18. Composition laws of binary quadratic forms and isolations of quadratic forms (with J. Ju, K. Kim, M. Kim, B.-K. Oh)
submitted (arXiv)
17. Sums of generalized polygonal numbers with almost prime "length" (with S. Banerjee, B. Kane)
submitted (arXiv)
16. Sums of squares of integers from residue classes
Int. J. Number Theory, accepted for publication (arXiv)
15. Zeta functions of quadratic lattices of a hyperbolic plane (with S. H. Lee, S. Lee)
Math. Nach., 299 (2026), 290-311. (arXiv, Journal)
14. Theta series of ternary quadratic lattice cosets (with B. Kane)
Sel. Math., 32, article number 5 (2026). (arXiv, Journal, article(view only))
13. Zeta functions enumerating subforms of quadratic forms (with S. H. Lee, S. Lee)
Math. Ann., 393 (2025), 1459-1514. (arXiv, Journal, article(view only))
12. Universality lifting from a general base field (with V. Kala, S. H. Lee)
Rev. Math. Ibero., 41 (2025), 2379-2400. (arXiv, Journal)
11. Isolations of the sum of two squares from its proper subforms (with J. Ju, K. Kim, M. Kim, B.-K. Oh)
J. Number Theory, 277 (2025), 1-18. (arXiv, Journal)
10. Lifting problem for universal quadratic forms over totally real cubic number fields (with S. H. Lee)
Bull. Lond. Math. Soc. 56 (2024), 1192-1206. (arXiv, Journal)
9. Explicit class number formulas for Siegel-Weil averages of ternary quadratic forms (with B. Kane, S. Varadharajan)
Trans. Amer. Math. Soc. 376 (2023), 1625-1652. (arXiv, Journal)
8. Primitively universal quaternary quadratic forms (with J. Ju, K. Kim, M. Kim, B.-K. Oh)
J. Number Theory 242 (2023), 181-207. (arXiv, Journal)
7. The pentagonal number theorem of sixty-three and generalizations of Cauchy's lemma (with J. Ju)
Forum Math. 35 (2023), no. 6, 1685-1706. (arXiv, Journal)
6. Weighted sums of generalized polygonal numbers with coefficients 1 or 2
Acta Arith. 202 (2022), 227-240. (arXiv, Journal)
5. Representations of finite number of quadratic forms with same rank (with B.-K. Oh)
Ramanujan J. 56 (2021), no. 2, 631-644. (arXiv, Journal)
4. A sum of three nonzero triangular numbers (with J. Lee, B.-K. Oh)
Int. J. Number Theory 17 (2021), no. 10, 2279-2300. (arXiv, Journal)
3. Prime-universal diagonal quadratic forms (with J. Ju, K. Kim, M. Kim, B.-K. Oh)
Bull. Aust. Math. Soc. 103 (2021), no. 3, 390-404. (arXiv, Journal)
2. On a quadratic Waring’s problem with congruence conditions
Acta Arith. 194 (2020), 73-98. (arXiv, Journal)
1. Generalized Cullen numbers with the Lehmer property (with B.-K. Oh)
Bull. Korean Math. Soc. 50 (2013), no.6, 1981-1988. (Journal)