Research outputs

  1. 1984
  2. Published

    Space sweep solves intersection of convex polyhedra

    Hertel, S., Mäntylä, M., Mehlhorn, K. & Nievergelt, J., 1984, In : Acta Informatica. 21, 5, p. 501–519

    Research output: Contribution to journalArticle

  3. Published

    Square-lattice-gas model with repulsive nearest- and next-nearest-neighbor interactions

    Amar, J., Kaski, K. & Gunton, J. D., 1984, In : Physical Review B. 29, 3, p. 1462-1464

    Research output: Contribution to journalArticle

  4. Published
  5. Published

    Study of cell distribution functions of the three-dimensional Ising model

    Kaski, K., Binder, K. & Gunton, J. D., 1984, In : Physical Review B. 29, 7, p. 3996-4009

    Research output: Contribution to journalArticle

  6. Published

    Teknillisen korkeakoulun diplomityöt lukuvuonna 1983-1984

    Nieminen, T., 1984, Espoo, p. 117, (OTA-kirjasto B; no. 7).

    Research output: Working paperProfessional

  7. Published

    Theoretical studies of impurity-metal interactions

    Puska, M., 1984, In : Acta Polytechnica Scandinavica, Applied Physics Series. 143, p. 1-48 48 p.

    Research output: Contribution to journalArticle

  8. Published

    The Principle of Virtual Work with Discontinuous Virtual Displacements

    Salonen, E-M. & Paavola, J., 1984, Helsinki University of Technology: Institution of Mechanics, Publication No. 15. 75 p.

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

  9. Published

    The structure of polynomial complexity cores (Extended abstract)

    Orponen, P. & Schöning, U., 1984, Mathematical Foundations of Computer Science 1984, Praha, Czechoslovakia, September 3-7, 1984, Proceedings. Chytil, M. & Koubek, V. (eds.). p. 452-458 7 p.

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

  10. Published

    Työ, tavoitteellinen toiminta ja tutkimus - professori Hackerin haastattelu

    Vartiainen, M., 1984, In : Psykologia. 19, 5, p. 353-356

    Research output: Contribution to journalArticle

  11. 1983
  12. Published

    Computed positron lifetimes in vacancies and vacancy-iron clusters in gold

    Corbel, C., Puska, M. & Nieminen, R. M., Dec 1983, In : Radiation effects. 79, 1-4, p. 305-312 8 p.

    Research output: Contribution to journalArticle

  13. Published

    EVALUATION OF MECHANICAL-PROPERTIES OF THIN WIRES FOR ELECTRICAL INTERCONNECTIONS

    Hannula, S-P., Wanagel, J. & LI, C-Y., Dec 1983, In : IEEE TRANSACTIONS ON COMPONENTS, HYBRIDS AND MANUFACTURING TECHNOLOGY. 6, 4, p. 494-502 9 p.

    Research output: Contribution to journalArticle

  14. Published

    NMR experiments on rotating superfluid 3He-A and 3He-B and their theoretical interpretation

    Hakonen, P. J., Ikkala, O. T., Islander, S. T., Lounasmaa, O. V. & Volovik, G. E., Nov 1983, In : Journal of Low Temperature Physics. 53, 3-4, p. 425-476 52 p.

    Research output: Contribution to journalArticle

  15. Published

    Magnetic Vortices in Rotating Superfluid 3He-B

    Hakonen, P. J., Krusius, M., Salomaa, M. M., Simola, J. T., Bunkov, Y. M., Mineev, V. P. & Volovik, G. E., Oct 1983, In : Physical Review Letters. 51, 15, p. 1362-1365 4 p.

    Research output: Contribution to journalArticle

  16. Published

    Monte-Carlo calculations of keV electron and positron slowing down in solids

    Valkealahti, S. & Nieminen, R. M., Oct 1983, In : Applied Physics A: Solids and Surfaces. 32, 2, p. 95-106 12 p.

    Research output: Contribution to journalArticle

  17. Published

    Net energy analysis of district solar heating with seasonal heat storage

    Lund, P. & Kangas, M. T., Oct 1983, In : Energy. 8, 10, p. 813-819 7 p.

    Research output: Contribution to journalArticle

  18. Published

    Quantum motion of chemisorbed hydrogen on Ni surfaces

    Puska, M. J., Nieminen, R. M., Manninen, M., Chakraborty, B., Holloway, S. & Nørskov, J. K., 19 Sep 1983, In : Physical Review Letters. 51, 12, p. 1081-1084 4 p.

    Research output: Contribution to journalArticle

  19. Published

    FLOW OF SUPERFLUID HE-3 THROUGH MICROMETER-SIZE CHANNELS

    Manninen, M. T. & Pekola, J., Sep 1983, In : Journal of Low Temperature Physics. 52, 5-6, p. 497-525 29 p.

    Research output: Contribution to journalArticle

  20. Published

    Collision effects in velocity-selective optical pumping of sodium

    Aminoff, C. G., Javanainen, J. & Kaivola, M., 1 Aug 1983, In : Physical Review A. 28, 2, p. 722-737 16 p.

