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Professorship Applied Mathematics (Approximation Theory)
Research Seminar

Research Seminar Optimization and Approximation

The seminars are held every Wednesday between 9.15 and 10.45 A.M.
They are taking place in room 705 of the building Reichenhainer Str. 41.

The talks from this semester are:
Date Lecturer Subject

WINTER SEMESTER 2017/2018
21.03.2018 Members of the Working Group Short lectures on current research
17.01.2018 S. Bitterlich The Proximal-AMA-Method
08.11.2017 S. Bitterlich Proximal-AMA and application in image deblurring and denoising
18.10.2017 Members of the Working Group Short lectures on current research
11.10.2016 PD Dr. habil. S.-M. Grad Semester planning

SUMMER SEMESTER 2017
15.09.2017
11:00
S. Bitterlich Proximal-AMA: generalizations and applications
12.07.2017 Members of the Working Group Short lectures on current research
14.06.2017 Members of the Working Group Short lectures on current research
24.05.2017 A. Jamneshan An approach to vector duality and stochastic optimization based on the theory of conditional sets
17.05.2017 S. Bitterlich Smoothing methods in convex optimization
19.04.2017 Members of the Working Group Short lectures on current research
05.04.2017 PD Dr. habil. S.-M. Grad Semester planning

WINTER SEMESTER 2016/2017
13.02.2017
10:00
F. Hohlfeld Prognose des Ausgleichsenergiepreises im Strommarkt [Defense of Master thesis]
01.02.2017 O. Wilfer Formulae of epigraphical projection for solving minimax location problems
25.01.2017 Assoc. Prof. Dr. R. I. Boţ On the minimization of the sum of a nonsmooth with a smooth function in the nonconvex setting
18.01.2017 Prof. Dr. A. Lkhamsuren An extension of the one period model in non-life insurance markets
11.01.2017
09:45
J. Fankhänel Das Prokrustes Problem in endlichdimensionalen l-p-Räumen
07.12.2016 S. Bitterlich ADMM-Verfahren und Anwendungen im maschinellen Lernen
09.11.2016 T. Jahn Reduced polytopes
26.10.2016 F. Hohlfeld Prognose des Ausgleichsenergiepreises im Strommarkt
12.10.2016 Prof. Dr. G. Wanka
PD Dr. habil. S.-M. Grad
Semester planning

SUMMER SEMESTER 2016
06.07.2016 O. Wilfer Epigraphical splitting methods for location problems
22.06.2016 F. Salzer Characterisations of the trend of the expected transfer of taxed 2x2-matrix games
01.06.2016 T. Jahn Orthogonality without inner products II
25.05.2016 N. Illig Portfolio optimization under shortfall risk constraint
18.05.2016 T. Barth Presentation of a Master thesis
27.04.2016 L. Höpfner Duality investigations for K-semidefinite multiobjective optimization problems [Defense of Diploma thesis]
06.04.2016 PD Dr. habil. S.-M. Grad Semester planning

WINTER SEMESTER 2015/2016
03.02.2016 O. Wilfer Solving Minimax Location Problems via Epigraphical Projection
27.01.2016 Prof. Dr. A. Lkhamsuren
T. Barth
Algorithmic Developments for Generalized Nash Equilibrium Problems with Applications
Konvergenzbeweis zum Weiszfeld-Algorithmus
20.01.2016 T. Barth Konvergenzbeweis zum Weiszfeld-Algorithmus
13.01.2016 G. Wachsmuth Polyhedricity
09.12.2015 L. Höpfner Presentation of a Diploma thesis
02.12.2015 B. Schaffrath Presentation of a Bachelor thesis
25.11.2015 N. Rudowol Location problems with minimal-time function and duality investigations [Defense of Diploma thesis]
11.11.2015 T. Groß Investigations on the Weiszfeld algorithm or location problems with lp-norms [Defense of Diploma thesis]
04.11.2015 T. Jahn Orthogonality without inner products
28.10.2015 PD Dr. habil. S.-M. Grad Intermediate report on the current DFG-Project
21.10.2015 Dr. E.R. Csetnek Approaching monotone inclusion problems via continuous dynamical systems
14.10.2015 Prof. Dr. G. Wanka
PD Dr. habil. S.-M. Grad
Semester planning

