Zeros of derivatives of the Riemann zeta fuction (pdf) (with Yoonbok Lee). Submitted
Siegel zeros and zeros of the derivative of the Riemann zeta function (pdf) (with D. Farmer). Submitted
On the zeros of Weng's zeta functions (pdf) Int Math Res Notices. To appear
Zeros of Derivatives of Sum of Dirichlet L-Functions (pdf) (with Yoonbok Lee). J. Number Theory 129 (2009), no. 11, 2743-2746
On the de Bruijn-Newman constant (pdf) (with Young-One Kim and Jungseob Lee). Advances in Mathematics 222 (2009), 281-306
On the zeros of sums of the Riemann zeta function (pdf) J. Number Theory 128 (2008), no. 9, 2704-2755
On the zeros of approximations of the Ramanujan ノ-function (pdf) Ramanujan Journal 17(2008), no. 1,123-143
The zeros of the derivative of the Riemann zeta function near the critical line (pdf) Int Math Res Notices (2008) Vol. 2008, article ID rnn064, 23 pages
The Zero-distribution and the Asymptotic Behavior of a Fourier Integral (pdf) (With Young-One Kim). J. Korean Math. Soc. 44 (2007), no. 2, 455-466
The zeros of Fourier transforms Fourier series methods in complex analysis, 113-127, Univ. Joensuu Dept. Math. Rep. Ser., 10, Univ. Joensuu, Joensuu, 2006.
Zeros of the constant term in the Chowla-Selberg formula (pdf) Acta Arithmetica 124 (2006), 197-204
On the nontrivial zeros of modified Epstein zeta functions (pdf) C. R. Math. Acad. Sci. Paris 342 (2006), no. 2, 79-81
The Riemann ノ-function under repeated differentiation (pdf) J. Number Theory 120 (2006), no. 1, 120-131
All but finitely many nontrivial zeros of the approximations of the Epstein zeta function are simple and on the critical line (pdf)Corrigendum: (pdf) Proc. London Math. Soc. 90 (2005), 321-344