Vorträge und Konferenzen [seit 1999]

2020

S. Bitterlich, E.R. Csetnek, G. Wanka - Proximal AMA, The 2020 annual meeting of the Deutsche Mathematiker-Vereinigung Chemnitz, 14.09-17.09.2020 (Vortragende: S. Bitterlich)

S. Bitterlich, R.I. Boţ, E.R. Csetnek, G. Wanka - Proximal AMA, 1st Workshop of the Research Group on Applied Mathematics with Emphasis on Optimization Wien, 19.02-21.02.2020 (Vortragende: S. Bitterlich)
 

2019

S. Bitterlich, R.I. Boţ, E.R. Csetnek, G. Wanka - The Proximal Alternating Minimization Algorithm, Games, Dynamics and Optimization (GDO 2019) Babes Bolyai University Cluj-Napoca, 9.04-11.04.2019 (Vortragender: G. Wanka)
 

2017

S. Bitterlich, R.I. Boţ - Proximal-AMA and application in image deblurring and denoising, Third Central European Set-Valued and Variational Analysis Meeting, Chemnitz, 25.11.2017 (Vortragende: S. Bitterlich)

S.-M. Grad, O. Wilfer - Proximal methods for solving nonlinear minimax location problems with perturbed minimal time functions via conjugate duality, Third Central European Set-Valued and Variational Analysis Meeting, Chemnitz, 25.11.2017 (Vortragender: O. Wilfer)

S.-M. Grad - A forward-backward method for solving vector optimization problems, 18th French - German - Italian Conference on Optimization, Paderborn, 25-28.09.2017 (Vortragender: S.-M. Grad)

S.-M. Grad - An inertial forward-backward method for solving vector optimization problems, CMO-BIRS Workshop Splitting Algorithms, Modern Operator Theory, and Applications, Oaxaka, Mexiko, 17-22.09.2017 (Vortragender: S.-M. Grad)

S.-M. Grad - A forward-backward method for solving vector optimization problems, International Conference on Operations Research - OR2017, Berlin, 05-08.09.2017 (Vortragender: S.-M. Grad)

G. Wanka, O. Wilfer - Solving minimax location problems via epigraphical projection II, International Symposium on Locational Decisions - ISOLDE XIV, Toronto/Hunstville, Kanada, 10-14.07.2017 (Vortragender: O. Wilfer)

G. Wanka, O. Wilfer - Solving minimax location problems via epigraphical projection I, International Symposium on Locational Decisions - ISOLDE XIV, Toronto/Hunstville, Kanada, 10-14.07.2017 (Vortragender: G. Wanka)

G. Wanka, O. Wilfer - Solving minimax location problems via epigraphical projection, DACH Mini Workshop "Advances in Nonsmooth Optimization", Universität Wien, Österreich, 29.06.2017 (Vortragender: G. Wanka)

S. Bitterlich - Smoothing algorithms for convex optimization problems, DACH Mini Workshop "Advances in Nonsmooth Optimization", Universität Wien, Österreich, 29.06.2017 (Vortragende: S. Bitterlich)

G. Wanka - Von der skalaren zur vektoriellen Dualität - Entwicklungslinien und Perspektiven, Minisymposium Vektoroptimierung, Erlangen, 23.06.2017 (Vortragender: G. Wanka)
 

2016

S.-M. Grad - Characterizations of minimality notions by means of quasi interior, Second Central European Set-Valued and Variational Analysis Meeting, Jena, 03.12.2016 (Vortragender: S.-M. Grad)

S.-M. Grad - An inertial proximal point method for vector optimization problems, Seminar Optimierung, Facultät für Mathematik, Universität Wien, Österreich, 01.12.2016 (Vortragender: S.-M. Grad)

S.-M. Grad - An inertial proximal point method for vector optimization problems, OR 2016 Konferenz, Hamburg, Deutschland, 30.08-02.09.2016 (Vortragender: S.-M. Grad)

S.-M. Grad - Closedness type regularity conditions in convex optimization and beyond, Sixth International Conference in Optimization Theory and its Applications - ALEL 2016, Cartagena, Spanien, 06-08.06.2016 (Vortragender: S.-M. Grad)

S.-M. Grad - About closedness type regularity conditions in convex optimization, International Conference on Bilevel Optimization and Related Topics in honor of Stephan Dempe's 60th birthday - ICBO16, Dresden, Deutschland, 04-06.05.2016 (Vortragender: S.-M. Grad)
 

2015

S.-M. Grad - An inertial proximal point method for vector optimization problems, Central European Set-Valued and Variational Analysis Meeting, Göttingen, Deutschland, 24.10.2015 (Vortragender: S.-M. Grad)

S.-M. Grad - An iterative method for solving vector optimization problems, EURO-XXVII Konferenz, Glasgow, Vereinigtes Königreich, 12.-15.07.2015 (Vortragender: S.-M. Grad)

S.-M. Grad - About closedness type regularity conditions in convex optimization, 13th EUROPT Workshop - Advances in Continuous Optimization, Edinburgh, Vereinigtes Königreich, 08.-10.07.2015 (Vortragender: S.-M. Grad)

O. Wilfer - Duality results for extended multifacility minimax location problems, Seminar Optimerung, Universität Wien, Österreich, 26.03.2015 (Vortragender: O. Wilfer)

