106 citations · 247 across the 34 of their papers we have counts for
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math.OC2003★ 1 cited
The structured distance to ill-posedness for conic systems
Adrian S. Lewis
An important measure of conditioning of a conic linear system is the size of the smallest structured perturbation making the system ill-posed. We show that this measure is unchange…
math.OC2003★ 106 cited
The Lax conjecture is true
Adrian S. Lewis, Pablo A. Parrilo, Motakuri V. Ramana
In 1958 Lax conjectured that hyperbolic polynomials in three variables are determinants of linear combinations of three symmetric matrices. This conjecture is equivalent to a recen…