July 28-30, 2020, Computational Complexity Conference 2020 (CCC 2020). Saarbruecken, Germany. Update: Became a virtual conference.
July 20-31, 2020, Qiskit Global Summer School. It is a webinar.
July 6-8, 2020,
June 22-26, 2020, STOC 2020: 52nd Annual ACM Symposium on Theory of Computing, Chicago, IL. Update: Became a webinar.
June 22-23 and 29-30, 2020, Machine Learning for Quantum Simulation. Webinar.
June 21-26, 2020, International Symposium on Information Theory 2020 (ISIT 2020) Los Angeles, CA. Update: Became a webinar.
June 9-12, 2020, 15th Conference on the theory of quantum computation, communication and cryptography (TQC 2020), Riga, Latvia. Update: Became a webinar, while TQC 2021 will be held in Riga, Latvia.
June 8-12, 2020, Quantum ideas summer school Duke University. Update: The program will be hosted virtually.
June 2-5, 2020, Online workshop: Complexity from Quantum Information to Black Holes. Webinar; free registration is required.
June 1–5, 2020, 51st Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics (APS DAMOP 2020) , Portland, Oregon. See in particular Sessions D09 and H06. Update: Became a webinar; free registration (for APS members) is required. Registration link.
May 4–8, 2020, Quantum Devices: Simulation, Supremacy, and Optimization, Simons Institute, UC Berkeley. Update: Became a webinar.
April 27-29, 2020, Bristol Quantum Information Technologies Workshop (BQIT:20), University of Bristol, UK. Update: Became a webinar.
April 22-24, 2020, Near-term Quantum Computing 2020, Warsaw, Poland. Update: Postponed to Autumn.
April 21-23, 2020, 2020 Quantum Computing User Forum, Webinar organized by Oak Ridge National Laboratory.
April 6-8, 2020, Quantum Computing Theory in Practice Conference 2020, Cambridge, England. Update: Became a webinar.
March 30-April 3, 2020, Quantum Protocols: Testing and Quantum PCPs , Simons Institute, UC Berkeley. Update: Became a webinar.
March 2-6, 2020, March Meeting of the American Physics Society, (see 17. Quantum Information, Concepts and Computation), Denver, CO. Update: The conference was canceled but participants could upload their talks and slides for everybody to view. See also here.
February 25-28, 2020, Quantum Algorithms , Simons Institute, UC Berkeley.
February 22–24, 2020, Quantum Cryptanalysis of Post-Quantum Cryptography, Simons Institute, UC Berkeley.
February 8-10, 2020, 22nd Annual Southwest Quantum Information and Technology (SQuInT), Eugene, OR.
January 27–31, 2020, The Quantum Wave in Computing Boot Camp, Simons Institute, UC Berkeley.
January 4-10, 2019, Quantum Information Processing (QIP 2020), Shenzhen, China.
October 14-18, 2019, Quantum Simulation and Computation 2019 (QSC 2019) See also September 16-October 11, 2019 for a four weeks of workshop prior to this meeting.