Shu Wang

activity

20142021

most citedS-Lemma with Equality and Its Applications

62 citations · 100 across the 8 of their papers we have counts for

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Showing 2014Show all

3 papers · 1 filter

math.OC2014★ 11 cited

An Improved Analysis of Semidefinite Approximation Bound for Nonconvex Nonhomogeneous Quadratic Optimization with Ellipsoid Constraints

Yong Xia, Shu Wang, Zi Xu

We consider the problem of approximating nonconvex quadratic optimization with ellipsoid constraints (ECQP). We show some SDP-based approximation bounds for special cases of (ECQP)…

math.OC2014★ 25 cited

Strong Duality for Generalized Trust Region Subproblem: S-Lemma with Interval Bounds

Shu Wang, Yong Xia

With the help of the newly developed S-lemma with interval bounds, we show that strong duality holds for the interval bounded generalized trust region subproblem under some mild as…

math.OC2014★ 62 cited

S-Lemma with Equality and Its Applications

Yong Xia, Shu Wang, Ruey-Lin Sheu

Let $f (x) = x^{T} A x + 2 a^{T} x + c$ and $h (x) = x^{T} B x + 2 b^{T} x + d$ be two quadratic functions having symmetric matrices $A$ and $B$ . The S-lemma with equality asks when the unsolvability of the sys…