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AN OPTIMAL CONTROL PROBLEM GOVERNED BY A REGULARIZED PHASE-FIELD FRACTURE PROPAGATION MODEL. PART II: THE REGULARIZATION LIMIT Neitzel I, Wick T, Wollner W SIAM Journal on Control and Optimization, 57(3), 1672, 2019 |
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AN OPTIMAL CONTROL PROBLEM GOVERNED BY A REGULARIZED PHASE-FIELD FRACTURE PROPAGATION MODEL Neitzel I, Wick T, Wollner W SIAM Journal on Control and Optimization, 55(4), 2271, 2017 |
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A PRIORI ERROR ESTIMATES FOR A FINITE ELEMENT DISCRETIZATION OF PARABOLIC OPTIMIZATION PROBLEMS WITH POINTWISE CONSTRAINTS IN TIME ON MEAN VALUES OF THE GRADIENT OF THE STATE Ludovici F, Wollner W SIAM Journal on Control and Optimization, 53(2), 745, 2015 |
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FINITE-RANK ADI ITERATION FOR OPERATOR LYAPUNOV EQUATIONS Opmeer MR, Reis T, Wollner W SIAM Journal on Control and Optimization, 51(5), 4084, 2013 |
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OPTIMAL CONTROL OF ELLIPTIC EQUATIONS WITH POINTWISE CONSTRAINTS ON THE GRADIENT OF THE STATE IN NONSMOOTH POLYGONAL DOMAINS Wollner W SIAM Journal on Control and Optimization, 50(4), 2117, 2012 |
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Adaptive finite elements for elliptic optimization problems with control constraints Vexler B, Wollner W SIAM Journal on Control and Optimization, 47(1), 509, 2008 |