SUMMER SEMESTER 2015
17.06.2015 O. Wilfer Solving Minimax Location Problems by Epigraphical Splitting
03.06.2015 D. Schädlich Duality investigations via generalized convexity
06.05.2015 N. Rudowol Location problems involving minimal-time functions
22.04.2015 T. Groß Weiszfeld-Algorithm with lp-Norms
08.04.2015 Prof. Dr. G. Wanka
PD Dr. habil. S.-M. Grad
Semester planning

WINTER SEMESTER 2014/2015
04.02.2015 N. Rudowol Presentation of a Diploma theme
28.01.2015 T. Groß Presentation of a Diploma theme
21.01.2015 D. Schädlich Presentation of a Diploma theme
14.01.2015 T. Jahn Cassini Curves: Then and Now
10.12.2014 O. Wilfer Duality results for extended multifacility minimax location problems
03.12.2014 Dr. V. Shikhman Konvexe Modelle für Marktgleichgewichte
12.11.2014 O. Wilfer Duality for location problems
05.11.2014 D. Schädlich Presentation of a Diplom theme
15.10.2014 Prof. Dr. G. Wanka
PD Dr. habil. S.-M. Grad
Semester planning


SUMMER SEMESTER 2014
09.07.2014 C. Hendrich Proximal splitting methods in nonsmooth convex optimization
02.07.2014 T. Morich Minimal time functions in convex analysis
04.06.2014 T. Jahn A gentle introduction to convex geometry
21.05.2014 O. Wilfer Duality for convex continuous location problems via multi-composed optimization
14.05.2014 C. Hendrich Inertial Douglas-Rachford splitting for monotone inclusion problems
07.05.2014 Prof. Dr. A. Lkhamsuren An exact penalty approach and conjugate duality for generalized Nash equilibrium problems with coupling and shared constraints
23.04.2014 C. Hendrich An overview on the doctoral thesis "Proximal Splitting Methods in Nonsmooth Convex Optimization"
09.04.2014 Prof. Dr. G. Wanka
PD Dr. habil. S.-M. Grad
Semester planning

WINTER SEMESTER 2013/2014
22.01.2014 Dr. S.-M. Grad The equilibrium problem and its applications
15.01.2014 O. Wilfer Optimality conditions for single location problems
11.12.2013 V. Lang Allgemeine Abweichungs- und Risikomaße in der Portfoliooptimierung [Defense of Diploma thesis]
27.11.2013 C. Hendrich A Douglas-Rachford type primal-dual method for solving inclusions with mixtures of composite and parallel-sum type monotone operators
13.11.2013 L. Lange Robuste Portfoliooptimierung [Defense of Bachelor thesis]
30.10.2013 Dr. S.-M. Grad Generalizations of the weak minimality
16.10.2013 Prof. Dr. G. Wanka
Dr. S.-M. Grad
Semester planning
Conjugate functions

SUMMER SEMESTER 2013
17.07.2013 L. Lange Robuste Portfoliooptimierung
03.07.2013 V. Lang Allgemeine Risikomaße in der Portfoliooptimierung
26.06.2013 O. Wilfer ε-optimality conditions for multi-composed optimization problems with an application to convex fractional problems
12.06.2013 F. Weidner Zur Anwendbarkeit von Splitting- und Glättungsverfahren bei Aufgaben des maschinellen Lernens [Defense of Diploma thesis]
05.06.2013 T. Jahn Minimax location in finite-dimensional normed spaces
29.05.2013 Dr. S.-M. Grad Recent advances in vector optimization and set-valued analysis via convex duality
15.05.2013 Dr. S.-M. Grad Recent advances in vector and set-valued analysis via conjugate duality
07.05.2013 C. Hendrich Convex risk minimization via proximal splitting methods
24.04.2013 Dr. E.R. Csetnek On the convergence rate improvement of a primal-dual splitting algorithm for solving monotone inclusion problems
10.04.2013 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

