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quant-ph2026
Mermin-Peres magic rectangles modulo odd primes
Josse van Dobben de Bruyn, Remy van Dobben de Bruyn, Peter Zeman
The Mermin-Peres magic square provides a simple example of a system of linear equations over which has no classical solutions but does have a finite-dimens…
quant-ph2026
Quantum polymorphism characterisation of commutativity gadgets in all quantum models
Eric Culf, Josse van Dobben de Bruyn, Peter Zeman
Commutativity gadgets provide a technique for lifting classical reductions between constraint satisfaction problems to quantum-sound reductions between the corresponding nonlocal g…