O. Wilfer - Dualitätsaussagen für Erweiterte Minimax Standortprobleme, Workshop Optimierung, Ehrenfriedersdorf, Deutschland, 26-27.02.2015 (Vortragender: O. Wilfer)
 

2014

R.I. Boţ, S.-M. Grad, G. Wanka - Multiobjective duality for classical linear vector optimization problems revisited Hochschule für Technik, Wirtschaft und Kultur Leipzig, Deutschland, 18.03.2014 (Vortragender: S.-M. Grad)
 

2013

S.-M. Grad, E.L. Pop - Vector duality for convex vector optimization problems by means of the quasi interior of the ordering cone, International Conference on Operations Research - OR2013, Rotterdam, Niederlande, 03-06.09.2013 (Vortragender: S.-M. Grad)

R.I. Boţ, C. Hendrich - A Douglas-Rachford type primal-dual method for solving inclusions with mixtures of composite and parallel-sum type monotone operators, European Conference on Computational Optimization - EUCCO 2013, Chemnitz, Deutschland, 17-19.07.2013 (Vortragender: C. Hendrich)

R.I. Boţ S.-M. Grad - Approaching the Maximal Monotonicity of Bifunctions via Representative Functions, South Pacific Optimization Meeting - SPOM2013, Newcastle, Australien, 09-12.02.2013 (Vortragender: R.I. Boţ)

R.I. Boţ - Convex Analysis in Imaging, Optimization of Planet Earth Afternoon, Mathematics of Planet Earth 2013, Newcastle, Australien, 09-12.02.2013 (Vortragender: R.I. Boţ)
 

2012

R.I. Boţ - A Fenchel Duality-Based Double Smoothing Technique for Solving Convex Optimization Problems with Applications to Image Processing, Canberra Symposium on Regularisation Integrating Chemnitz Symposium on Inverse Problems on Tour, Canberra, Australien, 19-24.11.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Monotone Operatoren aus dem Blickwinkel der konvexen Optimierung, Universität Salzburg, Österreich, 06.11.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Eingeladener Vortrag: Auf Fenchel-Dualität basierende Regularisierungstechniken zur Lösung nichtdifferenzierbarer konvexer Optimierungsaufgaben mit Anwendungen in der Bildverarbeitung, Johannes Kepler Universität Linz, Österreich, 22.10.2012 (Vortragender: R.I. Boţ)

R.I. Boţ, S.-M. Grad - Approaching the maximal monotonicity of bifunctions via representative functions, The 21st International Symposium on Mathematical Programming - ISMP2012, Berlin, Deutschland, 19-24.08.2012 (Vortragender: R.I. Boţ)

R.I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector optimization duality revisited, The 21st International Symposium on Mathematical Programming - ISMP2012, Berlin, Deutschland, 19-24.08.2012 (Vortragender: S.-M. Grad)

R.I. Boţ, A. Heinrich, G. Wanka - The support vector machines approach via Fenchel-type duality, The 21st International Symposium on Mathematical Programming - ISMP2012, Berlin, Deutschland, 19-24.08.2012 (Vortragender: A. Heinrich)

R.I. Boţ, E.R. Csetnek - Conjugate duality and the control of linear discrete systems, The 21st International Symposium on Mathematical Programming - ISMP2012, Berlin, Deutschland, 19-24.08.2012 (Vortragender: E.R. Csetnek)

R.I. Boţ, C. Hendrich - A double smoothing technique for solving nondifferentiable convex optimization problems, The 21st International Symposium on Mathematical Programming - ISMP2012, Berlin, Deutschland, 19-24.08.2012 (Vortragender: C. Hendrich)

R.I. Boţ, S.-M. Grad, G. Wanka - Revisiting the classical linear vector optimization duality, The IX Brazilian Workshop on Continuous Optimization, Luis Correia - Piaui, Brasilien, 29.07-04.08.2012 (Vortragender: S.-M. Grad)

R.I. Boţ: Auf Fenchel-Dualität basierende doppelte Regularisierungstechniken zur Lösung nichtdifferenzierbarer konvexer Optimierungsaufgaben mit Anwendungen in der Bildverarbeitung, Forschungsseminar Algorithmische und Diskrete Mathematik, Fakultät für Mathematik, Technische Universität Chemnitz, Chemnitz, Deutschland, 27.06.2012 (Vortragender: R.I. Boţ)

R.I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector optimization duality revisited, Constructive Nonsmooth Analysis and Related Topics, St. Petersburg, Russland, 18-23.06.2012 (Vortragender: S.-M. Grad)

R.I. Boţ, S.-M. Grad - Approaching the maximal monotonicity of bifunctions via representative functions, Constructive Nonsmooth Analysis and Related Topics, St. Petersburg, Russland, 18-23.06.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Eingeladene Vorlesungsreihe: Convex analysis with applications in inverse problems, Institut für Numerische und Angewandte Mathematik, Georg-August-Universität Göttingen, Deutschland, 11-14.06.2102 (Vortragender: R.I. Boţ)

