Ann and Bob share a secret, but Eve is eavesdropping.
Ann and Bob share a secret with no eavesdropper.
A short note on the eigen-basis for the single-qubit Hadamard gate.
Some weird properties of the matrices that transform to Bell bases.
A surprising property of a certain 2-by-2 matrix.
Constructing sigmoid functions with the poly-hyperbolic functions from before.
Understanding different representations of the identity matrix when working with an involution.
Using the Hartley matrices for the hermitian phase matrix.
Using the sixth-roots of unity to obtained generalized hyperbolic functions.
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