Edit Profile (opens in new tab) Christof, Constantin Co-Author Distance Author ID: christof.constantin Published as: Christof, Constantin Documents Indexed: 25 Publications since 2017, including 3 Additional arXiv Preprints Co-Authors: 12 Co-Authors with 19 Joint Publications 337 Co-Co-Authors all top 5 Co-Authors 4 single-authored 7 Wachsmuth, Gerd 5 Meyer, Christian 2 Hafemeyer, Dominik 2 Kowalczyk, Julia 1 Brokate, Martin 1 Clason, Christian 1 De los Reyes, Juan Carlos 1 Haubner, Christof 1 Schweizer, Ben 1 Turek, Stefan 1 Vexler, Boris 1 Walther, Stephan all top 5 Serials 4 SIAM Journal on Control and Optimization 3 SIAM Journal on Optimization 3 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 2 Numerische Mathematik 2 GAMM-Mitteilungen 2 Mathematical Control and Related Fields 1 Applied Mathematics and Optimization 1 Calcolo 1 Optimization 1 Journal of Machine Learning Research (JMLR) 1 Set-Valued and Variational Analysis all top 5 Fields 17 Calculus of variations and optimal control; optimization (49-XX) 12 Partial differential equations (35-XX) 9 Operations research, mathematical programming (90-XX) 6 Numerical analysis (65-XX) 4 Operator theory (47-XX) 3 Computer science (68-XX) 3 Mechanics of deformable solids (74-XX) 1 Measure and integration (28-XX) 1 Potential theory (31-XX) 1 Ordinary differential equations (34-XX) 1 Functional analysis (46-XX) 1 Convex and discrete geometry (52-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Fluid mechanics (76-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 20 Publications have been cited 141 times in 96 Documents Cited by ▼ Year ▼ Optimal control of a non-smooth semilinear elliptic equation. Zbl 1407.49026 Christof, Constantin; Meyer, Christian; Walther, Stephan; Clason, Christian 44 2018 Sensitivity analysis and optimal control of obstacle-type evolution variational inequalities. Zbl 1408.35094 Christof, Constantin 16 2019 No-gap second-order conditions via a directional curvature functional. Zbl 1396.49011 Christof, Constantin; Wachsmuth, Gerd 12 2018 Differential sensitivity analysis of variational inequalities with locally Lipschitz continuous solution operators. Zbl 1439.90068 Christof, Constantin; Wachsmuth, Gerd 12 2020 Sensitivity analysis for a class of \(H_{0}^{1}\)-elliptic variational inequalities of the second kind. Zbl 1416.35036 Christof, Constantin; Meyer, Christian 9 2019 A nonsmooth trust-region method for locally Lipschitz functions with application to optimization problems constrained by variational inequalities. Zbl 1446.49006 Christof, Constantin; De los Reyes, Juan Carlos; Meyer, Christian 8 2020 Multiobjective optimal control of a non-smooth semilinear elliptic partial differential equation. Zbl 1468.35048 Christof, Constantin; Müller, Georg 7 2021 A note on a priori \(L^p\)-error estimates for the obstacle problem. Zbl 1442.65352 Christof, Constantin; Meyer, Christian 6 2018 \(L^\infty\)-error estimates for the obstacle problem revisited. Zbl 1393.65046 Christof, Constantin 5 2017 Gradient-based solution algorithms for a class of bilevel optimization and optimal control problems with a nonsmooth lower level. Zbl 1432.49007 Christof, Constantin 4 2020 New regularity results and finite element error estimates for a class of parabolic optimal control problems with pointwise state constraints. Zbl 1473.35609 Christof, Constantin; Vexler, Boris 4 2021 On the nonuniqueness and instability of solutions of tracking-type optimal control problems. Zbl 1485.49013 Christof, Constantin; Hafemeyer, Dominik 3 2022 On second-order optimality conditions for optimal control problems governed by the obstacle problem. Zbl 1480.35248 Christof, Constantin; Wachsmuth, Gerd 2 2021 On the non-polyhedricity of sets with upper and lower bounds in dual spaces. Zbl 1525.49026 Christof, Constantin; Wachsmuth, Gerd 2 2018 Finite element error estimates in non-energy norms for the two-dimensional scalar Signorini problem. Zbl 1453.65404 Christof, Constantin; Haubner, Christof 2 2020 A note on the equivalence and the boundary behavior of a class of Sobolev capacities. Zbl 1527.49007 Christof, Constantin; Müller, Georg 