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Professur Angewandte Mathematik (Approximationstheorie)
Preprints

Preprints

[seit 1997]

arXiv:1806.00260 S. Bitterlich, R.I. Boţ, E.R. Csetnek, G. Wanka - The Proximal Alternating Minimization Algorithm for two-block separable convex optimization problems with linear constraints

2017-05 G. Wanka, O. Wilfer - Formulae of Epigraphical Projection for Solving Minimax Location Problems

2016-06 G. Wanka, O. Wilfer - Multifacility minimax location problems via multi-composed optimization

2016-05 G. Wanka, O. Wilfer - Duality results for extended multifacility location problems

2016-04 S.-M. Grad, G. Wanka, O. Wilfer - Duality and epsilon-optimality conditions for multi-composed optimization problems with applications to fractional and entropy optimization

2016-02 G. Wanka, O. Wilfer - Duality results for nonlinear single minimax location problems via multi-composed optimization

2015-13 G. Wanka, O. Wilfer - A Lagrange duality approach for multi-composed optimization problems

arXiv:1403.3330 R.I. Boţ, E.R. Csetnek, C. Hendrich - Inertial Douglas-Rachford splitting for monotone inclusion problems

arXiv:1306.3191 R.I. Boţ, C. Hendrich - An algorithm for solving monotone inclusions involving parallel sums of linearly composed maximally monotone operators

arXiv:1306.0352 R.I. Boţ, E.R. Csetnek - Forward-Backward and Tseng's Type Penalty Schemes for Monotone Inclusion Problems

arXiv:1304.7694 R.I. Boţ, C. Hendrich - Convex risk minimization via proximal splitting methods

2013-06 R.I. Boţ, E.R. Csetnek, E. Nagy - Solving systems of monotone inclusions via primal-dual splitting techniques

arXiv:1303.2875 R.I. Boţ, E.R. Csetnek, A. Heinrich - On the convergence rate improvement of a primal-dual splitting algorithm for solving monotone inclusion problems

2013-01 R.I. Boţ, B. Hofmann - The impact of a curious type of smoothness conditions on convergence rates in l1-regularization

arXiv:1212.0326 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

arXiv:1211.1706 R.I. Boţ, C. Hendrich - Convergence analysis for a primal-dual monotone + skew splitting algorithm with applications to total variation minimization

arXiv:1207.3254 R.I. Boţ, C. Hendrich - A variable smoothing algorithm for solving convex optimization problems

2012-17 S.-M. Grad, E.L. Pop - Vector duality for convex vector optimization problems with respect to quasi-minimality

2012-16 S.-M. Grad, E.L. Pop - Alternative generalized Wolfe type and Mond-Weir type vector duality

2012-15 H.-V. Boncea, S.-M. Grad - Characterizations of ε-duality gap statements for composed optimization problems

2012-14 H.-V. Boncea, S.-M. Grad - Characterizations of ε-duality gap statements for constrained optimization problems

arXiv:1206.5953 R.I. Boţ, E.R. Csetnek, A. Heinrich - A primal-dual splitting algorithm for finding zeros of sums of maximally monotone operators

arXiv:1205.0721 R.I. Boţ, C. Hendrich - On the acceleration of the double smoothing technique for unconstrained convex optimization problems

arXiv:1203.2070 R.I. Boţ, C. Hendrich - A double smoothing technique for solving unconstrained nondifferentiable convex optimization problems

2012-01 N. Lorenz, G. Wanka - The subdifferential of convex deviation measures and risk functions

arXiv:1110.4877 H.H. Bauschke, R.I. Boţ, W.L. Hare, W.M. Moursi - Attouch-Théra duality revisited: paramonotonicity and operator splitting

2011-18 L. Altangerel, G. Wanka, O. Wilfer - An oriented distance function application to gap functions for vector variational inequalities

2011-17 R.I. Boţ, B. Hofmann, P. Mathé - Regularizability of ill-posed problems and the modulus of continuity

2011-15 R.I. Boţ, A. Heinrich; G. Wanka - Employing different loss functions for the classification of images via supervised learning

