US Patent Issued to International Business Machines on Sept. 8 for "Quantum circuit for estimating matrix spectral sums" (American, South African Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,061, issued on Sept. 8, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Quantum circuit for estimating matrix spectral sums" was invented by Shashanka Ubaru (Ossining, N.Y.), Ismail Yunus Akhalwaya (Emmarentia, South Africa), Kenneth Lee Clarkson (Madison, N.J.), Mark S. Squillante (Greenwich, Conn.), Vasileios Kalantzis (White Plains, N.Y.) and Lior Horesh (North Salem, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for operating a quantum system are described. A controller of a quantum system can generate a command signal. The quantum system can include quantum hardware having a plurality of qubits. ...