Torbjörn Larsson

Publication Activity (10 Years)

Years Active: 1992-2024
Publications (10 Years): 19

Top Topics

Column Generation

Greedy Heuristic

Top Venues

Oper. Res. Decis.

Discret. Optim.

Publications

Biressaw C. Wolde, Torbjörn Larsson
A steepest feasible direction method for linear programming. Derivation and embedding in the simplex method. Oper. Res. Decis. 34 (2) (2024)
Torbjörn Larsson, Nils-Hassan Quttineh, Ida Åkerholm
A Lagrangian bounding and heuristic principle for bi-objective discrete optimization. Oper. Res. 24 (2) (2024)
Herbert Mukalazi, Torbjörn Larsson, Juma Kasozi, Fred Mayambala
Asset liability management for the Bank of Uganda defined benefits scheme by stochastic programming. Oper. Res. Decis. 32 (2) (2022)
Herbert Mukalazi, Torbjörn Larsson, Juma Kasozi, Fred Mayambala
Long term projection of the demographic and financial evolution of the parliamentary pension scheme of Uganda. Oper. Res. Decis. 32 (3) (2022)
Nils-Hassan Quttineh, Torbjörn Larsson
Dissecting the duality gap: the supporting hyperplane interpretation revisited. Optim. Lett. 16 (3) (2022)
Torbjörn Larsson, Nils-Hassan Quttineh
Column generation extensions of set covering greedy heuristics. Oper. Res. Lett. 50 (6) (2022)
Torbjörn Larsson, Nils-Hassan Quttineh
A theoretical justification of the set covering greedy heuristic of Caprara et al. Discret. Optim. 45 (2022)
Nils-Hassan Quttineh, Uledi Ngulo, Torbjörn Larsson
Approximating the Pareto frontier for a challenging real-world bi-objective covering problem. INFOR Inf. Syst. Oper. Res. 60 (3) (2022)
Biressaw C. Wolde, Torbjörn Larsson
Global Pricing and Feasible Directions in Linear Programming. OR (2021)
Yixin Zhao, Torbjörn Larsson, Elina Rönnberg
An integer programming column generation principle for heuristic search methods. Int. Trans. Oper. Res. 27 (1) (2020)
Jonas Olsson, Torbjörn Larsson, Nils-Hassan Quttineh
Automating the planning of container loading for Atlas Copco: Coping with real-life stacking and stability constraints. Eur. J. Oper. Res. 280 (3) (2020)
Elina Rönnberg, Torbjörn Larsson
An integer optimality condition for column generation on zero-one linear programs. Discret. Optim. 31 (2019)
Biressaw C. Wolde, Torbjörn Larsson
A Steepest Feasible Direction Extension of the Simplex Method. OR (2019)
Uledi Ngulo, Torbjörn Larsson, Nils-Hassan Quttineh
A Dissection of the Duality Gap of Set Covering Problems. OR (2019)
Yixin Zhao, Torbjörn Larsson, Elina Rönnberg, Panos M. Pardalos
The fixed charge transportation problem: a strong formulation based on Lagrangian decomposition and column generation. J. Glob. Optim. 72 (3) (2018)
Björn Morén, Torbjörn Larsson, Åsa Carlsson Tedgren
Preventing Hot Spots in High Dose-Rate Brachytherapy. OR (2017)
Magnus Önnheim, Emil Gustavsson, Ann-Brith Strömberg, Michael Patriksson, Torbjörn Larsson
Ergodic, primal convergence in dual subgradient schemes for convex programming, II: the case of inconsistent primal problems. Math. Program. 163 (1-2) (2017)
Åsa Holm, Åsa Carlsson Tedgren, Torbjörn Larsson
Heuristics for integrated optimization of catheter positioning and dwell time distribution in prostate HDR brachytherapy. Ann. Oper. Res. 236 (2) (2016)
Torbjörn Larsson, Michael Patriksson
"Subben's checklist" and the assessment of articles in mathematical optimization/operations research: In memoriam of Subhash C. Narula. Comput. Oper. Res. 71 (2016)
Nils-Hassan Quttineh, Torbjörn Larsson
Military aircraft mission planning - Efficient model-based metaheuristic approaches. Optim. Lett. 9 (8) (2015)
Torbjörn Larsson, Athanasios Migdalas, Michael Patriksson
A generic column generation principle: derivation and convergence analysis. Oper. Res. 15 (2) (2015)
Henry Amankwah, Torbjörn Larsson, Björn Textorius
A maximum flow formulation of a multi-period open-pit mining problem. Oper. Res. 14 (1) (2014)