WINTER SEMESTER 2012/2013
19.03.2013
14:00
A. Heinrich Fenchel duality-based algorithms for convex optimization problems with applications in machine learning and image restoration
30.01.2013 E. Nagy A primal-dual splitting algorithm for solving systems of monotone inclusions
23.01.2013 O. Wilfer A Lagrange duality approach for multi-composed optimization problems with an application to multifacility minimax location problems
16.01.2013 F. Weidner Zur Anwendbarkeit von Splitting- und Glättungsverfahren bei Aufgaben des maschinellen Lernens
19.12.2012 S. Banert A relaxed forward-backward splitting algorithm for inclusions of sums of monotone operators [Defense of Diploma thesis]
05.12.2012 Dr. A. Lkhamsuren Remarks on weak sharpness for gap functions in scalar and vector variational inequalities
28.11.2012 S. Banert A relaxed forward-backward splitting algorithm for inclusions of sums of monotone operators
14.11.2012 C. Hendrich Convergence analysis for a primal-dual monotone + skew splitting algorithm with applications to total variation minimization
07.11.2012 A. Eckardt Proximal Splitting Methods for Solving Nondifferentiable Convex Optimization Problems [Defense of Diploma thesis]
24.10.2012 Dr. E.R. Csetnek A primal-dual splitting algorithm for finding zeros of sums of maximally monotone operators
10.10.2011 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

SUMMER SEMESTER 2012
11.07.2012 H.V. Boncea Characterizations for ε-duality gap statements for constrained optimization problems
04.07.2012 S. Banert A Relaxed Forward-Backward Splitting Algorithm for Inclusions of Sums of Monotone Operators
27.06.2012 N. Lorenz Application of the duality theory. New possibilities within the theory of risk measures, portfolio optimization and machine learning
06.06.2012 A. Eckardt Proximal splitting methods
23.05.2012 A. Heinrich Double smoothing again
16.05.2012 O. Wilfer Fast multiple splitting algorithms for convex optimization
09.05.2012 C. Hendrich On the acceleration of the double smoothing technique for unconstrained convex optimization problems
02.05.2012 Dr. S.-M. Grad A method for solving a class of vector optimization problems
25.04.2012 Conf. Dr. N. Popovici A special class of generalized convex functions with applications in vector optimization
18.04.2012 Dr. E.R. Csetnek A Brøndsted-Rockafellar Theorem for Diagonal Subdifferential Operators
04.04.2012 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

WINTER SEMESTER 2011/2
21.03.2011
10:00
C. Hendrich A Double Smoothing Technique for Solving Nondifferentiable Convex Optimization Problems [Defense of Diploma thesis]
01.02.2012 E. L. Pop Alternative generalized Wolfe type and Mond-Weir type vector duality
18.01.2012
09:30
C. Hendrich A Double Smoothing Technique for Solving Nondifferentiable Convex Optimization Problems
04.01.2012 O. Wilfer Zielkriterien für Job-Shop Scheduling-Probleme
07.11.2011 Dr. E. R. Csetnek Conjugate duality and the control of linear discrete systems
30.11.2011 L. Cioban Revisiting the construction of gap functions for variational inequalities and equilibrium problems via conjugate duality
23.11.2011 Conf. Dr. N. Popovici Reducibility of vector variational inequalities defined by bifunctions
09.11.2011 O. Wilfer Job-shop scheduling problems
02.11.2011 Dr. S.-M. Grad Properties of the diagonal subdifferential operators
19.10.2011 A. Heinrich Multi Kernel Learning
12.10.2011 PD Dr. habil. R. I. Boţ
Dr. S.-M. Grad
Semester planning

