Skip to main content
Log in

Generalization of Samuelson’s inequality and location of eigenvalues

  • Published:
Proceedings - Mathematical Sciences Aims and scope Submit manuscript

Abstract

We prove a generalization of Samuelson’s inequality for higher order central moments. Bounds for the eigenvalues are obtained when a given complex n × n matrix has real eigenvalues. Likewise, we discuss bounds for the roots of polynomial equations.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Bhatia R, Matrix analysis (2000) (New York: Springer Verlag)

  2. Bhatia R and Davis C, A better bound on the variance, Amer. Math. Monthly 107 (2000) 353–357

  3. Dalen J, Algebraic bounds on standardized sample moments, Statist. Prob. Lett. 5 (1987) 329–331

  4. Jensen S T and Styan G P H, Some comments and a bibliography on the Laguerre–Samuelson inequality with extensions and applications in statistics and matrix theory, in: Analytic and Geometric Inequalities and applications (eds) H M Srivastava and T M Rassias (1999) (Kluwer) pp. 151–181

  5. Kurtz D C, A sufficient condition for all the roots of a polynomial to be real, Amer. Math. Monthly 99 (1992) 259–263

  6. Laguerre E N, Sur une methode pour obtenir par approximation les racines d’une equation algebrique qui a toutes ses raciness reelles, Nouv. Ann. de Math. 19 (1880) 161–171 & 193–202

  7. Marden M, Geometry of polynomials (2005) (American Mathematical Society)

  8. Olkin I, A matrix formulation on how deviant an observation can be, The Amer. Statist. 46 (1992) 205–209

  9. Rahman Q I and Schmeisser G, Analytic theory of polynomials (2002) (Oxford University Press)

  10. Samuelson P A, How deviant can you be?, J. Amer. Statist. Assoc. 63 (1968) 1522–1525

  11. Sharma R, Kaura A, Gupta M and Ram S, Some bounds on sample parameters with refinements of Samuelson and Brunk inequalities, J. Math. Inequal. 3 (2009) 99–106

  12. Sharma R, Gupta M and Kapoor G, Some better bounds on the variance with applications, J. Math. Inequal. 4 (2010) 355–363

  13. Sharma R, Bhandari R and Gupta M, Inequalities related to the Cauchy–Schwarz inequality, Sankhya 74-A (2012) 101–111

  14. Wolkowicz H and Styan G P H, Bounds for eigenvalues using traces, Linear Algebra Appl. 29 (1980) 471–506

Download references

Acknowledgements

The authors are grateful to Prof. Rajendra Bhatia for useful discussions and suggestions, and to ISI, Delhi for a visit in January 2013 when this work had begun. The support of the UGC-SAP is acknowledged.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to R SHARMA.

Additional information

Communicating Editor: Parameswaran Sankaran

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

SHARMA, R., SAINI, R. Generalization of Samuelson’s inequality and location of eigenvalues. Proc Math Sci 125, 103–111 (2015). https://doi.org/10.1007/s12044-015-0216-9

Download citation

  • Received:

  • Revised:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s12044-015-0216-9

Keywords

2010 Mathematics Subject Classification.

Navigation