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Correction to: On the Unique Solvability of the Absolute Value Equation

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Abstract

In this note, we give the two counterexamples for two unique solvability conditions that appeared in the published paper by Wu et al. (J Optim Theory Appl 169:705–712, 2016).

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Notes

  1. For \(x \in {\mathbb {R}}^{n}\) sign(x) denotes a vector with components equal to \(-1\), 0 or 1 depending on whether the corresponding component of x is negative, zero or positive. The diagonal matrix D = diag(sign(x)) denotes a diagonal matrix corresponding to sign(x).

References

  1. Achache, M., Anane, N.: On unique solvability and Picard’s iterative method for absolute value equations. Bull. Transilv. Univ. Bras. III: Math. Comput. Sci. 1, 13–26 (2021)

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  2. Mangasarian, O.L., Meyer, R.R.: Absolute value equations. Linear Algebra Appl. 419, 359–367 (2006)

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  3. Wu, S.L., Guo, P.: On the unique solvability of the absolute value equation. J. Optim. Theory Appl. 169, 705–712 (2016)

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Acknowledgements

The research work of Shubham Kumar was supported by the Ministry of Education, Government of India, through Graduate Aptitude Test in Engineering (GATE) fellowship registration No. MA19S43033021.

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Correspondence to Shubham Kumar.

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Kumar, S. Correction to: On the Unique Solvability of the Absolute Value Equation. J Optim Theory Appl 200, 891–893 (2024). https://doi.org/10.1007/s10957-023-02357-3

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  • DOI: https://doi.org/10.1007/s10957-023-02357-3

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