2011-14 R.I. Boţ, T. Hein - Iterative regularization with general penalty term - theory and application to L1- and TV-regularization

arXiv:1106.2069 R.I. Boţ, S.C. László - On the generalized parallel sum of two maximal monotone operators of Gossez type (D)

arXiv:1105.5550 R.I. Boţ, S.-M. Grad - Approaching the maximal monotonicity of bifunctions via representative functions

2011-01 N. Lorenz, G. Wanka - Scalar and vector optimization with composed objective functions and constraints

arXiv:1007.3652 R.I. Boţ, S.-M. Grad - Closedness type regularity conditions for surjectivity results involving the sum of two maximal monotone operators

arXiv:1007.1776 R.I. Boţ, E.R. Csetnek - Error bound results for convex inequality systems via conjugate duality

arXiv:1005.2487 R.I. Boţ, A.-R. Frătean - Looking for appropriate qualification conditions for subdifferential formulae and dual representations for convex risk measures

arXiv:1005.1151 R.I. Boţ, S.-M. Grad, G. Wanka - Classical linear vector optimization duality revisited

arXiv:1004.3136 R.I. Boţ, D.-M. Nechita - On the Dini-Hadamard subdifferential of the difference of two functions

arXiv:1002.3272 R.I. Boţ, E.R. Csetnek - On a zero duality gap result in extended monotropic programming

arXiv:0912.0609 R.I. Boţ, E.R. Csetnek - On extension results for n-cyclically monotone operators in reflexive Banach spaces

arXiv:0906.0453 R.I. Boţ, B. Hofmann - An extension of the variational inequality approach for nonlinear ill-posed problems

arXiv:0906.5093 R.I. Boţ, E.R. Csetnek - Regularity conditions via generalized interiority notions in convex optimization: new achievements and their relation to some classical statements

arXiv:0811.4341 R.I. Boţ, E.R. Csetnek - Enlargements of positive sets

2008-08 N. Lorenz - Optimization problems in statistical learning: duality and optimality conditions

2008-03 R.I. Boţ, E.R. Csetnek - Weak regularity conditions for maximal monotonicity in general Banach spaces

2008-02 R.I. Boţ, E.R. Csetnek - On an open problem regarding totally Fenchel unstable functions

2008-01 R.I. Boţ, A. Löhne - On totally Fenchel unstable functions in finite dimensional spaces, Reports on Optimization and Stochastics, Martin-Luther-Universität Halle-Wittenberg

2007-26 L. Altangerel, G. Wanka - Gap functions for vector equilibrium problems via conjugate duality

2007-22 R.I. Boţ, A. Grad, G. Wanka - Sequential characterization of some efficient solutions in vector optimization

2007-16 R.I. Boţ, S.-M. Grad, G. Wanka - Generalized Moreau-Rockafellar results for composed convex functions

2007-15 R.I. Boţ, I.B. Hodrea, G. Wanka - ε-optimality conditions for composed convex optimization problems

2007-14 R.I. Boţ, N. Lorenz, G. Wanka - Chance-constrained optimization problems and applications

2007-12 R.I. Boţ, E.R. Csetnek, G. Wanka - Sequential optimality conditions for composed convex optimization problems

2007-09 R.I. Boţ, S.-M. Grad, G. Wanka - New regularity conditions for strong and total Fenchel-Lagrange duality in infinite dimensional spaces

2007-08 R.I. Boţ, E.R. Csetnek, G. Wanka - Regularity conditions via quasi-relative interior in convex programming

2007-06 R.I. Boţ, G. Kassay G. Wanka - Duality for almost convex optimization problems via the perturbation approach

2007-04 R.I. Boţ, N. Lorenz, G. Wanka - Optimality conditions for portfolio optimization problems with convex deviation measures as objective functions

2007-03 R.I. Boţ, S.-M. Grad, G. Wanka - New regularity conditions for strong and total Lagrange duality

2006-23 R.I. Boţ, E.R. Csetnek, G. Wanka - Sequential optimality conditions in convex programming via perturbation approach

2006-21 R.I. Boţ, I.B. Hodrea, G. Wanka - Optimality conditions for weak efficiency to vector optimization problems with composed convex functions