Jorne Van den Bergh, Nils-Hassan Quttineh, Torbjörn Larsson, Jeroen Beliën
A Time-Indexed Generalized Vehicle Routing Model for Military Aircraft Mission Planning. OR (2014)
Elina Rönnberg, Torbjörn Larsson
All-integer column generation for set partitioning: Basic principles and extensions. Eur. J. Oper. Res. 233 (3) (2014)
Fred Mayambala, Elina Rönnberg, Torbjörn Larsson
Tight Upper Bounds on the Cardinality Constrained Mean-Variance Portfolio Optimization Problem Using Truncated Eigendecomposition. OR (2014)
Nils-Hassan Quttineh, Torbjörn Larsson, Kristian Lundberg, Kaj Holmberg
Military aircraft mission planning: a generalized vehicle routing model with synchronization and precedence. EURO J. Transp. Logist. 2 (1-2) (2013)
Hongmei Zhao, Lei Lei, Di Yuan, Torbjörn Larsson, Elina Rönnberg
Power efficient uplink scheduling in SC-FDMA: Bounding global optimality by column generation. CAMAD (2013)
Torbjörn Larsson, Jan T. Lundgren, Anders Peterson
Allocation of Link Flow Detectors for Origin-Destination Matrix Estimation - A Comparative Study. Comput. Aided Civ. Infrastructure Eng. 25 (2) (2010)
Maria Daneva, Torbjörn Larsson, Michael Patriksson, Clas Rydergren
A comparison of feasible direction methods for the stochastic transportation problem. Comput. Optim. Appl. 46 (3) (2010)
Elina Rönnberg, Torbjörn Larsson
Column generation in the integral simplex method. Eur. J. Oper. Res. 192 (1) (2009)
Torbjörn Larsson, Johan Marklund, Caroline Olsson, Michael Patriksson
Convergent Lagrangian heuristics for nonlinear minimum cost network flows. Eur. J. Oper. Res. 189 (2) (2008)
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
Lagrangian Relaxation via Ballstep Subgradient Methods. Math. Oper. Res. 32 (3) (2007)
Andreas Westerlund, Maud Göthe-Lundgren, Torbjörn Larsson
A stabilized column generation scheme for the traveling salesman subtour problem. Discret. Appl. Math. 154 (15) (2006)
Andreas Westerlund, Maud Göthe-Lundgren, Torbjörn Larsson
A note on relatives to the Held and Karp 1-tree problem. Oper. Res. Lett. 34 (3) (2006)
Torbjörn Larsson, Michael Patriksson
Global Optimality Conditions for Discrete and Nonconvex Optimization - With Applications to Lagrangian Heuristics and Column Generation. Oper. Res. 54 (3) (2006)
Torbjörn Larsson, Di Yuan
An Augmented Lagrangian Algorithm for Large Scale Multicommodity Routing. Comput. Optim. Appl. 27 (2) (2004)
Torbjörn Larsson, Michael Patriksson, Ann-Brith Strömberg
On the convergence of conditional epsilon-subgradient methods for convex programs and convex-concave saddle-point problems. Eur. J. Oper. Res. 151 (3) (2003)
Torbjörn Larsson, Michael Patriksson, Clas Rydergren
Inverse nonlinear multicommodity flow optimization by column generation. Optim. Methods Softw. 18 (5) (2003)
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
The Efficiency of Ballstep Subgradient Level Methods for Convex Optimization. Math. Oper. Res. 24 (1) (1999)
Torbjörn Larsson, Michael Patriksson, Ann-Brith Strömberg
Ergodic, primal convergence in dual subgradient schemes for convex programming. Math. Program. 86 (2) (1999)
Sten Grahn, Patrik Flisberg, Gert Johansson, Per Olov Lindberg, Torbjörn Larsson
TCP position tolerances in joint torque minimizations. IROS (1998)
Maud Göthe-Lundgren, Torbjörn Larsson
A Set Covering Reformulation of the Pure Fixed Charge Transportation Problem. Discret. Appl. Math. 48 (3) (1994)
Torbjörn Larsson, Michael Patriksson
A class of gap functions for variational inequalities. Math. Program. 64 (1994)
Torbjörn Larsson, Michael Patriksson
Simplicial Decomposition with Disaggregated Representation for the Traffic Assignment Problem. Transp. Sci. 26 (1) (1992)
Johan Hellstrand, Torbjörn Larsson, Athanasios Migdalas
A characterization of the uncapacitated network design polytope. Oper. Res. Lett. 12 (3) (1992)