Works matching AU Larsson, Torbjörn

Results: 30

Allocation of Link Flow Detectors for Origin-Destination Matrix Estimation—A Comparative Study.

Published in:

Computer-Aided Civil & Infrastructure Engineering, 2010, v. 25, n. 2, p. 116, doi. 10.1111/j.1467-8667.2009.00625.x

By:

Larsson, Torbjörn;
Lundgren, Jan T.;
Peterson, Anders

Publication type:

Article

An integer programming column generation principle for heuristic search methods.

Published in:

International Transactions in Operational Research, 2020, v. 27, n. 1, p. 665, doi. 10.1111/itor.12521

By:

Zhao, Yixin;
Larsson, Torbjörn;
Rönnberg, Elina

Publication type:

Article

Heuristics for integrated optimization of catheter positioning and dwell time distribution in prostate HDR brachytherapy.

Published in:

Annals of Operations Research, 2016, v. 236, n. 2, p. 319, doi. 10.1007/s10479-013-1448-7

By:

Holm, Åsa;
Carlsson Tedgren, Åsa;
Larsson, Torbjörn

Publication type:

Article

Global Optimality Conditions for Discrete and Nonconvex Optimization--With Applications to Lagrangian Heuristics and Column Generation.

Published in:

Operations Research, 2006, v. 54, n. 3, p. 436, doi. 10.1287/opre.1060.0292

By:

Larsson, Torbjörn;
Patriksson, Michael

Publication type:

Article

A comparison of feasible direction methods for the stochastic transportation problem.

Published in:

Computational Optimization & Applications, 2010, v. 46, n. 3, p. 451, doi. 10.1007/s10589-008-9199-0

By:

Daneva, Maria;
Larsson, Torbjörn;
Patriksson, Michael;
Rydergren, Clas

Publication type:

Article

An Augmented Lagrangian Algorithm for Large Scale Multicommodity Routing.

Published in:

Computational Optimization & Applications, 2004, v. 27, n. 2, p. 187, doi. 10.1023/B:COAP.0000008652.29295.eb

By:

Larsson, Torbjörn;
Yuan, Di

Publication type:

Article

A meta-heuristic extension of the Lagrangian heuristic framework.

Published in:

Optimization Methods & Software, 2024, v. 39, n. 5, p. 1008, doi. 10.1080/10556788.2024.2404094

By:

Ngulo, Uledi;
Larsson, Torbjörn;
Quttineh, Nils-Hassan

Publication type:

Article

Approximating the Pareto frontier for a challenging real-world bi-objective covering problem.

Published in:

INFOR, 2022, v. 60, n. 3, p. 342, doi. 10.1080/03155986.2022.2040274

By:

Quttineh, Nils-Hassan;
Ngulo, Uledi;
Larsson, Torbjörn

Publication type:

Article

A dual scheme for traffic assignment problems.

Published in:

Optimization, 1997, v. 42, n. 4, p. 323, doi. 10.1080/02331939708844366

By:

Larsson, Torbjörn.;
Liu, Zhuangwei.;
Patriksson, Michael.

Publication type:

Article

Dosimetric impact of a robust optimization approach to mitigate effects from rotational uncertainty in prostate intensity-modulated brachytherapy.

Published in:

Medical Physics, 2023, v. 50, n. 2, p. 1029, doi. 10.1002/mp.16134

By:

Morén, Björn;
Antaki, Majd;
Famulari, Gabriel;
Morcos, Marc;
Larsson, Torbjörn;
Enger, Shirin A.;
Tedgren, Åsa Carlsson

Publication type:

Article

Technical note: Evaluation of a spatial optimization model for prostate high dose-rate brachytherapy in a clinical treatment planning system.

Published in:

Medical Physics, 2023, v. 50, n. 2, p. 688, doi. 10.1002/mp.16166

By:

Morén, Björn;
Bokrantz, Rasmus;
Dohlmar, Frida;
Andersson, Björn;
Setterquist, Erik;
Larsson, Torbjörn;
Tedgren, Åsa Carlsson

Publication type:

Article

Lagrangian Relaxation via Ballstep Subgradient Methods.

Published in:

Mathematics of Operations Research, 2007, v. 32, n. 3, p. 669, doi. 10.1287/moor.1070.0261

By:

Kiwiel, Krzysztof C.;
Larsson, Torbjörn;
Lindberg, P. O.

Publication type:

Article

An audit of high dose-rate prostate brachytherapy treatment planning at six Swedish clinics.

Published in:

Journal of Contemporary Brachytherapy, 2021, v. 13, n. 1, p. 59, doi. 10.5114/jcb.2021.103588

By:

Dohlmar, Frida;
Johansson, Sakarias;
Larsson, Torbjörn;
Sandborg, Michael;
Tedgren, Åsa Carlsson

Publication type:

Article

Tonsillectomy in adults with obstructive sleep apnea.

Published in:

2016

By:

Holmlund, Thorbjörn;
Franklin, Karl A.;
Levring Jäghagen, Eva;
Lindkvist, Marie;
Larsson, Torbjörn;
Sahlin, Carin;
Berggren, Diana

Publication type:

journal article

A steepest feasible direction method for linear programming. Derivation and embedding in the simplex method.

Published in:

Operations Research & Decisions, 2024, v. 34, n. 2, p. 163, doi. 10.37190/ord240210

By:

Wolde, Biressaw C.;
Larsson, Torbjörn

Publication type:

Article

Asset liability management for the Bank of Uganda defined benefits scheme by stochastic programming.

