3 papers
quant-ph2026
Graph Structures for Local Distinguishability of Quantum Product States
Sooyeong Kim, David W. Kribs, Michael Nathanson +2
We consider the problem of distinguishing sets of quantum product states with local operations and classical communication (LOCC). Recent work has used graph theory to identify set…
quant-ph2025
Optimising Perfect Quantum State Transfer for Timing Insensitivity
Alastair Kay, Sooyeong Kim, Christino Tamon
When studying the perfect transfer of a quantum state from one site to another, it is typically assumed that one can receive the arriving state at a specific instant in time, with…
math.QA2025
Quasiorthogonality of Commutative Algebras, Complex Hadamard Matrices, and Mutually Unbiased Measurements
Sooyeong Kim, David Kribs, Edison Lozano +2
We deepen the theory of quasiorthogonal and approximately quasiorthogonal operator algebras through an analysis of the commutative algebra case. We give a new approach to calculate…