A high-order local maximum principle for abnormal extremals examples. - Urszula Ledzewicz; Heinz Schättler (CDC, 2000)

On a synthesis of controls for a mathematical model of cancer chemotherapy. - Urszula Ledzewicz; Heinz Schättler (CDC, 2000)

A High-Order Generalized Local Maximum Principle. - Urszula Ledzewicz; Heinz Schättler (SIAM J. Control. Optim., 2000)

On optimal controls for a general mathematical model for chemotherapy of HIV. - Urszula Ledzewicz; Heinz Schättler (ACC, 2002)

Analysis of a class of optimal control problems arising in cancer chemotherapy. - Urszula Ledzewicz; Heinz Schättler (ACC, 2002)

Sufficient conditions for optimality of controls in biomedical systems. - Urszula Ledzewicz; Heinz Schättler (CDC, 2002)

Optimal control for a bilinear model with recruiting agent in cancer chemotherapy. - Urszula Ledzewicz; Heinz Schättler (CDC, 2003)

A local field of extremals for single-input systems with state space constraints. - Urszula Ledzewicz; Heinz Schättler (CDC, 2004)

Structure of optimal controls for a cancer chemotherapy model with PK/PD. - Urszula Ledzewicz; Heinz Schättler (CDC, 2004)

Comparison of optimal controls for a model in cancer chemotherapy with L1- and L2-type objectives. - Urszula Ledzewicz; Tim Brown; Heinz Schättler (Optim. Methods Softw., 2004)

A Synthesis of Optimal Controls for a Model of Tumor Growth under Angiogenic Inhibitors. - Urszula Ledzewicz; Heinz Schättler (CDC/ECC, 2005)

AntiAngiogenic Therapy in Cancer Treatment as an Optimal Control Problem. - Urszula Ledzewicz; Heinz Schättler (SIAM J. Control. Optim., 2007)

Optimal control for combination therapy in cancer. - Urszula Ledzewicz; Heinz Schättler; Alberto d'Onofrio (CDC, 2008)

On the structure of optimal controls for a mathematical model of tumor anti-angiogenic therapy with linear pharmacokinetics. - Urszula Ledzewicz; Heinz Schättler; Andrew Berman (CCA/ISIC, 2009)

Piecewise constant suboptimal controls for a system describing tumor growth under angiogenic treatment. - Urszula Ledzewicz; Heinz Schättler; John Marriott (CCA/ISIC, 2009)

The effect of pharmacokinetics on optimal protocols for a mathematical model of tumor anti-angiogenic therapy. - Urszula Ledzewicz; Yi Liu; Heinz Schättler (ACC, 2009)

Bang-bang and singular controls in a mathematical model for combined anti-angiogenic and chemotherapy treatments. - Urszula Ledzewicz; Helmut Maurer; Heinz Schättler (CDC, 2009)

Optimal controlled trajectories for a mathematical model of anti-angiogenic therapy in cancer. - Urszula Ledzewicz; Heinz Schättler (CDC, 2009)

High-order Maximum Principle for Abnormal Extremals. - Urszula Ledzewicz; Heinz Schättler (Encyclopedia of Optimization, 2009)

High-order Necessary Conditions for Optimality for Abnormal Points. - Urszula Ledzewicz; Heinz Schättler (Encyclopedia of Optimization, 2009)

Bifurcation of singular arcs in an optimal control problem for cancer immune system interactions under treatment. - Urszula Ledzewicz; Mohammad Naghnaeian; Heinz Schättler (CDC, 2010)

On optimal protocols for combinations of chemo- and immunotherapy. - Urszula Ledzewicz; Mozhdeh Faraji; Heinz Schättler (CDC, 2012)

A geometric analysis of bang-bang extremals in optimal control problems for combination cancer chemotherapy. - Heinz Schättler; Urszula Ledzewicz; S. Mahmoudian Dehkordi; M. Reisi (CDC, 2012)

Multi-input Optimal Control Problems for Combined Tumor Anti-angiogenic and Radiotherapy Treatments. - Urszula Ledzewicz; Heinz Schättler (J. Optim. Theory Appl., 2012)

On the control of cell migration and proliferation in glioblastoma. - Heinz Schättler; Urszula Ledzewicz; Yangjin Kim; Aurelio de los Reyes; Eunok Jung (CDC, 2013)

Optimal control for a SIR epidemiological model with time-varying populations. - Urszula Ledzewicz; Mahya Aghaee; Heinz Schättler (CCA, 2016)

Optimal Control for a Mathematical Model of Glioma Treatment with Oncolytic Therapy and TNF-α Inhibitors. - Elzbieta Ratajczyk; Urszula Ledzewicz; Heinz Schättler (J. Optim. Theory Appl., 2018)

Optimal Combined Radio- and Anti-Angiogenic Cancer Therapy. - Urszula Ledzewicz; Helmut Maurer; Heinz Schättler (J. Optim. Theory Appl., 2019)

On the role of tumor heterogeneity for optimal cancer chemotherapy. - Urszula Ledzewicz; Heinz Schättler; Shuo Wang (Networks Heterog. Media, 2019)

On the Role of the Objective in the Optimization of Compartmental Models for Biomedical Therapies. - Urszula Ledzewicz; Heinz Schättler (J. Optim. Theory Appl., 2020)

The Structure of Optimal Protocols for a Mathematical Model of Chemotherapy with Antiangiogenic Effects. - Urszula Ledzewicz; Heinz Schättler (SIAM J. Control. Optim., 2022)

On modeling the synergy of cancer immunotherapy with radiotherapy. - Urszula Ledzewicz; Heinz Schättler (Commun. Nonlinear Sci. Numer. Simul., 2023)