R.I. Boţ - Auf Fenchel-Dualität basierende doppelte Regularisierungstechniken zur Lösung nichtdifferenzierbarer konvexer Optimierungsaufgaben mit Anwendungen in der Bildverarbeitung, Universität zu Köln, Deutschland, 07.05.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Techniken der doppelten Regularisierung zur Lösung konvexer Optimierungsaufgaben mit Anwendung in der Bildverarbeitung, Universität Koblenz-Landau, Deutschland, 22.03.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Über die Implementierung von doppelten Regularisierungstechniken zur Lösung nichtdifferenzierbarer konvexer Optimierungsaufgaben, Universität Bremen, Deutschland, 31.01.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - Über die Implementierung von doppelten Regularisierungstechniken zur Lösung nichtdifferenzierbarer konvexer Optimierungsaufgaben, Ernst-Moritz-Arndt-Universität Greifswald, Deutschland, 27.01.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - A Fenchel Duality-Based Double Smoothing Technique for Solving Convex Optimization Problems,Kolloquium über Angewandte Mathematik, Institut für Numerische und Angewandte Mathematik, Georg-August Universität Göttingen, Deutschland, 24.01.2012 (Vortragender: R.I. Boţ)

G. Wanka - Dualität und Konjugation-Eckpfeiler der Konvexen Analysis, Runge-Herglotz-Seminar über Angewandte Analysis, Mathematisches Institut, Georg-August Universität Göttingen, Deutschland, 23.01.2012 (Vortragender: G. Wanka)

R.I. Boţ - A Double Smoothing Technique for Solving Convex Optimization Problems with Applications to Image Processing, Leopold-Franzens-Universität, Innsbruck, Austria, 12.01.2012 (Vortragender: R.I. Boţ)

R.I. Boţ - A Fenchel Duality-Based Approach for Solving Optimization Problems Arising in Supervised Learning, Konrad-Zuse-Zentrum für Informationstechnik, Berlin, Deutschland, 05.01.2012 (Vortragender: R.I. Boţ)
 

2011

R.I. Boţ - Monotone Operatoren aus dem Blickwinkel der konvexen Optimierung, Fakultät für Mathematik, Informatik und Naturwissenschaften, RWTH Aachen, Deutschland, 12. Dezember 2011 (Vortragender: R.I. Boţ)

G. Wanka - Duality for set-valued vector optimization, International Conference on Optimization, Theory, Algorithms and Applications in Economics, Centre de Recerca Matematica, Barcelona, Spanien, 24.-28. Oktober, 2011 (Vortragender: G. Wanka)

R.I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector duality revisited, International Conference on Optimization, Theory, Algorithms and Applications in Economics, Centre de Recerca Matematica, Barcelona, Spanien, 24.-28. Oktober, 2011 (Vortragender: S.-M. Grad)

R.I. Boţ, S.-M. Grad - Approaching the maximal monotonicity of bifunctions via representative functions, International Conference on Optimization, Theory, Algorithms and Applications in Economics, Centre de Recerca Matematica, Barcelona, Spanien, 24.-28. Oktober, 2011 (Vortragender: R.I. Boţ)

R.I. Boţ - A Fenchel duality-based approach for solving optimization problems arising in supervised learning, Applied Mathematics Seminar, University of New South Wales, Sydney, Australien, 22. September, 2011 (Vortragender: R.I. Boţ)

R.I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector duality revisited, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: S.-M. Grad)

R.I. Boţ, E.R. Csetnek - On a zero duality gap result in extended monotropic programming, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: E.R. Csetnek)

R.I. Boţ, A. Heinrich, G. Wanka - Employing different lossfunctions for the classification of images via supervised learning, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: A. Heinrich)

R.I. Boţ, E.R. Csetnek - Eror bounds results for convex inequality systems via conjugate duality, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: R.I. Boţ)

G. Wanka - Duality for set-valued vector optimization, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: G. Wanka)

G. Wanka - Conjugate duality in multiobjective optimization, IV International conference "Mathematics, Its Applications and Mathematical Education" (MAME'11) Ulan-Ude, Baikal, Russland, 27. Juni-1. Juli, 2011 (Vortragender: G. Wanka)

R. I. Boţ - Über die Rolle der Qualifikationsbedingungen bei der Herleitung von dualen Darstellungen für konvexe Risikomaße, Kolloquium des Instituts für Operations Research, Karlsruhe Institut of Technology, Karlsruhe, Deutschland, 20. Januar, 2011 (Vortragender: R. I. Boţ)
 

2010

R. I. Boţ, E. R. Csetnek - On a zero duality gap result in extended monotropic programming, International Conference on Advances in Optimization and Related Topics, Centre de Recerca Matematica, Barcelona, Spanien, 29. November - 3. Dezember, 2010 (Vortragender: R. I. Boţ)

R. I. Boţ - Conjugate duality in convex optimization and beyond, 7th International Conference on Applied Mathematics - ICAM7, Baia Mare, Rumänien, 1.-4. September, 2010 (Vortragender: R. I. Boţ)

G. Wanka - Duality for linear multiobjective optimization - classical versus new results, The International Conference on Optimization, Simulation and Control - COSC 2010, Ulaanbaatar, Mongolei, 25.-28. Juli, 2010 (Vortragender: G. Wanka)

G. Wanka - Conjugate duality in multiobjective optimization, 24th European Conference on Operational Research - EURO-XXIV, Lisbon, Portugal, 11.-14. Juli, 2010 (Vortragender: G. Wanka)