1 2018 Strong stationarity conditions for optimal control problems governed by a rate-independent evolution variational inequality. Zbl 1519.49007 Brokate, Martin; Christof, Constantin 1 2023 Strong stationarity for optimal control of variational inequalities of the second kind. Zbl 1502.49008 Christof, Constantin; Meyer, Christian; Schweizer, Ben; Turek, Stefan 1 2022 Lipschitz stability and Hadamard directional differentiability for elliptic and parabolic obstacle-type quasi-variational inequalities. Zbl 1512.35323 Christof, Constantin; Wachsmuth, Gerd 1 2022 Semismoothness for solution operators of obstacle-type variational inequalities with applications in optimal control. Zbl 1518.35379 Christof, Constantin; Wachsmuth, Gerd 1 2023 Strong stationarity conditions for optimal control problems governed by a rate-independent evolution variational inequality. Zbl 1519.49007 Brokate, Martin; Christof, Constantin 1 2023 Semismoothness for solution operators of obstacle-type variational inequalities with applications in optimal control. Zbl 1518.35379 Christof, Constantin; Wachsmuth, Gerd 1 2023 On the nonuniqueness and instability of solutions of tracking-type optimal control problems. Zbl 1485.49013 Christof, Constantin; Hafemeyer, Dominik 3 2022 Strong stationarity for optimal control of variational inequalities of the second kind. Zbl 1502.49008 Christof, Constantin; Meyer, Christian; Schweizer, Ben; Turek, Stefan 1 2022 Lipschitz stability and Hadamard directional differentiability for elliptic and parabolic obstacle-type quasi-variational inequalities. Zbl 1512.35323 Christof, Constantin; Wachsmuth, Gerd 1 2022 Multiobjective optimal control of a non-smooth semilinear elliptic partial differential equation. Zbl 1468.35048 Christof, Constantin; Müller, Georg 7 2021 New regularity results and finite element error estimates for a class of parabolic optimal control problems with pointwise state constraints. Zbl 1473.35609 Christof, Constantin; Vexler, Boris 4 2021 On second-order optimality conditions for optimal control problems governed by the obstacle problem. Zbl 1480.35248 Christof, Constantin; Wachsmuth, Gerd 2 2021 Differential sensitivity analysis of variational inequalities with locally Lipschitz continuous solution operators. Zbl 1439.90068 Christof, Constantin; Wachsmuth, Gerd 12 2020 A nonsmooth trust-region method for locally Lipschitz functions with application to optimization problems constrained by variational inequalities. Zbl 1446.49006 Christof, Constantin; De los Reyes, Juan Carlos; Meyer, Christian 8 2020 Gradient-based solution algorithms for a class of bilevel optimization and optimal control problems with a nonsmooth lower level. Zbl 1432.49007 Christof, Constantin 4 2020 Finite element error estimates in non-energy norms for the two-dimensional scalar Signorini problem. Zbl 1453.65404 Christof, Constantin; Haubner, Christof 2 2020 Sensitivity analysis and optimal control of obstacle-type evolution variational inequalities. Zbl 1408.35094 Christof, Constantin 16 2019 Sensitivity analysis for a class of \(H_{0}^{1}\)-elliptic variational inequalities of the second kind. Zbl 1416.35036 Christof, Constantin; Meyer, Christian 9 2019 Optimal control of a non-smooth semilinear elliptic equation. Zbl 1407.49026 Christof, Constantin; Meyer, Christian; Walther, Stephan; Clason, Christian 44 2018 No-gap second-order conditions via a directional curvature functional. Zbl 1396.49011 Christof, Constantin; Wachsmuth, Gerd 12 2018 A note on a priori \(L^p\)-error estimates for the obstacle problem. Zbl 1442.65352 Christof, Constantin; Meyer, Christian 6 2018 On the non-polyhedricity of sets with upper and lower bounds in dual spaces. Zbl 1525.49026 Christof, Constantin; Wachsmuth, Gerd 2 2018 A note on the equivalence and the boundary behavior of a class of Sobolev capacities. Zbl 1527.49007 Christof, Constantin; Müller, Georg 1 2018 \(L^\infty\)-error estimates for the obstacle problem revisited. Zbl 1393.65046 Christof, Constantin 5 2017 all cited Publications top 5 cited Publications all top 5 Cited by 136 Authors 17 Christof, Constantin 9 Wachsmuth, Gerd 