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quant-ph2026
More mutually unbiased bases
Mateo Cárdenes Wuttig, Joseph Tindall
Mutually unbiased bases (MUBs) describe quantum measurements for which certainty in one basis gives uniform outcomes in the others. Their maximum number remains unknown in dimensio…
quant-ph2026
A Complete Classification of Complex Hadamard Matrices of Order Six
Mateo Cárdenes Wuttig, Joseph Tindall
Complex Hadamard matrices encode perfectly balanced unitary transformations. Their classification is complete through order five, but order six -- the first dimension in which seve…