R. I. Boţ, S.-M. Grad - Duality for vector optimization problems via a general scalarization, 24th European Conference on Operational Research - EURO-XXIV, Lisbon, Portugal, 11.-14. Juli, 2010 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek - On a zero duality gap result in extended monotropic programming, 24th European Conference on Operational Research - EURO-XXIV, Lisbon, Portugal, 11.-14. Juli, 2010 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad - Closedness type regularity conditions for surjectivity results involving the sum of two maximal monotone operators, 8th EUROPT Workshop - Advances in Continuous Optimization, Aveiro, Portugal, 09.-10. Juli, 2010 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek - On the weak* closedness of the sum of the images of enlargements of two maximal monotone operators, 8th EUROPT Workshop - Advances in Continuous Optimization, Aveiro, Portugal, 09th-10th July, 2010 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector optimization duality revisited, 8th EUROPT Workshop - Advances in Continuous Optimization, Aveiro, Portugal, 09.-10. Juli, 2010 (Vortragender: G. Wanka)

R. I. Boţ, N. Lorenz, G. Wanka - Optimality conditions for portfolio optimization problems, 24th Mini EURO Conference on Continuous Optimization and Information-Based Technologies in The Financial Sector - 24th MEC EurOPT 2010, Izmir, Türkei, 23.-26. Juni, 2010 (Vortragende: N. Lorenz)

R. I. Boţ, S.-M. Grad - Lower semicontinuous type regularity conditions for subdifferential calculus , 24th Mini EURO Conference on Continuous Optimization and Information-Based Technologies in The Financial Sector - 24th MEC EurOPT 2010, Izmir, Türkei, 23.-26. Juni, 2010 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek - On a zero duality gap result in extended monotropic programming, 4th Workshop on Optimization and Variational Analysis, Elche, Spanien, 14.-16. Juni, 2010 (Poster: R. I. Boţ)

R. I. Boţ - On some quasi-relative interior-type qualification conditions in convex programming, Oberseminar Optimierung, Institut für Mathematik, Martin-Luther-Universität Halle-Wittenberg, 27. April, 2010 (Vortragender: R. I. Boţ)
 

bis 2009

R. I. Boţ - Konjugierte Dualität bei konvexen Optimierungsaufgaben und darüber hinaus, Forschungsseminar Partielle Differentialgleichungen und Inverse Probleme, Fakultät für Mathematik, Technische Universität Chemnitz, 4. December, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ - On Fenchel duality and some of its variants, 09w5006 Interdisciplinary Workshop on Fixed-Point Algorithms for Inverse Problems in Science and Engineering, Banff International Research Station for Mathematical Innovation and Discovery, Banff, Kanada, 1.-6. November, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ, E. R. Csetnek - An application of the bivariate inf-convolution formula to enlargements of monotone operators, OCANA Seminar Series, UBC Okanagan, Kelowna, Kanada, 29. Oktober, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ - Minimality via convex subdifferential calculus: the role of the regularity conditions, Chemnitz-RICAM-Symposium on Inverse Problems, Linz, Österreich, 14.-15. Juli, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - A general approach for studying duality in multiobjective optimization, 23rd European Conference on Operational Research - EUROXXIII, Bonn, Deutschland, 5.-8. Juli, 2009 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, A. Löhne - On two variants of Fenchel duality: stable and totally unstable duality, 23rd European Conference on Operational Research - EUROXXIII, Bonn, Deutschland, 5.-8. Juli, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad - Regularity conditions for formulae of biconjugate functions, 7th EUROPT Workshop - Advances in Continuous Optimization, Remagen, Deutschland, 3.-4. Juli, 2009 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, A. Moldovan - Regularity conditions via quasi-relative interior for Fenchel and Lagrange duality in convex programming, 7th EUROPT Workshop - Advances in Continuous Optimization, Remagen, Deutschland, 3.-4. Juli, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ - Recent achievements and challenges regarding conjugate duality in convex optimization, Fakultät für Mathematik und Informatik der "Babeş - Bolyai" Universität Cluj-Napoca, Cluj-Napoca, Rumänien, 25. Juni, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Generalized Moreau-Rockafellar results for composed convex functions, The Sixth International Conference on Nonlinear Analysis and Convex Analysis - NACA2009, Tokyo, Japan, 27.-31. März, 2009 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, A. Löhne - On totally Fenchel unstable functions, The Sixth International Conference on Nonlinear Analysis and Convex Analysis - NACA2009, Tokyo, Japan, 27.-31. März, 2009 (Vortragender: R. I. Boţ)

R. I. Boţ, A. Heinrich, N. Lorenz - Conjugate duality in convex optimization: Theoretical aspects and some applications in machine learning, Dipartimento di Informatica e Scienze dell'Informazione, Universität Genua, Genua, Italien, 23. September, 2008 (Vortragender: R. I. Boţ)

R. I. Boţ, E. R. Csetnek - The quasi-relative interior in convex programming: regularity conditions and duality theorems, Fifth World Congress of Nonlinear Analysts - WCNA 2008, Orlando, USA, 2.-9. Juli, 2008 (Vortragender: R. I. Boţ)

G. Wanka - Conjugate duality in vector optimization, Fifth World Congress of Nonlinear Analysts - WCNA 2008, Orlando, USA, 2.-9. Juli, 2008 (Vortragender: G. Wanka)

G. Wanka - Duality for multiobjective location problems, 11th International Symposium on Locational Decisions - ISOLDE XI, Santa Barbara, USA, 26. Juni - 1. Juli, 2008 (Vortragender: G. Wanka)

