Professor of Physics
B.S., 1979, California Institute of Technology. Ph.D., 1984, U.C. Berkeley. Postdoctoral member of Technical Staff, AT&T Bell Laboratories, 1984-86. Member, Technical Staff, AT&T Bell Laboratories, 1986-88. Assistant Professor, Physics, Cornell University, 1988-93. Associate Professor, Physics, Cornell University, 1993-2001. Professor, Physics, Cornell University, 2001-present. Visiting professor, Universitat Tubingen, 1994-95. William L. McMillan Prize, 1988. Alfred P. Sloan Fellow, 1989-92. Presidential Young Investigator, 1989-94. David and Lucille Packard Fellow, 1989-94. Guggenheim Fellow, 1994-95. Alexander von Humboldt Fellow, 1994-95. Erskine Fellow, 2010. Simons Fellow in Theoretical Physics, 2015.
Phase retrieval algorithms, image reconstruction, optimization, protein folding
We develop algorithms for reconstructing particles from noisy diffraction patterns. Currently our efforts are directed at data taken with x-ray free electron lasers, such as the Linac Coherent Light Source. We also work closely with the group of Sol Gruner on image reconstruction in the limit of ultra low photon flux. Over the years we have noticed that our algorithms perform very well on some NP-hard problems; these applications have become a second line of research.
Yi Jiang, Hyung Joo Park, Zhen Wah Tan, Ti-Yen Lan