Published in:

Operations Research & Decisions, 2022, v. 32, n. 4, p. 105, doi. 10.37190/ord220207

By:

Mukalazi, Herbert;
Larsson, Torbjörn;
Kasozi, Juma;
Mayambala, Fred

Publication type:

Article

Long term projection of the demographic and financial evolution of the parliamentary pension scheme of Uganda.

Published in:

Operations Research & Decisions, 2022, v. 32, n. 4, p. 92, doi. 10.37190/ord220307

By:

Mukalazi, Herbert;
Larsson, Torbjörn;
Kasozi, Juma;
Mayambala, Fred

Publication type:

Article

Long term projection of the demographic and financial evolution of the parliamentary pension scheme of Uganda.

Published in:

Operations Research & Decisions, 2022, v. 32, n. 3, p. 92, doi. 10.37190/ord220307

By:

Mukalazi, Herbert;
Larsson, Torbjörn;
Kasozi, Juma;
Mayambala, Fred

Publication type:

Article

Asset liability management for the Bank of Uganda defined benefits scheme by stochastic programming.

Published in:

Operations Research & Decisions, 2022, v. 32, n. 2, p. 105, doi. 10.37190/ord220207

By:

Mukalazi, Herbert;
Larsson, Torbjörn;
Kasozi, Juma;
Mayambala, Fred

Publication type:

Article

Optimization in treatment planning of high dose‐rate brachytherapy — Review and analysis of mathematical models.

Published in:

Medical Physics, 2021, v. 48, n. 5, p. 2057, doi. 10.1002/mp.14762

By:

Morén, Björn;
Larsson, Torbjörn;
Tedgren, Åsa Carlsson

Publication type:

Article

An extended dose–volume model in high dose‐rate brachytherapy – Using mean‐tail‐dose to reduce tumor underdosage.

Published in:

Medical Physics, 2019, v. 46, n. 6, p. 2556, doi. 10.1002/mp.13533

By:

Morén, Björn;
Larsson, Torbjörn;
Carlsson Tedgren, Åsa

Publication type:

Article

A linear programming model for optimizing HDR brachytherapy dose distributions with respect to mean dose in the DVH-tail.

Published in:

Medical Physics, 2013, v. 40, n. 8, p. 081705, doi. 10.1118/1.4812677

By:

Holm, Åsa;
Larsson, Torbjörn;
Tedgren, Åsa Carlsson

Publication type:

Article

Impact of using linear optimization models in dose planning for HDR brachytherapy.

Published in:

Medical Physics, 2012, v. 39, n. 2, p. 1021, doi. 10.1118/1.3676179

By:

Holm, Åsa;
Larsson, Torbjörn;
Carlsson Tedgren, Åsa

Publication type:

Article

Automating the self-scheduling process of nurses in Swedish healthcare: a pilot study.

Published in:

Health Care Management Science, 2010, v. 13, n. 1, p. 35, doi. 10.1007/s10729-009-9107-x

By:

Rönnberg, Elina;
Larsson, Torbjörn

Publication type:

Article

Sequential quadratic programming for non-linear elastic contact problems.

Published in:

International Journal for Numerical Methods in Engineering, 1995, v. 38, n. 1, p. 137, doi. 10.1002/nme.1620380109

By:

Björkman, Gunnar;
Klarbring, Anders;
Sjödin, Björn;
Larsson, Torbjörn;
Rönnqvist, Mikael

Publication type:

Article

Ergodic, primal convergence in dual subgradient schemes for convex programming, II: the case of inconsistent primal problems.

Published in:

Mathematical Programming, 2017, v. 163, n. 1/2, p. 57, doi. 10.1007/s10107-016-1055-x

By:

Önnheim, Magnus;
Gustavsson, Emil;
Strömberg, Ann-Brith;
Patriksson, Michael;
Larsson, Torbjörn

Publication type:

Article

Ergodic, primal convergence in dual subgradient schemes for convex programming.

Published in:

Mathematical Programming, 1999, v. 86, n. 2, p. 283, doi. 10.1007/s101070050090

By:

Larsson, Torbjörn;
Patriksson, Michael;
Strömberg, Ann-Brith

Publication type:

Article

The fixed charge transportation problem: a strong formulation based on Lagrangian decomposition and column generation.

Published in:

Journal of Global Optimization, 2018, v. 72, n. 3, p. 517, doi. 10.1007/s10898-018-0661-y

By:

Zhao, Yixin;
Larsson, Torbjörn;
Rönnberg, Elina;
Pardalos, Panos M.

Publication type:

Article

Simplicial Decomposition with Disaggregated Representation for the Traffic Assignment Problem.

Published in:

Transportation Science, 1992, v. 26, n. 1, p. 4, doi. 10.1287/trsc.26.1.4

By:

Larsson, Torbjörn;
Patriksson, Michael

Publication type:

Article

LAGRANGEAN RELAXATION AND SUBGRADIENT OPTIMIZATION APPLIED TO OPTIMAL DESIGN WITH DISCRETE SIZING.

Published in:

Engineering Optimization, 1990, v. 16, n. 3, p. 221, doi. 10.1080/03052159008941174

By:

JONSSON, ÖRJAN;
LARSSON, TORBJÖRN

Publication type:

Article