Harri Ehtamo

Professor

Research outputs

  1. 2019
  2. Published

    Pushing and overtaking others in a spatial game of exit congestion

    von Schantz, A. & Ehtamo, H., 1 Aug 2019, In : Physica A: Statistical Mechanics and its Applications. 527, p. 1-11 121151.

    Research output: Contribution to journalArticleScientificpeer-review

  3. 2018
  4. Published

    Modeling uncertain passenger arrivals in the elevator dispatching problem with destination control

    Sorsa, J., Ehtamo, H., Kuusinen, J. M., Ruokokoski, M. & Siikonen, M. L., 2018, In : OPTIMIZATION LETTERS. 12, 1, p. 171–185 15 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. 2017
  6. Published

    Two-type multi-agent game for egress congestion

    von Schantz, A., Ehtamo, H. & Pärnänen, I., 2017, Proceedings of the 50th Hawaii International Conference on System Sciences. IEEE, p. 1328-1337

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  7. 2016
  8. Published

    Assignment formulation for the Elevator Dispatching Problem with destination control and its performance analysis

    Ruokokoski, M., Sorsa, J., Siikonen, M. L. & Ehtamo, H., 16 Jul 2016, In : European Journal of Operational Research. 252, 2, p. 397–406

    Research output: Contribution to journalArticleScientificpeer-review

  9. 2015
  10. Published

    Elevator Dispatching Problem: a Mixed Integer Linear Programming Formulation and Polyhedral Results

    Ruokokoski, M., Ehtamo, H. & Pardalos, P. M., 2015, In : JOURNAL OF COMBINATORIAL OPTIMIZATION. 29, 4, p. 750-780

    Research output: Contribution to journalArticleScientificpeer-review

  11. Published

    Spatial game in cellular automaton evacuation model

    von Schantz, A. & Ehtamo, H., 2015, In : Physical Review E. 92, 5, p. 1-13 052806.

    Research output: Contribution to journalArticleScientificpeer-review

  12. 2014
  13. Published

    Cellular Automaton Evacuation Model Coupled with a Spatial Game

    von Schantz, A. & Ehtamo, H., 2014, 10th International Conference, AMT 2014 Warsaw, Poland, August 1114, 2014. Slezak, D., Schaefer, G., Vuong, S. T. & Kim, Y-S. (eds.).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  14. 2013
  15. Published

    Patient and impatient pedestrians in a spatial game for egress congestion

    Heliövaara, S., Ehtamo, H., Helbing, D. & Korhonen, T., 2013, In : Physical Review E. 87, 012802, p. 1-10

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Priority-based classification of spectrum access models

    Berg, K., Ehtamo, H., Uusitalo, M. A. & Wijting, C., 2013, In : IEEE Communications Magazine. 51, 8, p. 162-167

    Research output: Contribution to journalArticleScientificpeer-review

  17. 2012
  18. Published

    A study on the arrival process of lift passengers in a multi-storey office building

    Kuusinen, J-M., Sorsa, J., Siikonen, M-L. & Ehtamo, H., 2012, In : BUILDING SERVICES ENGINEERING RESEARCH AND TECHNOLOGY. 33, 2, p. 437-449

    Research output: Contribution to journalArticleScientificpeer-review

  19. Published

    Continuous learning methods in two-buyer pricing problem

    Berg, K. & Ehtamo, H., 2012, In : Mathematical Methods of Operations Research. 75, 3, p. 287-304

    Research output: Contribution to journalArticleScientificpeer-review

  20. Published

    Counterflow model for agent-based simulation of crowd dynamics

    Heliövaara, S., Korhonen, T., Hostikka, S. & Ehtamo, H., 2012, In : Building and Environment. 48, 0, p. 89-100

    Research output: Contribution to journalArticleScientificpeer-review

  21. Published

    Pedestrian Behavior and Exit Selection in Evacuation of a Corridor - An Experimental Study

    Heliövaara, S., Kuusinen, J-M., Rinne, T., Korhonen, T. & Ehtamo, H., 2012, In : Safety Science. 50, p. 221-227

    Research output: Contribution to journalArticleScientificpeer-review

  22. 2010
  23. Published

    An Adjustment Scheme for Nonlinear Pricing Problem with Two Buyers

    Ehtamo, H., Berg, K. & Kitti, M., 2010, In : European Journal of Operational Research. 201, 1, p. 259-266

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    FDS+Evac: An Agent Based Fire Evacuation Model

    Korhonen, T., Hostikka, S., Heliövaara, S. & Ehtamo, H., 2010, Pedestrian and Evacuation Dynamics 2008, Wuppertal, Germany. Springer-Verlang, G. (ed.). p. 109-120

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. Published

    Game Theoretic Best-Response Dynamics for Evacuees' Exit Selection

    Ehtamo, H., Heliövaara, S., Korhonen, T. & Hostikka, S., 2010, In : Advances in Complex Systems. 13, 1, p. 113-134

