Torbjörn Larsson

47 papers A 1Journal 39Unranked 7
YearRankTypeTitle / Venue / Authors
2025 J jnl
A global pricing extension of the simplex method.
Oper. Res. Decis.
Biressaw C. Wolde, Torbjörn Larsson
2024 J jnl
A Lagrangian bounding and heuristic principle for bi-objective discrete optimization.
Oper. Res.
Torbjörn Larsson, Nils-Hassan Quttineh, Ida Åkerholm
2024 J jnl
A meta-heuristic extension of the Lagrangian heuristic framework.
Optim. Methods Softw.
Uledi Ngulo, Torbjörn Larsson, Nils-Hassan Quttineh
2024 J jnl
A steepest feasible direction method for linear programming. Derivation and embedding in the simplex method.
Oper. Res. Decis.
Biressaw C. Wolde, Torbjörn Larsson
2022 J jnl
A theoretical justification of the set covering greedy heuristic of Caprara et al.
Discret. Optim.
Torbjörn Larsson, Nils-Hassan Quttineh
2022 J jnl
Approximating the Pareto frontier for a challenging real-world bi-objective covering problem.
INFOR Inf. Syst. Oper. Res.
Nils-Hassan Quttineh, Uledi Ngulo, Torbjörn Larsson
2022 J jnl
Asset liability management for the Bank of Uganda defined benefits scheme by stochastic programming.
Oper. Res. Decis.
Herbert Mukalazi, Torbjörn Larsson, Juma Kasozi, Fred Mayambala
2022 J jnl
Column generation extensions of set covering greedy heuristics.
Oper. Res. Lett.
Torbjörn Larsson, Nils-Hassan Quttineh
2022 J jnl
Dissecting the duality gap: the supporting hyperplane interpretation revisited.
Optim. Lett.
Nils-Hassan Quttineh, Torbjörn Larsson
2022 J jnl
Long term projection of the demographic and financial evolution of the parliamentary pension scheme of Uganda.
Oper. Res. Decis.
Herbert Mukalazi, Torbjörn Larsson, Juma Kasozi, Fred Mayambala
2021 — conf
Global Pricing and Feasible Directions in Linear Programming.
OR
Biressaw C. Wolde, Torbjörn Larsson
2020 J jnl
An integer programming column generation principle for heuristic search methods.
Int. Trans. Oper. Res.
Yixin Zhao, Torbjörn Larsson, Elina Rönnberg
2020 J jnl
Automating the planning of container loading for Atlas Copco: Coping with real-life stacking and stability constraints.
Eur. J. Oper. Res.
Jonas Olsson, Torbjörn Larsson, Nils-Hassan Quttineh
2019 — conf
A Dissection of the Duality Gap of Set Covering Problems.
OR
Uledi Ngulo, Torbjörn Larsson, Nils-Hassan Quttineh
2019 — conf
A Steepest Feasible Direction Extension of the Simplex Method.
OR
Biressaw C. Wolde, Torbjörn Larsson
2019 J jnl
An integer optimality condition for column generation on zero-one linear programs.
Discret. Optim.
Elina Rönnberg, Torbjörn Larsson
2018 J jnl
The fixed charge transportation problem: a strong formulation based on Lagrangian decomposition and column generation.
J. Glob. Optim.
Yixin Zhao, Torbjörn Larsson, Elina Rönnberg, Panos M. Pardalos
2017 J jnl
Ergodic, primal convergence in dual subgradient schemes for convex programming, II: the case of inconsistent primal problems.
Math. Program.
Magnus Önnheim, Emil Gustavsson, Ann-Brith Strömberg, Michael Patriksson, Torbjörn Larsson
2017 — conf
Preventing Hot Spots in High Dose-Rate Brachytherapy.
OR
Björn Morén, Torbjörn Larsson, Åsa Carlsson Tedgren
2016 J jnl
"Subben's checklist" and the assessment of articles in mathematical optimization/operations research: In memoriam of Subhash C. Narula.
Comput. Oper. Res.
Torbjörn Larsson, Michael Patriksson
2016 J jnl
Heuristics for integrated optimization of catheter positioning and dwell time distribution in prostate HDR brachytherapy.
Ann. Oper. Res.
Åsa Holm, Åsa Carlsson Tedgren, Torbjörn Larsson
2015 J jnl
A generic column generation principle: derivation and convergence analysis.
Oper. Res.
Torbjörn Larsson, Athanasios Migdalas, Michael Patriksson
2015 J jnl
Military aircraft mission planning - Efficient model-based metaheuristic approaches.
Optim. Lett.
Nils-Hassan Quttineh, Torbjörn Larsson
2014 — conf
A Time-Indexed Generalized Vehicle Routing Model for Military Aircraft Mission Planning.