SUMMER SEMESTER 2011
27.07.2011
09:00
Prof. Dr. H. Bauschke On averages of firmly nonexpansive mappings
13.07.2011 L. Cioban Duality for ε-variational inequalities via the subdifferential calculus
06.07.2011 A. Heinrich Support Vector Regression in Approximate Policy Iteration
22.06.2011 Dr. S.-M. Grad
N. Lorenz
Approaching the maximal monotonicity of bifunctions via representative functions
Support Vector Regression
01.06.2011 A. Heinrich Support Vector Machines
25.05.2011 N. Lorenz Optimization problems in statistical Learning
18.05.2011 S.C. László On the generalized parallel sum of two maximal monotone operators of Gossez type (D)
11.05.2011 Members of the Working Group Short lectures on current research
04.05.2011 Members of the Working Group Short lectures on current research
27.04.2011 Dr. E. R. Csetnek Error bound results for convex inequality systems via conjugate duality
20.04.2011 N. Lorenz Presentation of the PhD thesis structure
06.04.2011 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

WINTER SEMESTER 2010/1
17.03.2011
10:00
O. Wilfer Dualitätsuntersuchungen mittels erweiterten Lagrange-Funktionen bei Optimierungsaufgaben [Defense of Diploma thesis]
02.02.2011 O. Wilfer Dualitätsuntersuchungen mittels erweiterten Lagrange-Funktionen bei Optimierungsaufgaben
26.01.2011 A. Heinrich Approximating DP via SVR
19.01.2011 Dr. S.-M. Grad On robust optimization
08.12.2010 M. Wendland A complete characterization of strong duality in nonconvex optimization with a single constraint
01.12.2010 Members of the Working Group Short lectures on current research
24.11.2010 O. Wilfer Duality investigations for optimization problems via augmented Lagrangians [presentation of a Diploma theme]
10.11.2010 S.C. László Generalized monotone operators, generalized convex functions and closed countable sets
03.11.2010 A. Heinrich State selection in approximate dynamic programming
20.10.2010 J. Werner Darstellung und Analyse des Black-Litterman-Verfahrens als Erweiterung der klassischen Portfoliooptimierung nach Markowitz" [Defense of Diploma thesis]
13.10.2010 Prof. Dr. G. Wanka
Dr. S.-M. Grad
Semester planning

SUMMER SEMESTER 2010
30.06.2010 O. Wilfer Portfolio optimization problems through the risk measures Value-at-Risk and Conditional Value-at-Risk [Semester work]
16.06.2010 Dr. E.R. Csetnek On a zero duality gap result in extended monotropic programming
09.06.2010 N. Lorenz Optimality conditions for portfolio optimization problems
02.06.2010 S. Müller Presentation of a Diploma theme: Evaluation of the Order Picking Systems
12.05.2010 A.R. Frătean Looking for appropriate qualification conditions for subdifferential formulae and dual representations for convex risk measures
05.05.2010 D.M. Nechita On the Dini-Hadamard subdifferential of the difference of two functions
28.04.2010 J. Werner Presentation of a Diploma theme: The Black-Litterman model
21.04.2010
Rh. 70/B202
R. Schnaubelt Lösungszugänge zu Tourenproblemen [Defense of Diploma thesis]
07.04.2010 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

WINTER SEMESTER 2009/10
03.02.2010 A. Heinrich Markov decision processes
27.01.2010 Members of the Working Group Short lectures on current research
13.01.2010 S. Müller Bewertung von Kommissionierungsystemen
06.01.2010 Dr. A. Lkhamsuren An Application of the oriented distance function to vector variational inequalities
16.12.2009 R. Schnaubelt How to solve the Vehicle Routing problem?
08.12.2009
15:30
Rh. 41/638
E. R. Csetnek Overcoming the failure of the classical generalized interior-point regularity conditions in convex optimization. Applications of the duality theory to enlargements of maximal monotone operators [PhD defense]
02.12.2009 E. R. Csetnek Overcoming the failure of the classical generalized interior-point regularity conditions in convex optimization. Applications of the duality theory to enlargements of maximal monotone operators
25.11.2009 A. Heinrich Approximating Markov decision processes using Support Vector Regression
11.11.2009 Dr. A. Lkhamsuren Perturbation approach to generalized Nash equilibrium problems
28.10.2009 Dr. S.-M. Grad Lower semicontinuous type regularity conditions for subdifferential calculus
14.10.2009 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