5 Han, Bo 5 Nhu, Vu Huu 4 Betz, Livia M. 4 Clason, Christian 4 Mehlitz, Patrick 4 Meyer, Christian 4 Rauls, Anne-Therese 3 Brokate, Martin 3 Chen, Yong 3 Fu, Zhenwu 3 Hintermüller, Michael 3 Kunisch, Karl 3 Neitzel, Ira 3 Rautenberg, Carlos N. 3 Ulbrich, Stefan 2 Alphonse, Amal 2 Anh, Nguyen Le Hoang 2 Casas, Eduardo 2 De los Reyes, Juan Carlos 2 Hafemeyer, Dominik 2 Hoppe, Fabian 2 Jin, Qinian 2 Kröner, Axel 2 Li, Li 2 Real, Rommel R. 2 Rösch, Arnd 2 Schmidt, Stephan 2 Schulz, Volker H. 2 Thai Doan Chuong 2 Thinh, Vo Duc 2 Wachsmuth, Daniel 2 Walther, Andrea 2 Weiß, Olga 2 Welker, Kathrin 1 Aarset, Christian 1 Agnelli, Juan Pablo 1 Anh, Nguyen Thi Van 1 Antil, Harbir 1 Apel, Thomas 1 Arridge, Simon R. 1 Benko, Matus 1 Benslimane, Omar 1 Bernreuther, Marco 1 Bin, Chen 1 Borzì, Alfio 1 Breitenbach, Tim 1 Brenner, Susanne Cecelia 1 Cantin, Pierre 1 Chen, Ziang 1 Cocquet, Pierre-Henri 1 Court, Sébastien 1 Crockett, Caroline 1 Deng, Yu 1 Fellner, Klemens 1 Fessler, Jeffrey A. 1 Fu, Xianlong 1 Gadhi, Nazih Abderrazzak 1 Geiersbach, Caroline 1 Geiger, Tobias 1 Geshkovski, Borjan 1 Giri, Ankik Kumar 1 Griewank, Andreas 1 Günther, Wiebke 1 Harder, Felix 1 Haubner, Christof 1 Hehl, Andreas 1 Hertlein, Lukas 1 Hild, Patrick 1 Holler, Martin 1 Huang, Hai 1 Kahle, Christian 1 Kaufmann, Uriel 1 Ke, Tran Dinh 1 Kornhuber, Ralf 1 Kowalczyk, Julia 1 Kruger, Alexander Y. 1 Lang-Batsching, Matthias 1 Lasarzik, Robert 1 Leugering, Günter 1 Leykekhman, Dmitriy 1 Li, Buyang 1 Li, Xiuwen 1 Liang, Xiaoyu 1 Liu, Zhenhai 1 Long, Haie 1 Luft, Daniel 1 Maass, Peter 1 Marko, Jonas 1 Mateos, Mariano 1 Meinlschmidt, Hannes 1 Milzarek, Andre 1 Minchev, Emil 1 Mittal, Gaurav 1 Nguyen Dinh, Tuan 1 Nguyen, Tram Thi Ngoc 1 Nicaise, Serge 1 Papageorgiou, Nikolaos S. 1 Pfefferer, Johannes ...and 36 more Authors all top 5 Cited in 40 Serials 9 SIAM Journal on Control and Optimization 8 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 6 SIAM Journal on Optimization 5 Applied Mathematics and Optimization 5 Numerische Mathematik 5 Optimization 5 Mathematical Control and Related Fields 4 Inverse Problems 3 Journal of Computational and Applied Mathematics 2 Calcolo 2 Numerical Functional Analysis and Optimization 2 Computational Optimization and Applications 2 Calculus of Variations and Partial Differential Equations 2 Journal of Convex Analysis 2 Discrete and Continuous Dynamical Systems 2 Oberwolfach Reports 2 Set-Valued and Variational Analysis 1 Applicable Analysis 1 Journal of Mathematical Analysis and Applications 1 Nonlinearity 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Mathematics of Computation 1 Applied Mathematics and Computation 1 Journal of Optimization Theory and Applications 1 Results in Mathematics 1 Acta Applicandae Mathematicae 1 Journal of Computational Mathematics 1 Applied Numerical Mathematics 1 Journal of Global Optimization 1 ETNA. Electronic Transactions on Numerical Analysis 1 NoDEA. Nonlinear Differential Equations and Applications 1 Advances in Computational Mathematics 1 Vietnam Journal of Mathematics 1 Portugaliae Mathematica. Nova Série 1 Journal of Machine Learning Research (JMLR) 1 Acta Numerica 1 Mathematical Modelling of Natural Phenomena 1 SIAM Journal on Imaging Sciences 1 Foundations and Trends in Signal Processing 1 Evolution Equations and Control Theory all top 5 Cited in 19 Fields 59 Calculus of variations and optimal control; optimization (49-XX) 43 Partial differential equations (35-XX) 34 Numerical analysis (65-XX) 27 Operations research, mathematical programming (90-XX) 15 Operator theory (47-XX) 7 Ordinary differential equations (34-XX) 7 Computer science (68-XX) 6 Global analysis, analysis on manifolds (58-XX) 5 Fluid mechanics (76-XX) 3 General and overarching topics; collections (00-XX) 3 Systems theory; control (93-XX) 2 Integral equations (45-XX) 2 Mechanics of deformable solids (74-XX) 2 Information and communication theory, circuits (94-XX) 1 Real functions (26-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Approximations and expansions (41-XX) 1 Functional analysis (46-XX) 1 Biology and other natural sciences (92-XX) Citations by Year