 217--236, Adv. Stud. Pure Math., 50, Math. Soc. Japan, Tokyo, 2008.
Rigidity of smooth Schubert varieties in Hermitian symmetric spaces, Trans. Amer. Math. Soc. 359 (2007), no. 5, 2361--2381.
(with A. Huckleberry) On closure of cycle spaces of flag domains, Manuscripta Math. 121 (2006), no. 3, 317--327.
Rigidity of singular Schubert varieties in Gr(m,n), J. Differential Geom. 71 (2005), no. 1, 1--22.
(with I. Choe) Integral varieties of the canonical cone structure on G/P, Math. Ann. 329 (2004), no. 4, 629--652.
Fano manifolds with geometric structures modeled after homogeneous contact manifolds, Internat. J. Math. 11 (2000), no. 9, 1203--1230.