SUMMER SEMESTER 2009
17.09.2009
10:00
Rh. 41/733
L. Eiserbeck Entwicklung von Prognoseverfahren für die Dynamische Disposition [Defense of Diploma thesis]
10.07.2009
10:00/B202
Prof. Dr. B. Mordukhovich New developments and applications of variational analysis
01.07.2009 E. R. Csetnek Overcoming the failure of the classical generalized interior-point regularity conditions in convex optimization. Applications of the duality theory to enlargements of maximal monotone operators [III]
17.06.2009 L. Eiserbeck Dynamische Diagnose im Handel
10.06.2009
Rh. 41/638
A. Heinze Bestimmung effizienter Wertpapier-Portfolios mittels eines modifizierten Critical Line - Algorithmus [Defense of Diploma thesis]
03.06.2009 E. R. Csetnek Overcoming the failure of the classical generalized interior-point regularity conditions in convex optimization. Applications of the duality theory to enlargements of maximal monotone operators [II]
27.05.2009 E. R. Csetnek Overcoming the failure of the classical generalized interior-point regularity conditions in convex optimization. Applications of the duality theory to enlargements of maximal monotone operators [I]
13.05.2009 A. Heinze Bestimmung effizienter Wertpapier-Portfolios mittels eines modifizierten Critical Line - Algorithmus
08.04.2009 Prof. Dr. G. Wanka
PD Dr. habil. R. I. Boţ
Semester planning

WINTER SEMESTER 2008/9
04.02.2009 A. Heinrich Reinforcement Learning im Data Mining
28.01.2009 PD Dr. habil. R. I. Boţ
E. R. Csetnek
Short lectures on current research
18.12.2008
15:30
Rh. 70/B202
Dr. R. I. Boţ Minimality in partially ordered vector spaces
10.12.2008 L. Eiserbeck Presentation of a Diploma theme
03.12.2008 A. Heinze The Critical line-Algorithm and Extensions
26.11.2008 A. Heinrich
Dr. S.-M. Grad
Short lectures on current research
13.11.2008
13:45
Rh. 70/B202
Dr. R. I. Boţ Properties of the relative interior
12.11.2008 A. Capătă On vector equilibrium problems and applications
05.11.2008 R. Csetnek On two properties of enlargements of maximal monotone operators
22.10.2008 A. Heinrich Optimal convex combination of kernels
15.10.2008 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Semester planning

SUMMER SEMESTER 2008
16.07.2008 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Reports on the conferences ISOLDE XI and WCNA 2008
19.06.2008
16:00
Rh. 70/B202
Dr. R. I. Boţ Regularity conditions for conjugate duality for convex optimization problems
18.06.2008 A. Grad Quasi-relative interior-type constraint qualifications ensuring strong Lagrange duality for optimization problems with cone and affine constraints
11.06.2008 K. Urbach Naturanaloge Optimierungsalgorithmen
04.06.2008 M. Epperlein Support Vector Regression zur Approximation von Zinskurven
28.05.2008 Dr. S.-M. Grad Regularity conditions for formulae of biconjugate functions
21.05.2008 A. Heinrich Actual results of the project with Continental AG
07.05.2008 N. Lorenz Optimization problems in statistical learning: duality and optimality conditions
23.04.2008 E. R. Csetnek An application of the bivariate inf-convolution formula to enlargements of monotone operators
16.04.2008 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Semester planning

WINTER SEMESTER 2006/7
26.02.2008
10:00
Dr. R. I. Boţ On Rockafellar's conjecture on the maximality of the sum of two maximal monotone operators in general Banach spaces
30.01.2008 A. Heinrich Preprocessing und Bild-Klassifikation mit Support Vector Machines
16.01.2008 Dr. R. I. Boţ On an open problem regarding totally Fenchel unstable functions in finite dimensional spaces
09.01.2008 Members of the Working Group Short lectures on current research
13.12.2007
16:00
I.B. Hodrea Farkas-type results for convex and non-convex inequality systems
05.12.2007 Prof. Dr. G. Kassay On equivalent conditions for the existence of solutions of equilibrium problems
28.11.2007 I.B. Hodrea
A. Heinrich
Farkas-type results for convex and non-convex inequality systems
Reproducing kernel Hilbert spaces for Support Vector Learning
15.11.2007
09:15
Dr. A. Löhne A characterization of maximal monotone operators
01.11.2007
10:00
J. Stoye Untersuchung des Einflusses von Kombinationen von Fertigungs- und Montageparameter auf die Prüfparameter der Piezo-Pumpe-Düse
24.10.2007 E.R. Csetnek
Dr. S.-M. Grad
Short lectures on current research
10.10.2007 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Semester planning

