Z. Ren

Optimal rates of convergence for estimating Toeplitz covariance matrices

Harrison H. Zhou, T. Cai, Z. Ren, 2013 .

UV LED arrays at 280 and 340 nm for spectroscopic biosensing

Z. Ren, A. Nurmikko, W. Patterson, 2007 .

AlGaN deep ultraviolet leds on bulk AlN substrates

Yoon-Kyu Song, Arto V. Nurmikko, Qian Sun, 2007 .