    Research output: Contribution to journalArticleScientificpeer-review

  26. Published

    Interpretation of Lagrange Multipliers in Nonlinear Pricing Problem

    Berg, K. & Ehtamo, H., 2010, In : OPTIMIZATION LETTERS. 4, 2, p. 275-285

    Research output: Contribution to journalArticleScientificpeer-review

  27. Published

    Modeling Evacuees' Exit Selection with Best Response Dynamics

    Ehtamo, H., Heliövaara, S., Hostikka, S. & Korhonen, T., 2010, Pedestrian and Evacuation Dynamics 2008, Wuppertal, Germany, 27-29.2.2008.. Springer-Verlag, G. (ed.). p. 309-319

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  28. 2009
  29. Published

    Adjustment of an Affine Contract with Fixed-Point Iteration

    Kitti, M. & Ehtamo, H., 2009, In : Journal of Optimization Theory and Applications. 140, 3, p. 477-497

    Research output: Contribution to journalArticleScientificpeer-review

  30. 2008
  31. Published

    FDS+Evac: Modelling Social Interactions in Fire Evaquation

    Korhonen, T., Hostikka, S., Heliövaara, S. & Ehtamo, H., 2008, 7th International Conference on Performance-Based Codes and Fire Safety Design Models, New Zealand, 16-18.4.2008. p. 241-250

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  32. Published

    Multidimensional Screening: Online Computation and Limited Information

    Berg, K. & Ehtamo, H., 2008, ICEC 2008, the 10th International Conference on Electronic Commerce, Innsbruck, Itävalta, 19.-22.8.2008. p. 1-10

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  33. 2007
  34. Published

    Analysis of the constraint proposal method for two-party negotiations

    Kitti, M. & Ehtamo, H., 2007, In : European Journal of Operational Research. 181, 2, p. 817-827

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    FDS+Evac: Evacuation module for fire dynamics simulator

    Korhonen, T., Hostikka, S., Heliövaara, S., Ehtamo, H. & Matikainen, K., 2007, The Interflam 2007: 11th International Conference on Fire Science and Engineering, London, 3.-5.9.2007. p. 1443-1448

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  36. Published

    Integration of an agent based evacuation simulation and state-of-the-art fire simulation

    Korhonen, T., Hostikka, S., Heliövaara, S. & Ehtamo, H., 2007, 7th Asia-Oceania Symposium on Fire Science & Technology, Hong Kong, 20.-22.9.2007.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  37. Published

    Poistumissimuloinnit palotilanteissa

    Heliövaara, S., Ehtamo, H., Korhonen, T. & Hostikka, S., 2007, In : Pelastustieto. 58, p. 109-113

    Research output: Contribution to journalArticleProfessional

  38. 2004
  39. Published

    An E-learning Module on Negotiation Analysis

    Ehtamo, H., Hämäläinen, R. P. & Koskinen, V., 2004, Hawaii International Conference on System Sciences. IEEE

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  40. 2003
  41. Published

    Optimal control of double-deck elevator group using genetic algorithm

    Sorsa, J., Siikonen, M-L. & Ehtamo, H., 2003, In : International Transactions in Operational Research. 10, 2, p. 103-114

    Research output: Contribution to journalArticleScientificpeer-review

  42. 2002
  43. Published

    Recent Studies on Incentive Design Problems in Game Theory and Management Science

    Ehtamo, H., Kitti, M. & Hämäläinen, R., 2002, Optimal Control and Differential games, Essays in Honor of Steffen Jorgensen. Zaccour, G. (ed.). Boston/Dordrecht/London: Kluwer Academic Publishers, p. 121-134

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  44. 2001
  45. Published

    Constraint proposal method for computing Pareto solutions in multi-party negotiations

    Heiskanen, P., Ehtamo, H. & Hämäläinen, R. P., 2001, In : European Journal of Operational Research. 133, 1, p. 44-61

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Evaluating a framework for multi-stakeholder decision support in water resources

    Hämäläinen, R. P., Kettunen, E., Marttunen, M. & Ehtamo, H., 2001, In : Group Decision and Negotiation. 10, 4, p. 331-353

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Interactive Multiple-Criteria Methods for Reaching Pareto Optimal Agreements in Negotiations

    Ehtamo, H. & Hämäläinen, R. P., 2001, In : Group Decision and Negotiation. 10, 6, p. 475-491

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    On Applied Nonlinear and Bilevel Programming for Some Pursuit-Evasion Games

    Ehtamo, H. & Raivio, T., 2001, In : Journal of Optimization Theory and Applications. 108, 1, p. 65-96

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Searching for Joint Gains in Multi-Party Negotiations

    Ehtamo, H., Kettunen, E. & Hämäläinen, R. P., 2001, In : European Journal of Operational Research. 130, 1, p. 54-69

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Sensitivity Analysis of the Jointly Improving Direction Method

    Ehtamo, H. & Hämäläinen, R. P., 2001, Group Decision & Negotiation 2001, La Rochelle, France, June 4-7, 2001. Delft University of Technology, p. 123-125

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  51. 2000
  52. Published

    A continuation method for minimum time problems

    Ehtamo, H., Raivio, T. & Hämäläinen, R. P., 2000, Espoo, p. 16, (Helsinki University of Technology Systems Analysis Research Reports; no. E3).