2006-19 R.I. Boţ, N. Lorenz, G. Wanka - Some formulas for the conjugate of convex risk measures

2006-18 R.I. Boţ, A. Dumitru, G. Wanka - A new Fenchel dual problem in vector optimization

2006-14 R.I. Boţ, R. Chares, G. Wanka - Comparison between different duals in multiobjective fractional programming

2006-13 R.I. Boţ, S.-M. Grad, G. Wanka - New regularity conditions for Lagrange and Fenchel-Lagrange duality in infinite dimensional spaces

2006-12 R.I. Boţ, R. Chares, G. Wanka - Duality for multiobjective fractional programming problems

2006-11 R.I. Boţ, I.B. Hodrea, G. Wanka - Farkas-type results for fractional programming problems

2006-08 R.I. Boţ, E.R. Csetnek, G. Wanka - Some new regularity conditions for Fenchel duality in real linear spaces

2006-07 R.I. Boţ, E.R. Csetnek, G. Wanka - On some abstract convexity notions in real linear spaces

2006-04 L. Altangerel, R.I. Boţ, G. Wanka - Conjugate duality in vector optimization and some applications to the vector variational inequality

2006-03 L. Altangerel, R.I. Boţ, G. Wanka - Variational principles for vector equilibrium problems related to conjugate duality

2005-15 R.I. Boţ, S.-M. Grad, G. Wanka - Almost convex functions: conjugacy and duality

2005-14 R.I. Boţ, S.-M. Grad, G. Wanka - Weaker constraint qualifications in maximal monotonicity

2005-13 R.I. Boţ, S.-M. Grad, G. Wanka - Fenchel's duality theorem for nearly convex functions

2005-11 R.I. Boţ, S.-M. Grad, G. Wanka - A new constraint qualification for the formula of the subdifferential of composed convex functions in infinite diminesional spaces

2005-10 R.I. Boţ, S.-M. Grad, G. Wanka - Maximal monotonicity for the precomposition with a linear operator

2005-08 L. Altangerel, R.I. Boţ, G. Wanka - On gap functions for equilibrium problems

2005-07 R.I. Boţ, I.B. Hodrea, G. Wanka - Farkas-type results for inequality systems with composed convex functions via conjugate duality

2005-04 R.I. Boţ, I.B. Hodrea, G. Wanka - Some new Farkas-type results for inequality systems with DC functions

2005-02 R.I. Boţ, S.-M. Grad, G. Wanka - Fenchel-Lagrange versus geometric duality in convex optimization

2005-01 L. Altangerel, R.I. Boţ, G. Wanka - On the construction of gap functions for variational inequalities via conjugate duality

2004-21 R.I. Boţ, G. Wanka - A weaker regularity condition for subdifferential calculus and Fenchel duality in infinite dimensional spaces

2004-20 R.I. Boţ, G. Wanka - An alternative formulation for a new closed cone constraint qualification

2004-16 R.I. Boţ, G. Wanka - Farkas-type results for max-functions and applications

2004-15 R.I. Boţ, S.-M. Grad, G. Wanka - A new constraint qualification and conjugate duality for composed convex optimization problems

2004-14 I.B. Hodrea, R.I. Boţ, G. Wanka - The Rose-Gurewitz-Fox approach applied for patents classification

2004-12 A. Moldovan, R.I. Boţ, G. Wanka - Latent semantic indexing for patent documents

2004-11 I. Costantea, R.I. Boţ, G. Wanka - Patent document classification based on mutual information feature selection

2002-12 R.I. Boţ, G. Kassay G. Wanka - Strong duality for generalized convex optimization problems

2001-06 R.I. Boţ, G. Wanka - A new duality approach for multiobjective convex optimization problems

1998-26 G. Wanka - Multiobjective duality for the Markowitz portfolio optimization problem

1998-14 U. Krallert; G. Wanka - Duality for optimal control-approximation problems with gauges

1998-05 G. Wanka - A new theorem of the alternative - a location approach

1997-27 U. Krallert; G. Wanka - Efficiency in seminorm location problems

1997-24 G. Wanka - Multiobjective control-approximation problems - duality and optimality

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