Abstract
We consider nonsmooth multiobjective fractional programming on normed spaces. Using first- and second-order approximations as generalized derivatives, first- and second-order optimality conditions are established. Unlike the existing results, we avoid completely convexity assumptions. Our results can be applied even in infinite-dimensional cases, involving non-Lipschitz maps.
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Acknowledgments
This work was supported by National Foundation for Science and Technology Development (NAFOSTED). A part of it was completed when the authors stayed as research visitors at Vietnam Institute for Advanced Study in Mathematics (VIASM), whose hospitality is gratefully acknowledged. The second author is supported partially also by Cantho University. The authors are much indebted to the anonymous referees for their valuable remarks and suggestions.
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Khanh, P.Q., Tung, L.T. First- and second-order optimality conditions for multiobjective fractional programming. TOP 23, 419–440 (2015). https://doi.org/10.1007/s11750-014-0347-7
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DOI: https://doi.org/10.1007/s11750-014-0347-7
Keywords
- Multiobjective fractional programming
- First and second-order approximations
- Weak solutions
- Firm solutions
- Optimality conditions
- Asymptotical pointwise compactness