Susu
​   
Dr. Livia Betz
    AG Optimal Control of Partial Differential Equations
    Universität Duisburg-Essen
    Thea-Leymann-Straße 9
    D-45127 Essen
    0201-183-6882
    Email: livia.betz@uni-due.de

 

   

Research interests

Optimal control of non-smooth problems
Damage models

Academic Records

June 2017-

PostDoc (SPP 1962), University of Duisburg-Essen

April 2014 - Mai 2017

Research Assistant, Technical University of Dortmund

Studies

Mai 2017

PhD in Mathematics, Technical University of Dortmund

April 2014

Master in Mathematical Economics, Technical University of Dortmund

July 2011

Bachelor in Mathematics, Babes-Bolyai University, Romania

Awards

2018

PostDoc-Preis der Fakultät für Mathematik

University of Duisburg-Essen

 

Lehre im Wintersemester 2018/19

Vorlesung Konvexe Analysis (4+2 SWS)

Preprints

[8] Livia Betz: Vanishing viscosity solutions to a rate-independent two-field gradient damage model, submitted, 2019, Preprint

[7] Livia Betz and Irwin Yousept: Optimal control of elliptic variational inequalities with bounded and unbounded operators, in revision, 2018, Preprint

Publications

[6] Livia Betz: Strong stationarity for optimal control of a non-smooth coupled system: Application to a viscous evolutionary VI coupled with an elliptic PDE, to appear in SIAM Journal on Optimization, 2019, Preprint

[5] Livia Betz: Second-order sufficient optimality conditions for optimal control of non-smooth, semilinear parabolic equations, to appear in SIAM Journal on Control and Optimization, 2019, Preprint

[4] Livia Susu: Optimal control of a viscous two-field gradient damage model, GAMM-Mitteilungen, 40(4), 287-311, 2018, PDF

[3] Christian Meyer and Livia Susu: Analysis of a viscous two-field gradient damage model. Part II: Penalization limit, to appear in Zeitschrift für Analysis und Ihre Anwendungen, 38, 2019, PDF

[2] Christian Meyer and Livia Susu: Analysis of a viscous two-field gradient damage model. Part I: Existence and uniqueness,  Zeitschrift für Analysis und Ihre Anwendungen, 38(3), 249-286, 2019, PDF

[1] Christian Meyer and Livia Susu: Optimal control of nonsmooth, semilinear parabolic equations, SIAM Journal on Control and Optimization, 55(4), 2206-2234, 2017, PDF

Theses

Livia Susu: Analysis and optimal control of a damage model with penalty, Dissertation, TU Dortmund, 2017, PDF

Livia Susu: Die Richtungsableitung bei Statischer Plastizität und deren Konvergenzeigenschaften, Master Thesis, TU Dortmund, 2014

Proceedings

Livia Betz and Irwin Yousept:  On an optimal control problem for a class of elliptic VIs of the second kind involving unbounded operators, PAMM, 18(1):e201800280, 2018

Others

Livia Betz, Malte Winckler and Irwin Yousept:  Supraleiter und Mathematik, UNIKATE 53, 110-119, 2019