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quant-ph2026
Geometry of Free Fermion Commutants
Marco Lastres, Sanjay Moudgalya
Understanding the structure of operators that commute with identical replicas of unitary ensembles, also known as their -commutants, is an important problem in quantum many-…
quant-ph2026
Non-Universality from Conserved Superoperators in Unitary Circuits
Marco Lastres, Frank Pollmann, Sanjay Moudgalya
An important result in the theory of quantum control is the "universality" of -local unitary gates, i.e. the fact that any global unitary evolution of a system of qudits can…