SUMMER SEMESTER 2007
11.07.2007 J. Stoye

A. Heinrich
Untersuchung des Einflusses von Kombinationen von Fertigungs- und Montageparameter auf die Prüfparameter
der Piezo-Pumpe-Düse
Inhalt des geplanten Forschungsvorhabens und Ansätze zu SVR-Methoden
20.06.2007 B. Bolormaa Portfolio selection problem with minimax type risk function
13.06.2007 A. Lkhamsuren Gap functions for vector equlibrium problems via conjugate duality
06.06.2007 E. R. Csetnek Sequential optimality conditions for composed convex optimization problems
23.05.2007 N. Lorenz Duality for chance-constrained problems
16.05.2007 J. Fan Duality for DC location problems
09.05.2007 I. B. Hodrea Formulae for ε-subdifferentials of composed convex functions
25.04.2007 Dr. S.-M. Grad A general approach for studying duality in multiobjective optimization
11.04.2007 Dr. R. I. Boţ Sequential optimality conditions in convex programming via perturbation approach
04.04.2007 Dr. R. I. Boţ
Dr. S.-M. Grad
Semester planning

WINTER SEMESTER 2006/7
31.01.2007 N. Lorenz Optimality conditions for portfolio optimization problems with convex deviation measures as objective functions
24.01.2007 Jielei Fan DC location problems
17.01.2007 Dr. R. I. Boţ,
E. R. Csetnek
Short lectures on current research
10.01.2007 R. Scherf Lagrangians and duality
13.12.2006 I. Windrich Gap Funktionen für vektorielle Variationsungleichungen und Equilibrium Probleme
06.12.2006 J. Winkler Konjugierte Dualität bei zusammengesetzten konvexen Funktionen in reellen linearen Räumen
29.11.2006 Prof. Dr. G. Kassay Well-posed equilibrium problems
15.11.2006 A. Moldovan On quasi relative interior constraint qualification in infinite dimensional spaces
08.11.2006 Dr. S.-M. Grad,
I. B. Hodrea,
E. R. Csetnek
Short lectures on current research
01.11.2006 A. Heinrich Entwicklung von Optimierungsstrategien zum automatischen Parametrisieren von Motorsteuergeräten [Defense of diploma thesis]
25.10.2006 Prof. Dr. G. Mastroeni Some topics in vector optimization via image space analysis
20.10.2006
at 11:30
Prof. Dr. A. Maugeri Infinite dimensional duality and applications
11.10.2006 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Report on the research trip to Pisa/Venice. Semester planning

SUMMER SEMESTER 2006
26.07.2006
at 09:15
A. Dumitru A new Fenchel dual problem in vector optimization
12.07.2006 S.-M. Grad New insights into conjugate duality
05.07.2006 A. Lkhamsuren A duality approach to gap functions for variational inequalities and equilibrium problems
28.06.2006 I.B. Hodrea
Optimality conditions for multiobjective optimization problems with composed convex functions
E.R. Csetnek A new condition for maximal monotonicity via representative functions
21.06.2006 A. Heinrich Bestimmung optimaler Parameter von Kennfeldern bei Motorsteuergeräten
14.06.2006 Dr. R.I. Boţ Brezis-Haraux-type approximation of the range of a monotone operator composed with a linear mapping
31.05.2006 S. Rösch Erweiterung des Mond-Weir-Dualitätskonzepts für konvexe Optimierungsaufgaben
24.05.2006 S. Hilbig Konstruktion von Schranken beim verallgemeinerten Weber Problem unter Ungewissheit
17.05.2006 N. Lorenz Deviation and risk measures (II)
Dr. R. I. Boţ On a constraint qualification for the maximality of monotone operators
10.05.2006 N. Lorenz Deviation and risk measures (II)
03.05.2006 W. Metzler Dualität in der Standortoptimierung
26.04.2006 I. Windrich Dualität in der Portfoliooptimierung
12.04.2006 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Semester planning

