Browsing by Author "Im, Eric Iksoon"

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    Hessian sufficiency for bordered Hessian
    (Massey University, 2005) Im, Eric Iksoon
    We show that the second–order condition for strict local extrema in both constrained and unconstrained optimization problems can be expressed solely in terms of principal minors of the (Lagrengean) [sic] Hessian. This approach unifies the determinantal tests in the sense that the second-order condition can be always given solely in terms of Hessian matrix.