Dr. Oleg Wilfer
Curriculum Vitae
| 2004 - 2011 |
TU Chemnitz, Faculty of Mathematics Degree: Diploma in Mathematical Economics Diploma thesis: Dualitätsuntersuchungen mittels erweiterten Lagrange-Funktionen bei Optimierungsaufgaben |
| 2011 - 2017 | scientific assistant, Professorship of Applied Mathematics (Approximation Theory), Faculty of Mathematics, TU Chemnitz |
| 2012 - 2017 |
Ph. D. student in the International Master and PhD Program, Faculty of Mathematics, TU Chemnitz Thesis defended on March 29th, 2017 Grade: Magna cum laude Ph. D. thesis: Duality investigations for multi-composed optimization problems with applications in location theory Supervisor: Professor Dr. Gert Wanka |
| 2017 - 2019 | scientific assistant, Professorship Wirtschaftsmathematik, Faculty of Mathematics, TU Chemnitz |
Research Interests
- Nonsmooth Optimization
- Convex Analysis
- Conjugate Duality Theory
- Portfolio Optimization
- Facility Location Optimization
- Proximal Mapping Theory
Publications
- L. Altangerel, G. Wanka, O. Wilfer: An Oriented Distance Function Application to Gap Functions for Vector Variational Inequalities. Optimization, Simulation, and Control 76, 17-34, 2013.
- G. Wanka, O. Wilfer: A Lagrange Duality Approach for Multi-Composed Optimization Problems. TOP 25(2), 288-313, 2017.
- G. Wanka, O. Wilfer: Solving Minimax Location Problems via Epigraphical Projection I. Proceedings ISOLDE XIV Conference, International Symposium on Locational Decisions, Toronto & Huntsville, Ontario, Canada, July 9-14, 233-235, 2017.
- G. Wanka, O. Wilfer: Solving Minimax Location Problems via Epigraphical Projection II. Proceedings ISOLDE XIV Conference, International Symposium on Locational Decisions, Toronto & Huntsville, Ontario, Canada, July 9-14, 236-239, 2017.
- S.-M. Grad, G. Wanka, O. Wilfer: Duality and ε-Optimality Conditions for Multi-composed Optimization Problems with Applications to Fractional and Entropy Optimization. Pure and Applied Functional Analysis 2(1), 43-63, 2017.
- G. Wanka, O. Wilfer: Duality Results for Nonlinear Single Minimax Location Problems via Multi-Composed Optimization. Mathematical Methods of Operations Research 86(2), 401-439, 2017.
- O. Wilfer: Duality Investigations for Multi-Composed Optimization Problems with Applications in Location Theory. Dissertation, TU Chemnitz, 2017.
- G. Wanka, O. Wilfer: Duality Results for Extended Multifacility Location Problems. Optimization 67(7), 1095-1119, 2018.
- S.-M. Grad, O. Wilfer: A Proximal Method for Solving Nonlinear Minmax Location Problems with Perturbed Minimal Time Functions via Conjugate Duality, Journal of Global Optimization, 2019. DOI: 10.1007/s10898-019-00746-5
- G. Wanka, O. Wilfer: Formulae of Epigraphical Projection for Solving Minimax Location Problems. to appear in Pacific Journal of Optimization, 2019.
- G. Wanka, O. Wilfer: Multifacility Minimax Location Problems via Multi-Composed Optimization. to appear in Minimax Theory and its Applications, 2019.
Conferences / Workshops / Schools
- Duality for Convex Continuous Location Problems via Multi-Composed Optimization, International Symposium on Location Decision (ISOLDE), Naples/Capri, Italy, June 2014.
- Dualitätsaussagen für Erweiterte Minimax Standortprobleme, Workshop Optimierung, Ehrenfriedersdorf, Germany, February 2015.
- Duality Results for Extended Multifacility Minimax Location Problems, Seminar Optimization, University of Vienna, Austria, March 2015.
- Solving Minimax Location Problems via Epigraphical Projection II, International Symposium on Locational Decisions (ISOLDE XIV), Toronto/Huntsville, Kanada, July 2017.
- 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, Germany, November 2017.
- Solving Nonlinear Minmax Location Problems with Minimal Time Functions, Workshop Optimierung, Olbernhau, Germany, March 2019.
Teaching
- Earlier teaching activities