    Research output: Working paperProfessional

  53. Published

    Applying nonlinear programming to pursuit-evasion games

    Ehtamo, H. & Raivio, T., 2000, Espoo, p. 31, (Helsinki University of Technology Systems Analysis Laboratory Research Reports; no. E4).

    Research output: Working paperProfessional

  54. Published

    On numerical solution of a class of pursuit evasion games

    Raivio, T. & Ehtamo, H., 2000, In : International Society of Dynamic Games. Annals . 5, p. 177-192

    Research output: Contribution to journalArticleScientificpeer-review

  55. Published

    Visual Aircraft Identification as a Pursuit-Evasion Game

    Ehtamo, H. & Raivio, T., 2000, In : Journal of Guidance, Control and Dynamics. 23, 4, p. 701-708

    Research output: Contribution to journalArticleScientificpeer-review

  56. 1999
  57. Published

    Generating Pareto solutions in two-party negotiations by adjusting artificial constraints

    Ehtamo, H., Hämäläinen, R. P., Heiskanen, P., Teich, J., Verkama, M. & Zionts, S., 1999, In : Management Science. 45, 12, p. 1697-1709

    Research output: Contribution to journalArticleScientificpeer-review

  58. Published

    Generating Pareto Solutions in Two-Party SettinProposal Methods

    Ehtamo, H., Hämäläinen, R. P., Heiskanen, P., Teich, J., Verkama, M. & Zionts, S., 1999, In : Management Science. 45, 12

    Research output: Contribution to journalArticleScientificpeer-review

  59. Published
  60. Published

    Towards decision and negotiation support in multi-stakeholder development of lake regulation policy

    Hämäläinen, R. P., Kettunen, E., Marttunen, M. & Ehtamo, H., 1999, Hawaii International Conference on System Sciences, Hawaii, January 5-8, 1999.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  61. Published

    VIATO - Visual Interactive Aircraft Trajectory Optimization

    Virtanen, K., Ehtamo, H., Raivio, T. & Hämäläinen, R. P., 1999, In : IEEE Transactions on Systems, Man and Cybernetics, Part C: Applications and Reviews. 29, 3, p. 409-421

    Research output: Contribution to journalArticleScientificpeer-review

  62. 1998
  63. Published

    Microcomputer simulation of optimal flight paths

    Raivio, T., Virtanen, K., Ehtamo, H. & Hämäläinen, R. P., 1998, EUROSIM´98 Simulation Congress, April 14-15, 1998, Espoo, Finland. Juslin, K. (ed.). p. vol.2,pp. 288-289

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  64. 1997
  65. Published

    Applying nonlinear programming to a complex pursuit-evasion problem

    Raivio, T. & Ehtamo, H., 1997, 1997 IEEE International Conference on Systems, Man, and Cybernetics, Orlando, FL, October 12-15, 1997. Malmborg, C. J. (ed.). IEEE, p. 1548-1551

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  66. Published

    Book review: Tamer Basar and Geert Jan Olsder, Dynamic Noncooperative Game Theory, 2nd ed.

    Ehtamo, H., 1997, In : Journal of Economic Dynamics and Control. 21, p. 1113-1116

    Research output: Contribution to journalArticleScientificpeer-review

  67. Published

    Game modeling and coordination processes for two-level multi-agent systems

    Hämäläinen, R. P., Kettunen, E. & Ehtamo, H., 1997, Sixteenth IASTED International Conference on Modelling, Identification and Control, Austria, February 17-19, 1997. p. 234-240

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  68. Published

    How to select fair improving directions in a negotiation model over continuous issues

    Ehtamo, H., Verkama, M. & Hämäläinen, R. P., 1997, 1997 IEEE International Conference on Systems, Man and Cybernetics, Orlando Florida, October 12-15, 1997. p. 3466-3471

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  69. Published

    VIATO - Visual interactive aircraft trajectory optimization

    Virtanen, K., Ehtamo, H., Raivio, T. & Hämäläinen, R. P., 1997, 1997 IEEE International Conference on Systems, Man and Cybernetics, Orlando, Florida, October 12-15, 1997. Orlando, Florida: IEEE, p. 2280-2285

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  70. 1996
  71. Published

    A decomposition method for a class of pursuit-evasion games

    Raivio, T., Ehtamo, H. & Hämäläinen, R. P., 1996, 7th International Symposium on Differential Games and Applications, Kanagawa, Japan, December 16.-18.1996. p. vol.2, s. 784-795

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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