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math.FA2013★ 225 cited
An algebraic characterization of injectivity in phase retrieval
Aldo Conca, Dan Edidin, Milena Hering +1
A complex frame is a collection of vectors that span and define measurements, called intensity measurements, on vectors in . In purely mathematical ter…
math.OC2013★ 2 cited
Quartic Spectrahedra
John Christian Ottem, Kristian Ranestad, Bernd Sturmfels +1
Quartic spectrahedra in 3-space form a semialgebraic set of dimension 24. This set is stratified by the location of its ten nodes. There are twenty maximal strata, identified recen…