    Research output: Contribution to journalArticle

  21. Published

    Determination of the KL 2→L 3 X-Ray Multiplet Structure in Na, Mg, and Al

    Mikkola, E., Keski-Rahkonen, O., Lahtinen, J. & Reinikainen, K., 1 Aug 1983, In : Physica Scripta. 28, 2, p. 188-192 5 p.

    Research output: Contribution to journalArticle

  22. Published

    Sequential effects on the ERP in discriminating two stimuli

    Sams, M., Alho, K. & Näätänen, R., Aug 1983, In : Biological Psychology. 17, 1, p. 41-58 18 p.

    Research output: Contribution to journalArticle

  23. Published

    SIMPLE AND EFFECTIVE BANDWIDTH REDUCTION ALGORITHM.

    Puttonen, J., Aug 1983, In : International Journal for Numerical Methods in Engineering. 19, 8, p. 1139-1152 14 p.

    Research output: Contribution to journalArticle

  24. Published

    Atoms embedded in an electron gas: Phase shifts and cross sections

    Puska, M. J. & Nieminen, R. M., 15 May 1983, In : Physical Review B. 27, 10, p. 6121-6128 8 p.

    Research output: Contribution to journalArticle

  25. Published

    Electron Double Ionization Cross Section in Sodium Obtained from Kαh Hypersatellite Spectra

    Lahtinen, J. & Keski-Rahkonen, O., 1 May 1983, In : Physica Scripta. 27, 5, p. 334-338 5 p.

    Research output: Contribution to journalArticle

  26. Published

    INTERACTIVE MULTIPLE OBJECTIVE LINEAR PROGRAMMING METHOD FOR A CLASS OF UNDERLYING NONLINEAR UTILITY FUNCTIONS

    Zionts, S. & Wallenius, J., May 1983, In : Management Science. 29, 5, p. 519-529 11 p.

    Research output: Contribution to journalArticle

  27. Published
  28. Published

    Determination of reactor neutron spectra with multicomponent activation detectors

    Sandberg, J. V. & Lund, P. D., Mar 1983, In : Journal of radioanalytical chemistry. 76, 1, p. 151-170 20 p.

    Research output: Contribution to journalArticle

  29. Published

    Positron surface states on clean and oxidized Al and in surface vacancies

    Nieminen, R. M. & Puska, M. J., 24 Jan 1983, In : Physical Review Letters. 50, 4, p. 281-284 4 p.

    Research output: Contribution to journalArticle

  30. Published

    Atomistic Calculations of Positron Surface States

    Puska, M. J. & Nieminen, R. M., 1 Jan 1983, In : Physica Scripta . 1983, T4, p. 79-82 4 p.

    Research output: Contribution to journalArticle

  31. Published

    Surface Physics With Slow Positrons

    Nieminen, R. M., 1 Jan 1983, In : Physica Scripta . 1983, T4, p. 29-33 5 p.

    Research output: Contribution to journalArticle

  32. Published

    A METHODOLOGY FOR SOLVING THE MULTIPLE CRITERIA MACROECONOMIC POLICY PROBLEM

    WALLENIUS, H. & WALLENIUS, J., 1983, Econometric Decision Models: Proceedings of a Conference Held at the University of Hagen, West Germany, June 19–20, 1981. Gruber, J. (ed.). Springer Berlin Heidelberg, p. 310-333 24 p. (Lecture Notes in Economics and Mathematical Systems; vol. 208).

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

  33. Published

    An analysis of district solar ponds with heat pump

    Lund, P. D. & Routti, J. T., 1983, In : International Journal of Ambient Energy. 4, 4, p. 187-192 6 p.

    Research output: Contribution to journalArticle

  34. Published

    A study of a coarse-grained free energy functional for the three-dimensional Ising model

    Kaski, K., Binder, K. & Gunton, J. D., 1983, In : Journal of physics A: Mathematical and general. 16, 16, p. L623-L627

    Research output: Contribution to journalArticle

  35. Published

    Complexity classes of alternating machines with oracles

    Orponen, P., 1983, Automata, Languages and Programming: 10th Colloquium, Barcelona, Spain, July 18-22, 1983, Proceedings. Díaz, J. (ed.). Springer Berlin Heidelberg, p. 573-584 12 p. (Lecture Notes in Computer Science; vol. 154).

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

  36. Published

    Defect spectroscopy with positrons: A general calculational method

    Puska, M. J. & Nieminen, R. M., 1983, In : Journal of Physics F: Metal Physics. 13, 2, p. 333-346 14 p.

    Research output: Contribution to journalArticle

  37. Published

    DESIGN AND EXPERIMENTAL EVALUATION OF A MULTIVARIABLE GRINDING CIRCUIT CONTROL SYSTEM

    Jämsä-Jounela, S-L., Melama, H. & Penttinen, J., 1983, In : IFAC PROCEEDINGS VOLUMES. 16, 15, p. 189-197 9 p.