R. I. Boţ, E. R. Csetnek - An application of the bivariate inf-convolution to enlargements of monotone operators, International School of Mathematics "Guido Stampacchia", 48th Workshop: Nonsmooth Analysis Optimization and Applications, Erice, Italien, 9.-17. Mai, 2008 (Vortragender: E. R. Csetnek)

R. I. Boţ, E. R. Csetnek, A. Löhne - On two open problems regarding totally Fenchel unstable functions, International School of Mathematics "Guido Stampacchia", 48th Workshop: Nonsmooth Analysis Optimization and Applications, Erice, Italien, 9.-17. Mai, 2008 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Generalized Moreau-Rockafellar results for composed convex functions, International School of Mathematics "Guido Stampacchia", 48th Workshop: Nonsmooth Analysis Optimization and Applications, Erice, Italien, 9.-17. Mai, 2008 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, A. Löhne, S. Simons - On two open problems regarding totally Fenchel unstable functions, Dipartimento di Matematica Applicata U.Dini, Universität Pisa, Pisa, Italien, 24. Januar, 2008 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Closedness type and subdifferential regularity conditions for conjugate duality in infinite dimensional spaces, Dipartimento di Matematica Applicata U.Dini, Universität Pisa, Pisa, Italien, 24. Januar, 2008 (Vortragender: G. Wanka)

R. I. Boţ, N. Lorenz, G. Wanka - Chance-constrained optimization problems and applications, Workshop "Stochastische Analysis" 2007, Eibenstock, Deutschland, 4.- 6. Oktober, 2007 (Vortragende: N. Lorenz)

R. I. Boţ, S.-M. Grad, G. Wanka - Regularity conditions for Fenchel-Lagrange duality in infinite dimensional spaces, International Conference on Continuous Optimization - Modelling and Optimization: Theory and Applications 2007 - ICCOPT 07-MOPTA 07, McMaster University, Hamilton, Ontario, Kanada, 13.-16. August, 2007 (Vortragender: G. Wanka)

R. I. Boţ, E. R. Csetnek, G. Wanka - A new condition for maximal monotonicity via representative functions, International Conference on Continuous Optimization - Modelling and Optimization: Theory and Applications 2007 - ICCOPT 07-MOPTA 07, McMaster University, Hamilton, Ontario, Kanada, 13.-16. August, 2007 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - New regularity conditions for Lagrange and Fenchel-Lagrange duality in infinite dimensional spaces, The Second International Conference on Optimization and Optimal Control - COOC 2007, Ulan-Bator, Mongolei, 17.-20. Juli, 2007 (Vortragender: G. Wanka)

R. I. Boţ - Closedness type regularity conditions in convex optimization, 6th Congress of Romanian Mathematicians, Bukarest, Rumänien, 28. Juni - 4. Juli, 2007 (Vortragender: R. I. Boţ)

R. I. Boţ, E. R. Csetnek, G. Wanka - Regularity conditions via quasi-relative interior in convex programming, NACA 2007: The Fifth International Conference on Nonlinear Analysis and Convex Analysis, National Tsing-Hua University, Hsinchu, Taiwan, 31. Mai-4. Juni, 2007 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Fenchel-Lagrange duality in infinite dimensional spaces, NACA 2007: The Fifth International Conference on Nonlinear Analysis and Convex Analysis, National Tsing-Hua University, Hsinchu, Taiwan, 31. Mai-4. Juni, 2007 (Vortragender: G. Wanka)

R. I. Boţ, S.-M. Grad, G. Wanka - On strong and total Lagrange duality for convex optimization problems, NACA 2007: The Fifth International Conference on Nonlinear Analysis and Convex Analysis, National Tsing-Hua University, Hsinchu, Taiwan, 31. Mai-4. Juni, 2007 (Vortragender: S.-M. Grad)

R. I. Boţ, S.-M. Grad, G. Wanka - A new framework for studying duality in multiobjective optimization, CODE 2007: Conference de la SMAI sur l'Optimisation et la Decision, Institut "Henri Poincare", Paris, Frankreich, 18.-20. April, 2007 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, G. Wanka - Sequential optimality conditions in convex programming via perturbation approach, CODE 2007: Conference de la SMAI sur l'Optimisation et la Decision, Institut "Henri Poincare", Paris, Frankreich, 18.-20. April, 2007 (Vortragender: R. I. Boţ)

R. I. Boţ, G. Wanka, I. B. Hodrea - Farkas-Type Results with Conjugate Functions, Seminario Mario Volpato, Department of Applied Mathematics, Universität Ca' Foscari, Venedig, Italien, 28. September, 2006 (Vortragender: G. Wanka)

R. I. Boţ, G. Wanka, S.-M. Grad - A New Regularity Condition for Subdifferential Calculus and Fenchel Duality in Infinite Dimensional Spaces. Applications for Maximal Monotone Operators, Seminario Mario Volpato, Department of Applied Mathematics, Universität Ca' Foscari, Venedig, Italien, 28. September, 2006 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - A New Framework for Studying Duality in Multiobjective Optimization, GREQAM Summer School Rationality, Social Learning and Complexity, Aix-en Provence, Frankreich, 25.-29. September, 2006 (Vortragender: S.-M. Grad)

R. I. Boţ, E. R. Csetnek, G. Wanka - A New Condition for Maximal Monotonicity via Representative Functions, GREQAM Summer School Rationality, Social Learning and Complexity, Aix-en Provence, Frankreich, 25.-29. September, 2006 (Vortragender: E. R. Csetnek)

