I am working through example 4.12 and 4.13 from 'Quantum Computing: From Linear Algebra to Physical Realizations' (Pages 83-84 and 405-406) and I can't seem to figure out some what the '*' in figure (i) and (ii) mean?
2026-03-26 13:00:57.1774530057
Decomposition of a matrix into a product of two-level unitaries
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