OR
Jorne Van den Bergh, Nils-Hassan Quttineh, Torbjörn Larsson, Jeroen Beliën
2014 J jnl
A maximum flow formulation of a multi-period open-pit mining problem.
Oper. Res.
Henry Amankwah, Torbjörn Larsson, Björn Textorius
2014 J jnl
All-integer column generation for set partitioning: Basic principles and extensions.
Eur. J. Oper. Res.
Elina Rönnberg, Torbjörn Larsson
2014 — conf
Tight Upper Bounds on the Cardinality Constrained Mean-Variance Portfolio Optimization Problem Using Truncated Eigendecomposition.
OR
Fred Mayambala, Elina Rönnberg, Torbjörn Larsson
2013 J jnl
Military aircraft mission planning: a generalized vehicle routing model with synchronization and precedence.
EURO J. Transp. Logist.
Nils-Hassan Quttineh, Torbjörn Larsson, Kristian Lundberg, Kaj Holmberg
2013 — conf
Power efficient uplink scheduling in SC-FDMA: Bounding global optimality by column generation.
CAMAD
Hongmei Zhao, Lei Lei, Di Yuan, Torbjörn Larsson, Elina Rönnberg
2010 J jnl
A comparison of feasible direction methods for the stochastic transportation problem.
Comput. Optim. Appl.
Maria Daneva, Torbjörn Larsson, Michael Patriksson, Clas Rydergren
2010 J jnl
Allocation of Link Flow Detectors for Origin-Destination Matrix Estimation - A Comparative Study.
Comput. Aided Civ. Infrastructure Eng.
Torbjörn Larsson, Jan T. Lundgren, Anders Peterson
2009 J jnl
Column generation in the integral simplex method.
Eur. J. Oper. Res.
Elina Rönnberg, Torbjörn Larsson
2008 J jnl
Convergent Lagrangian heuristics for nonlinear minimum cost network flows.
Eur. J. Oper. Res.
Torbjörn Larsson, Johan Marklund, Caroline Olsson, Michael Patriksson
2007 J jnl
Lagrangian Relaxation via Ballstep Subgradient Methods.
Math. Oper. Res.
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
2006 J jnl
A note on relatives to the Held and Karp 1-tree problem.
Oper. Res. Lett.
Andreas Westerlund, Maud Göthe-Lundgren, Torbjörn Larsson
2006 J jnl
A stabilized column generation scheme for the traveling salesman subtour problem.
Discret. Appl. Math.
Andreas Westerlund, Maud Göthe-Lundgren, Torbjörn Larsson
2006 J jnl
Global Optimality Conditions for Discrete and Nonconvex Optimization - With Applications to Lagrangian Heuristics and Column Generation.
Oper. Res.
Torbjörn Larsson, Michael Patriksson
2004 J jnl
An Augmented Lagrangian Algorithm for Large Scale Multicommodity Routing.
Comput. Optim. Appl.
Torbjörn Larsson, Di Yuan
2003 J jnl
Inverse nonlinear multicommodity flow optimization by column generation.
Optim. Methods Softw.
Torbjörn Larsson, Michael Patriksson, Clas Rydergren
2003 J jnl
On the convergence of conditional epsilon-subgradient methods for convex programs and convex-concave saddle-point problems.
Eur. J. Oper. Res.
Torbjörn Larsson, Michael Patriksson, Ann-Brith Strömberg
1999 J jnl
Ergodic, primal convergence in dual subgradient schemes for convex programming.
Math. Program.
Torbjörn Larsson, Michael Patriksson, Ann-Brith Strömberg
1999 J jnl
The Efficiency of Ballstep Subgradient Level Methods for Convex Optimization.
Math. Oper. Res.
Krzysztof C. Kiwiel, Torbjörn Larsson, Per Olov Lindberg
1998 A conf
TCP position tolerances in joint torque minimizations.
IROS
Sten Grahn, Patrik Flisberg, Gert Johansson, Per Olov Lindberg, Torbjörn Larsson
1994 J jnl
A Set Covering Reformulation of the Pure Fixed Charge Transportation Problem.
Discret. Appl. Math.
Maud Göthe-Lundgren, Torbjörn Larsson
1994 J jnl
A class of gap functions for variational inequalities.
Math. Program.
Torbjörn Larsson, Michael Patriksson
1992 J jnl
A characterization of the uncapacitated network design polytope.
Oper. Res. Lett.
Johan Hellstrand, Torbjörn Larsson, Athanasios Migdalas
1992 J jnl
Simplicial Decomposition with Disaggregated Representation for the Traffic Assignment Problem.
Transp. Sci.
Torbjörn Larsson, Michael Patriksson