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Improperly efficient solutions in a class of vector optimization problems

Author

Listed:
  • Nguyen Thi Thu Huong

    (Le Quy Don Technical University)

  • Nguyen Dong Yen

    (Vietnam Academy of Science and Technology)

Abstract

Improperly efficient solutions in the sense of Geoffrion in linear fractional vector optimization problems with unbounded constraint sets are studied systematically for the first time in this paper. We give two sets of conditions which assure that all the efficient solutions of a given problem are improperly efficient. We also obtain necessary conditions for an efficient solution to be improperly efficient. As a result, we have new sufficient conditions for Geoffrion’s proper efficiency. The obtained results enrich our knowledge on properly efficient solutions in linear fractional vector optimization.

Suggested Citation

  • Nguyen Thi Thu Huong & Nguyen Dong Yen, 2022. "Improperly efficient solutions in a class of vector optimization problems," Journal of Global Optimization, Springer, vol. 82(2), pages 375-387, February.
    • Handle: RePEc:spr:jglopt:v:82:y:2022:i:2:d:10.1007_s10898-021-01069-0
    DOI: 10.1007/s10898-021-01069-0
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    References listed on IDEAS

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    1. E. U. Choo & D. R. Atkins, 1983. "Connectedness in Multiple Linear Fractional Programming," Management Science, INFORMS, vol. 29(2), pages 250-255, February.
    2. N. T. T. Huong & J.-C. Yao & N. D. Yen, 2020. "Geoffrion’s proper efficiency in linear fractional vector optimization with unbounded constraint sets," Journal of Global Optimization, Springer, vol. 78(3), pages 545-562, November.
    3. Eng Ung Choo, 1984. "Technical Note—Proper Efficiency and the Linear Fractional Vector Maximum Problem," Operations Research, INFORMS, vol. 32(1), pages 216-220, February.
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