ITLApplied  Computational Mathematics Division
ACMD Seminar Series
Attractive Image NIST

Projecting onto Qubit Irreps of Young Diagrams

Stephen S. Bullock
Information Technology Laboratory, Mathematical and Computational Sciences Division

Tuesday, November 21, 2006 15:00-16:00,
Building 101, Lecture Room D
Tuesday, November 21, 2006 13:00-14:00,
Room 4511

Abstract: Much recent work in quantum circuit design considers efficient use of measurement, rather than unitary transformations, for computation. This talk describes measurements which coerce an n-qubit state into one of many subspaces of the state space arising from representation theory. The classically-controlled measurement scheme that results provides a method of producing Bell states using only measurements and Fredkin gates, in contrast to the usual Hadamard-CNOT circuit.

Speaker Bio: Stephen S. Bullock graduated with a PhD in Mathematics from Cornell University in May 2000 and spent three years as a professor in the Mathematics Department of the University of Michigan before joining MCSD as an NRC Research Associate in July 2003. His current research interests are quantum circuit design and multi-partite entanglement theory, with published results appearing in Quantum Information and Computation, Physical Review A, Proceedings of the Design Automation Conference, and Journal of Mathematical Physics.

Presentation Slides: For a copy of the presentation slides, please contact the speaker (

Contact: P. M. Ketcham

Note: Visitors from outside NIST must contact Robin Bickel; (301) 975-3668; at least 24 hours in advance.

Privacy Policy | Disclaimer | FOIA
NIST is an agency of the U.S. Commerce Department.
Last updated: 2011-01-12.