WINTER SEMESTER 2005/6
07.03.2006
at 11:00
Lect. Dr. N. Popovici Structure of efficient sets in multicriteria optimization
01.02.2006 E. R. Csetnek Fenchel duality in real linear spaces (II)
25.01.2006 E. R. Csetnek Fenchel duality in real linear spaces (I)
18.01.2006 W. Metzler Dualität in der Standortoptimierung
11.01.2006 I. Windrich Dualität in der Portfoliooptimierung
14.12.2005 Jielei Fan Conjugate functions for convex and nonconvex duality
07.12.2005 S. Sugiarto Principles of vector optimization and scalarization
30.11.2005 Participation of the working group at the PhD Students' Workshop at TU Freiberg
23.11.2005 S.-M. Grad Weaker constraint qualifications in maximal monotonicity
09.11.2005 A. Lkhamsuren On gap functions for equilibrium problems
I. B. Hodrea Farkas-type results for composed convex functions
02.11.2005 I. B. Hodrea Farkas-type results for fractional programming
26.10.2005 N. Lorenz Portfoliooptimierung und Stochastik (II)
19.10.2005 N. Lorenz Portfoliooptimierung und Stochastik (I)
12.10.2005 Prof. Dr. G. Wanka
Dr. R. I. Boţ
Semester planning

SUMMER SEMESTER 2005
10.08.2005
at 11.30
I. B. Hodrea Image space approach. Overwiev
13.07.2005 S.-M. Grad Maximal monotonicity for the precomposition with a linear operator
29.06.2005 P. Teichmann Convex Risk Measures for Portfolio Optimization and Concepts of Flexibility (II)
22.06.2005 J. Winkler Convex Risk Measures for Portfolio Optimization and Concepts of Flexibility (I)
08.06.2005 Dr. R. I. Boţ The conjugate of the pointwise maximum of two convex functions
01.06.2005 Prof. Dr. G. Wanka Conjugacy in Convex Analysis (II)
25.05.2005 Prof. Dr. G. Wanka Conjugacy in Convex Analysis (I)
11.05.2005 A. Lkhamsuren Variational principles for vector equilibrium problems related to the conjugate duality
27.04.2005 S.-M. Grad A weak constraint qualification in maximal monotonicity
13.04.2005 Members of the Working Group Short lectures on current research
06.04.2005 I. B. Hodrea An overview on the utility functions

WINTER SEMESTER 2004/5
02.02.2005 R. Scherf "Störungsansätze zur Konstruktion von Dualproblemen"
26.01.2005 A. Lkhamsuren "Conjugate duality in vector optimization and its applications to vector variational inequalities"
19.01.2005 Members of the Working Group Short lectures on current research
12.01.2005 S.-M. Grad "Another scalarization method in multiobjective optimization"
15.12.2004 Members of the Working Group Short lectures on current research
08.12.2004 R. Chares "Duality for fractional programming"
01.12.2004 I. B. Hodrea "New insights on Farkas-type results"
24.11.2004 Assoc. Prof. G. Kassay "On approximate equilibrium problems"
11.11.2004 E. T. Vargyas "Duality for convex composed programming problems"
10.11.2004 A. Lkhamsuren "On relations between the conjugate duality and gap functions for variational inequalities"
Prof. R. Enkhbat "The quasiconvex programming"
27.10.2004 Dr. R. I. Boţ "On new closed cone constraint qualification"
S.-M. Grad "Fenchel-Langrange versus geometric duality in convex optimization"
20.10.2004 Members of the Working Group Short lectures on current research
13.10.2004 Dr. R. I. Boţ "Fenchel's duality theorem for nearly convex functions"