R. I. Boţ, G. Wanka, S.-M. Grad - A New Regularity Condition for Subdifferential Calculus and Fenchel Duality in Infinite Dimensional Spaces, Department of Mathematics, Universität Pisa, Pisa, Italien, 22. September, 2006 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ, S.-M. Grad - Almost and Nearly Convex Functions: Conjugacy and Duality, Department of Mathematics, Universität Pisa, Pisa, Italien, 22. September, 2006 (Vortragender: G. Wanka)

R. I. Boţ, S.-M. Grad, G. Wanka - Conjugacy and Fenchel Duality for Almost Convex and Nearly Convex Functions, International Conference on Applied Analysis and Differential Equations, Iaşi, Rumänien, 4.-9. September, 2006 (Vortragender: S.-M. Grad)

R. I. Boţ, I. B. Hodrea, G. Wanka - Farkas-Type Results for Fractional Programming Problems, International Conference on Applied Analysis and Differential Equations, Iaşi, Rumänien, 4.-9. September, 2006 (Poster: I. B. Hodrea)

R. I. Boţ, E. R. Csetnek, G. Wanka - Some New Regularity Conditions for Fenchel Duality in Real Linear Spaces, International Conference on Applied Analysis and Differential Equations, Iaşi, Rumänien, 4.-9. September, 2006 (Poster: E. R. Csetnek)

R. I. Boţ, S.-M. Grad, G. Wanka - Brezis-Haraux-Type Approximation of the Range of a Monotone Operator Composed with a Linear Mapping, International Conference on Applied Analysis and Differential Equations, Iaşi, Rumänien, 4.-9. September, 2006 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Brezis-Haraux-type approximation of the range of a monotone operator composed with a linear mapping, INTAS Summer School - Nonlinear analysis with applications in Economics, Energy and Transportation, Bergamo, Italien, 5.-9. Juni, 2006 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Maximal monotonicity for the precomposition with a linear operator, International Conference on Mathematics of Optimization and Decision Making, University Antilles-Guyane, Guadeloupe, Frankreich, 18.-21. April, 2006 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - New regularity conditions for Lagrange and Fenchel-Lagrange duality in infinite dimensional spaces, International Conference on Mathematics of Optimization and Decision Making, University Antilles-Guyane, Guadeloupe, Frankreich, 18.-21. April, 2006 (Vortragender: S.-M. Grad)

R. I. Boţ, S.-M. Grad, G. Wanka - Almost and nearly convex functions: conjugacy and duality, 8th International Conference on Approximation and Optimization in The Caribbean, Santo Domingo, Dominikanische Republik, 3.-7. April, 2006 (Vortragender: G. Wanka)

R. I. Boţ, G. Wanka - Farkas-type results for max-functions, 7th International Conference on Operations Research, Havanna, Kuba, 27.-31. März, 2006 (Vortragender: G. Wanka)

R. I. Boţ, S.-M. Grad, G. Wanka - Weaker constraint qualifications in maximal monotonicity, Workshop von Promovenden auf dem Gebiet der mathematischen Optimierung, Freiberg, Deutschland, 30. November, 2005 (Vortragender: S.-M. Grad)

R. I. Boţ, I. B. Hodrea, G. Wanka - Farkas-type results for composed convex functions, Workshop von Promovenden auf dem Gebiet der mathematischen Optimierung, Freiberg, Deutschland, 30. November, 2005 (Vortragender: I. B. Hodrea)

R. I. Boţ, A. Lkhamsuren, G. Wanka - On gap functions for equilibrium problems, Workshop von Promovenden auf dem Gebiet der mathematischen Optimierung, Freiberg, Deutschland, 30. November, 2005 (Vortragender: A. Lkhamsuren)

R. I. Boţ, G. Wanka - Farkas-type Results with Conjugate Functions, International Conference in Memoriam Gyula Farkas, Cluj-Napoca, Rumänien, 23.-26. August, 2005 (Vortragender: G. Wanka)

R. I. Boţ, S.-M. Grad, G. Wanka - Conjugate Duality for Composed Convex Optimization Problems with a New Constraint Qualification, International Conference in Memoriam Gyula Farkas, Cluj-Napoca, Rumänien, 23.-26. August, 2005 (Vortragender: S.-M. Grad)

R. I. Boţ, G. Wanka - A Weak Regularity Condition for Subdifferential Calculus and Fenchel Duality in Infinite Dimensional Spaces, International Conference in Memoriam Gyula Farkas, Cluj-Napoca, Rumänien, 23.-26. August, 2005 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - A New Constraint Qualification for the Formula of the Conjugate of Composed Functions in Infinite Dimensional Spaces, 8th International Symposium on Generalized Convexity and Generalized Monotonicity, Varese, Italien, 4.-8. Juli, 2005 (Vortragender: R. I. Boţ)

R. I. Boţ, G. Kassay, G. Wanka - Strong Duality for Generalized Convex Optimization Problems, 8th International Symposium on Generalized Convexity and Generalized Monotonicity, Varese, Italien, 4.-8. Juli, 2005 (Vortragender: G. Wanka)

R. I. Boţ, G. Wanka - On a New Closed Cone Constraint Qualification, Forschungsseminar des Lehrstuhls für Analysis und Optimierung, Fakultät für Mathematik und Informatik der "Babeş - Bolyai" Universität Cluj-Napoca, Cluj-Napoca, Rumänien, 4. November, 2004 (Vortragender: R. I. Boţ)

