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20062026
most citedConnes' embedding conjecture and sums of hermitian squares

116 citations · 1.1k across the 72 of their papers we have counts for

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math.OA2010★ 53 cited

The matricial relaxation of a linear matrix inequality

J. William Helton, Igor Klep, Scott McCullough

Given linear matrix inequalities (LMIs) L_1 and L_2, it is natural to ask: (Q1) when does one dominate the other, that is, does L_1(X) PsD imply L_2(X) PsD? (Q2) when do they have…