116 citations · 1.1k across the 72 of their papers we have counts for
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math.FA2019★ 6 cited
Noncommutative partial convexity via -convexity
Michael Jury, Igor Klep, Mark E. Mancuso +2
Motivated by classical notions of partial convexity, biconvexity, and bilinear matrix inequalities, we investigate the theory of free sets that are defined by (low degree) noncommu…
math.FA2019★ 2 cited
Plurisubharmonic Noncommutative Rational Functions
Harry Dym, J. William Helton, Igor Klep +2
A noncommutative (nc) function in is called plurisubharmonic (plush) if its nc complex Hessian takes only positive semidefinite values on an nc neig…