    Research output: Contribution to journalConference article

  38. Published

    DETERMINATION OF THE ACTIVITY OF MOTOR CORTEX NEURONS IN BEHAVIOR

    ALEXANDROV, YI., GRINCHENKO, YV., SHVYRKOV, VB., JARVILEHTO, T. & SAMS, M., 1983, In : PSIKHOLOGICHESKII ZHURNAL. 4, 2, p. 74-86 13 p.

    Research output: Contribution to journalArticle

  39. Published

    Dynamics of random interfaces in an order-disorder transition

    Kaski, K., Yalabik, M. C., Gunton, J. D. & Sahni, P. S., 1983, In : Physical Review B. 28, 9, p. 5263-5267

    Research output: Contribution to journalArticle

  40. Published

    Electrochemical methods for testing the intergranular corrosion susceptibility of stainless steels

    Aaltonen, P., Aho-Mantila, I. & Hänninen, H., 1983, In : Corrosion Science. 23, 4, p. 431-440 10 p.

    Research output: Contribution to journalArticle

  41. Published

    EXPERIENCES IN MULTIVARIABLE CONTROL OF SULPHIDE ORE GRINDING IN VUONOS CONCENTRATOR.

    Niemi, A., Heinonen, P., Jämsä-Jounela, S-L., Melama, H., Iivarinen, T. & Paakkinen, U., 1983, Preprints - XIV International Mineral Processing Congress: Worldwide Industrial Application of Mineral Processing Technology. CIM

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

  42. Published

    Finite-size-scaling study of a two-dimensional lattice-gas model with a tricritical point

    Rikvold, P. A., Kinzel, W., Gunton, J. D. & Kaski, K., 1983, In : Physical Review B. 28, 5, p. 2686-2692

    Research output: Contribution to journalArticle

  43. Published

    Helsinki University of Technology library system : report of the academic year 1982-1983

    Törnudd, E., 1983, Espoo, p. 11, (OTA-kirjasto A; no. 5).

    Research output: Working paperProfessional

  44. Published

    Käytännöllisten taitojen opettaminen

    Pöyhönen, M., Teikari, V. & Vartiainen, M., 1983, Aikuiskasvatuksen perusteita. Porvoo, p. 126-143 (Vapaan sivistystyön vuosikirja; vol. XXVII).

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

  45. Published

    LOAD RELAXATION BEHAVIOR OF SOME COMMERCIALLY PURE FCC-MATERIALS

    Hannula, S-P. & LI, CY., 1983, In : Journal of Metals. 35, 8, p. A55-A55 1 p.

    Research output: Contribution to journalMeeting Abstract

  46. Published

    LOAD RELAXATION STUDIES OF DEFORMATION MECHANISMS IN ZIRCALOY AND OFHC COPPER AT ELEVATED-TEMPERATURES

    WILSON, H., SUZUKI, H., Hannula, S-P. & LI, CY., 1983, In : Journal of Metals. 35, 8, p. A68-A68 1 p.

    Research output: Contribution to journalMeeting Abstract

  47. Published

    NMR measurement on textures in rotating superfluid 3He‐B

    Bunkov, Y. M., Hakonen, P. J. & Krusius, M., 1983, Quantum Fluids and Solids-1983. AIP, p. 194-209 16 p. (AIP Conference Proceedings; vol. 103, no. 1).

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

  48. Published

    Nordic Conference on Surface Science, Tampere, August 18-20, 1982 - Foreword

    PESSA, VM. & Nieminen, R., 1983, In : PHYSICA SCRIPTA: TOPICAL ISSUES. T4, p. U5-U5 1 p.

    Research output: Contribution to journalEditorial

  49. Published

    On the mechanisms of environment sensitive cyclic crack growth of nuclear reactor pressure vessel steels

    Hänninen, H., Törrönen, K., Kemppainen, M. & Salonen, S., 1983, In : Corrosion Science. 23, 6, p. 663-679 17 p.

    Research output: Contribution to journalArticle

  50. Published

    Period-multiplying bifurcations and multifurcations in conservative mappings

    Pakarinen, P. & Nieminen, R. M., 1983, In : Journal of physics A: Mathematical and general. 16, 10, p. 2105-2119 15 p.

    Research output: Contribution to journalArticle

  51. Published

    Phase transitions in centered-rectangular- and square-lattice-gas models

    Kaski, K., Kinzel, W. & Gunton, J. D., 1983, In : Physical Review B. 27, 11, p. 6777-6786

    Research output: Contribution to journalArticle

  52. Published

    Rotating nuclear demagnetization refrigerator for experiments on superfluid he3

    Hakonen, P. J., Ikkala, O. T., Islander, S. T., Markkula, T. K., Roubeau, P. M., Saloheimo, K. M., Garibashvili, D. I. & Tsakadze, J. S., 1983, In : Cryogenics. 23, 5, p. 243-250 8 p.

    Research output: Contribution to journalArticle