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Comment on 'Control landscapes are almost always trap free: A geometric assessment'

Research output: Contribution to journalComment/debate

  • Dmitry V. Zhdanov
Original languageEnglish
Article number508001
Number of pages8
JournalJournal of Physics A: Mathematical and Theoretical
Issue number50
Early online date21 Nov 2018
DateAccepted/In press - 31 Oct 2018
DateE-pub ahead of print - 21 Nov 2018
DatePublished (current) - 14 Dec 2018


We analyze a recent claim that almost all closed, finite dimensional quantum systems have trap-free (i.e. free from local optima) landscapes (Russell et al 2017 J. Phys. A: Math. Theor. 50, 205302). We point out several errors in the proof which compromise the authors' conclusion.

    Research areas

  • Control constraints, Optimal control, Parametric transversality theorem, Quantum control landscapes



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