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Operator-Valued Positivstellens\"atze on Matrix Convex Sets and Free Products of Finite Abelian Groups https://arxiv.org/abs/2604.27062 #mathFA #mathOA
Operator-Valued Positivstellens\"atze on Matrix Convex Sets and Free Products of Finite Abelian Groups https://arxiv.org/abs/2604.27062 #mathFA #mathOA