Ryan O'Donnell Professor Office 7213 Gates and Hillman Centers Email odonnell@cs.cmu.edu Phone (412) 268-4802 Department Computer Science Department Administrative Support Person Emi Perdan Research Interests Algorithms and Complexity Security and Privacy Theory Advisees William He Noah Singer Jingxun Liang CSD Courses Taught 15754 - Spring, 2025 15459 - Fall, 2024 15751 - Spring, 2024 My research interests are: Fourier Analysis of Boolean functions Constraint satisfaction problems: random instances and inapproximability Quantum computation and information theory Complexity theory, especially concrete complexity and proof complexity Probability theory Property testing and learning theory Publications Journal Article Quantum chi-squared tomography and mutual information testing 2024 • Quantum • 8: Flammia ST, O'Donnell R Conference Explicit orthogonal and unitary designs 2023 • Annual Symposium on Foundations of Computer Science • 1240-1260 O'Donnell R, Servedio RA, Paredes P Conference Mean estimation when you have the source code; or, quantum Monte Carlo methods 2023 • Proceedings of the Annual ACM-SIAM Symposium on Discrete Algorithms • 2023-January:1186-1215 Kothari R, O'Donnell R Conference Query-optimal estimation of unitary channels in diamond distance 2023 • Annual Symposium on Foundations of Computer Science • 363-390 Haah J, Kothari R, O'Donnell R, Tang E Conference Explicit Abelian Lifts and Quantum LDPC Codes 2022 • Leibniz International Proceedings in Informatics • 215: Jeronimo FG, Mittal T, O'Donnell R, Paredes P, Tulsiani M
Journal Article Quantum chi-squared tomography and mutual information testing 2024 • Quantum • 8: Flammia ST, O'Donnell R
Conference Explicit orthogonal and unitary designs 2023 • Annual Symposium on Foundations of Computer Science • 1240-1260 O'Donnell R, Servedio RA, Paredes P
Conference Mean estimation when you have the source code; or, quantum Monte Carlo methods 2023 • Proceedings of the Annual ACM-SIAM Symposium on Discrete Algorithms • 2023-January:1186-1215 Kothari R, O'Donnell R
Conference Query-optimal estimation of unitary channels in diamond distance 2023 • Annual Symposium on Foundations of Computer Science • 363-390 Haah J, Kothari R, O'Donnell R, Tang E
Conference Explicit Abelian Lifts and Quantum LDPC Codes 2022 • Leibniz International Proceedings in Informatics • 215: Jeronimo FG, Mittal T, O'Donnell R, Paredes P, Tulsiani M