R. I. Boţ, S.-M. Grad, G. Wanka - Fenchel-Lagrange versus Geometric Duality in Convex Optimization, Forschungsseminar des Lehrstuhls für Analysis und Optimierung, Fakultät für Mathematik und Informatik der "Babeş - Bolyai" Universität Cluj-Napoca, Cluj-Napoca, Rumänien, 4. November, 2004 (Vortragender: S.-M. Grad)

R. I. Boţ, S.-M. Grad, G. Wanka - Farkas-Type Results with Conjugate Functions, 12th French-German-Spanish Conference on Optimization, Avignon, Frankreich, 20.-24. September, 2004 (Poster: S.-M. Grad)

R. I. Boţ, S.-M. Grad, G. Wanka - Fenchel-Lagrange versus Geometric Duality in Convex Optimization , 12th French-German-Spanish Conference on Optimization, Avignon, Frankreich, 20.-24. September, 2004 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ, S.-M. Grad - Multiobjective Semidefinite Programming Duality, International Congress of Mathematicians, Peking, China, 20.-28. August, 2002 (Vortragender: G. Wanka)

G. Wanka, R. I. Boţ - An Analysis of Dual Problems in Multiobjective Optimization , International Conference on Optimization and Optimal Control, Ulan-Bator, Mongolei, 13.-17. August, 2002 (Vortragender: G. Wanka)

R. I. Boţ, G. Wanka - An Analysis of Dual Problems in Multiobjective Optimization (II), IV Brasilian Workshop on Continuous Optimization, Rio de Janeiro, Brasilien, 15.-20. Juli, 2002 (Vortragender: R. I. Boţ)

R. I. Boţ, G. Wanka - An Analysis of Dual Problems in Multiobjective Optimization (I), IV Brasilian Workshop on Continuous Optimization, Rio de Janeiro, Brasilien, 15.-20. Juli, 2002 (Vortragender: G. Wanka)

G. Wanka, R. I. Boţ, S.-M. Grad - Duality for Multiobjective Convex Semidefinite Programming Problems, Kollegseminar im Graduiertenkolleg GKAAM, München, Deutschland, 13. Mai, 2002 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ - Duality for the Location Model Involving Sets as Existing Facilities, 12. Workshop der GOR-Arbeitsgruppe "Entscheidungstheorie und -praxis", Hohenheim, Deutschland, 21.-23. März, 2002 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ, S.-M. Grad - Duality for Multiobjective Convex Semidefinite Programming Problems, 12. Workshop der GOR-Arbeitsgruppe "Entscheidungstheorie und -praxis", Hohenheim, Deutschland, 21.-23. März, 2002 (Vortragender: G. Wanka)

R. I. Boţ - An Application of the Theory of Duality for Support Vector Machines, Stipendiatentreffen der "Gottlieb Daimler- und Karl Benz-Stiftung", Willebadessen, Deutschland, 14.-16. September, 2001 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ - On the Relations between Different Dual Problems in Convex Optimization, Operations Research 2001, Duisburg, Deutschland, 3.-5. September, 2001 (Vortragender: G. Wanka)

R. I. Boţ, G. Wanka - A New Duality Approach for Convex Optimization Problems, Optimization 2001, Aveiro, Portugal, 23.-25. Juli, 2001 (Vortragender: R. I. Boţ)

R. I. Boţ, G. Wanka - A New Duality Approach for Multiobjective Convex Optimization Problems, Workshop sächsischer Promovenden in Optimierung Freiberg, Deutschland, 17. Juli, 2001 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţt - Different Dual Problems in Convex Optimization, 11. Workshop der GOR-Arbeitsgruppe "Entscheidungstheorie und -praxis", Kloster Banz, Deutschland, 7.-10. März, 2001 (Vortragender: G. Wanka)

G. Wanka, R. I. Boţ - Multiobjective Duality for Convex Ratios, 10. Workshop der GOR-Arbeitsgruppe "Entscheidungstheorie und -praxis", Seeheim, Deutschland, 16.-18. März, 2000 (Vortragender: R. I. Boţ)

G. Wanka, R. I. Boţ - Multiobjective Duality for Convex-Linear Problems, Operations Research 1999, Magdeburg, Deutschland, 1.-3. September, 1999 (Vortragender: G. Wanka)

G. Wanka, R. I. Boţ - Duality for Convex Optimization, 9. Workshop der GOR-Arbeitsgruppe "Entscheidungstheorie und -praxis", Chemnitz, Deutschland, 3.-5. März, 1999 (Vortragender: G. Wanka)
 

Konferenzvorträge mit Mitglieder unserer Forschungsgruppe als Koautoren

E.L. Pop, S.-M. Grad - Weak minimality by means of the quasi-interior of the ordering cone, The Fourteenth International Conference on Applied Mathematics and Computer Science, Cluj-Napoca, Rumänien, 29-31.08.2013 (Vortragende: E.L. Pop, "Babeş-Bolyai" University Cluj-Napoca)

E.L. Pop, S.-M. Grad - Alternative generalized Wolfe type and Mond-Weir type vector duality, The 25^th European Conference on Operational Research - EURO-2012, Vilnius, Litauen, 08-11.07.2012 (Vortragende: E.L. Pop, "Babeş-Bolyai" University Cluj-Napoca)

