P. Lisonek,
Kochen-Specker sets and Hadamard matrices.
Theoretical Computer Science 800 (2019), 142-145.

We introduce a new class of complex Hadamard matrices which have not been studied previously. We use these matrices to construct a new infinite family of parity proofs of the Kochen-Specker theorem. We show that the recently discovered simple parity proof of the Kochen-Specker theorem is the initial member of this infinite family.

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