Abstract
In this paper we derive new fractional error bounds for polynomial systems with exponents explicitly determined by the dimension of the underlying space and the number/degree of the involved polynomials. Our major result extends the existing error bounds from the system involving only a single polynomial to a general polynomial system and do not require any regularity assumptions. In this way we resolve, in particular, some open questions posed in the literature. The developed techniques are largely based on variational analysis and generalized differentiation, which allow us to establish, e.g., a nonsmooth extension of the seminal Łojasiewicz’s gradient inequality to maxima of polynomials with explicitly determined exponents. Our major applications concern quantitative Hölderian stability of solution maps for parameterized polynomial optimization problems and nonlinear complementarity systems with polynomial data as well as high-order semismooth properties of the eigenvalues of symmetric tensors.
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The authors are gratefully indebted to the referees and the handling Associate Editor for their helpful remarks, which allowed us to significantly improved the original presentation.
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This research was partially supported by the Australian Research Council under Grant DP-12092508. Research of G. Li was also partially supported by the Australian Research Council Future Fellowship FT130100038. Research of B. S. Mordukhovich was also partially supported by the USA National Science Foundation under Grant DMS-1007132 and by the Portuguese Foundation of Science and Technologies under Grant MAT/11109. Research of T. S. Phạm was also partially supported by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant 101.04–2013.07.
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Li, G., Mordukhovich, B.S. & Phạm, T.S. New fractional error bounds for polynomial systems with applications to Hölderian stability in optimization and spectral theory of tensors. Math. Program. 153, 333–362 (2015). https://doi.org/10.1007/s10107-014-0806-9
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DOI: https://doi.org/10.1007/s10107-014-0806-9
Keywords
- Error bounds
- Polynomials
- Variational analysis
- Generalized differentiation
- Łojasiewicz’s inequality
- Hölderian stability
- Polynomial optimization and complementarity