L. Cioban, E.R. Csetnek - Revisiting the construction of gap functions for variational inequalities via conjugate duality, The 25^th European Conference on Operational Research - EURO-2012, Vilnius, Litauen, 08-11.07.2012 (Vortragende: L. Cioban, "Babeş-Bolyai" University Cluj-Napoca)

E.L. Pop, S.-M. Grad - Comparing the optimality conditions obtained for a constrained vector optimization problem via different scalarizations, The 10^th EUROPT Workshop on Advances in Continuous Optimization, Siauliai, Litauen, 05-07.07.2012 (Vortragende: E.L. Pop, "Babeş-Bolyai" University Cluj-Napoca)

L. Cioban, E.R. Csetnek - Revisiting the Construction of Gap Functions for Equilibrium Problems via Conjugate Duality, The 10^th EUROPT Workshop on Advances in Continuous Optimization, Siauliai, Litauen, 05-07.07.2012 (Vortragende: L. Cioban, "Babeş-Bolyai" University Cluj-Napoca)

L. Cioban, E.R. Csetnek - Sequential optimality conditions for variational inequalities, 10th International Seminar on Approximation Theory and its Applications, Sibiu, Rumänien, 24.-27. Mai, 2012 (Vortragende: L. Cioban, "Babeş-Bolyai" University Cluj-Napoca)

E.L. Pop, S.-M. Grad - New Wolfe and Mond-Weir type vector duality, 10th International Seminar on Approximation Theory and its Applications, Sibiu, Rumänien, 24.-27. Mai, 2012 (Vortragende: E.L. Pop, "Babeş-Bolyai" University Cluj-Napoca)

H.V. Boncea, S.-M. Grad - Characterizations for ε-duality gap statements for constrained convex optimization problems, 10th International Seminar on Approximation Theory and its Applications, Sibiu, Rumänien, 24.-27. Mai, 2012 (Vortragender: H.V. Boncea, "Babeş-Bolyai" University Cluj-Napoca)

L. Cioban, E.R. Csetnek - Duality for ε-variational inequalities via the subdifferential calculus, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragender: L. Cioban, "Babeş-Bolyai" University Cluj-Napoca)

D.M. Nechita, R.I. Boţ - Looking for exact calculus rules for the Dini-Hadamard subdifferential, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragende: D. M. Nechita, "Babeş-Bolyai" University Cluj-Napoca)

A.R. Baias, R.I. Boţ - Subdifferential formulae for convex risk functions, 10th International Symposium on Generalized Convexity and Monotonicity - GCM10, Cluj-Napoca, Rumänien, 22.-27. August, 2011 (Vortragende: A.R. Baias, "Babeş-Bolyai" University Cluj-Napoca)

R. I. Boţ, D. M. Nechita - The Dini-Hadamard subdifferential: optimality conditions for d.c. programming, 7th International Conference on Applied Mathematics - ICAM7, Baia Mare, Rumänien, 1.-4. September, 2010 (Vortragende: D. M. Nechita, "Babeş-Bolyai" Universität Cluj-Napoca)

R. I. Boţ, A.R. Baias - Dual representations of monotone and cash-invariant hulls for convex risk measures, 7th International Conference on Applied Mathematics - ICAM7, Baia Mare, Rumänien, 1.-4. September, 2010 (Vortragende: A.R. Baias, "Babeş-Bolyai" Universität Cluj-Napoca)

R. I. Boţ, A. R. Baias - Subdifferential formulae for convex risk measures, The Thirteenth International Conference of Applied Mathematics and Computer Science, Cluj-Napoca, Rumänien, 26.-28. August, 2010 (Vortragende: A.R. Baias, "Babeş-Bolyai" Universität Cluj-Napoca)

R. I. Boţ, D. M. Nechita - On an extension of the Dini-Hadamard subdifferential of the difference of two functions and local minimization, The Thirteenth International Conference of Applied Mathematics and Computer Science, Cluj-Napoca, Rumänien, 26.-28. August, 2010 (Vortragende: D. M. Nechita, "Babeş-Bolyai" Universität Cluj-Napoca)

R. I. Boţ, A. E. Capătă - Existence results and gap functions for the generalized equilibrium problem with composed functions, A XIII-a conferinţă anuală a Societăţii de Ştiinţe Matematice din România, Beiuş, Rumänien, 1.-3. Mai, 2009 (Vortragende: A. E. Capătă, "Babeş-Bolyai" Universität Cluj-Napoca)

L. Altangerel, R. I. Boţ, G. Wanka - Variational principles for vector equilibrium problems via conjugate duality , The Second International Conference on Nonlinear Programming with Applications, Peking, China, 7.-9. April, 2008 (Vortragender: L. Altangerel, National University of Mongolia)

L. Altangerel, R. I. Boţ, G. Wanka - Conjugate duality for vector optimization with applications to the vector variational inequality, The Second International Conference on Optimization and Optimal Control - COOC 2007, Ulan-Bator, Mongolei, 17.-20. Juli, 2007 (Vortragender: L. Altangerel, National University of Mongolia)

R. I. Boţ, R. Chares, G. Wanka - Duality for multiobjective fractional optimization problems, 20th ORBEL Conference on Quantitative Methods for Decision Making, Gent, Belgien, 19.-20. Januar, 2006 (Vortragender: R. Chares, Universite Catholique de Louvain)