Skip to main content
Log in

Some Fundamental Theorems of Functional Analysis with Bicomplex and Hyperbolic Scalars

  • Published:
Advances in Applied Clifford Algebras Aims and scope Submit manuscript

Abstract

We discuss some properties of linear functionals on topological hyperbolic and topological bicomplex modules. The hyperbolic and bicomplex analogues of the uniform boundedness principle, the open mapping theorem, the closed graph theorem and the Hahn Banach separation theorem are proved.

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. Alpay, D., Luna-Elizarraras, M.E., Shapiro, M., Struppa, D.C.: Basics of Functional Analysis with Bicomplex Scalars and Bicomplex Schur Analysis. Springer Briefs in Mathematics. Springer, Berlin (2014)

    Book  Google Scholar 

  2. Banach, S.: Sur les fonctionelles linéaires II. Stud. Math. 1, 223–239 (1929)

    Article  Google Scholar 

  3. Banach, S., Steinhaus, H.: Sur le principe de la condensation de \(singularit\dot{e}s\). Stud. Math. 2, 50–61 (1927)

    MATH  Google Scholar 

  4. Bohnenblust, H.F., Sobczyk, A.: Extensions of functionals on complex linear spaces. Bull. Am. Math. Soc. 44(2), 91–93 (1938)

    Article  MathSciNet  Google Scholar 

  5. Colombo, F., Sabadini, I., Struppa, D.C.: Bicomplex holomorphic functional calculus. Math. Nachr. 287(13), 1093–1105 (2013)

    MathSciNet  MATH  Google Scholar 

  6. Colombo, F., Sabadini, I., Struppa, D.C., Vajiac, A., Vajiac, M.B.: Singularities of functions of one and several bicomplex variables. Ark. Mat. 49, 277–294 (2011)

    Article  MathSciNet  Google Scholar 

  7. Conway, J.B.: A Course in Functional Analysis, 2nd edn. Springer, Berlin (1990)

    MATH  Google Scholar 

  8. De, Bie H., Struppa, D.C., Vajiac, A., Vajiac, M.B.: The Cauchy–Kowalewski product for bicomplex holomorphic functions. Math. Nachr. 285(10), 1230–1242 (2012)

    Article  MathSciNet  Google Scholar 

  9. Dunford, N., Schwartz, J.T.: Linear Operators, Part 1: General Theory. Interscience Publishers, New York (1958)

    MATH  Google Scholar 

  10. Gervais, Lavoie R., Marchildon, L., Rochon, D.: Finite-dimensional bicomplex Hilbert spaces. Adv. Appl. Clifford Algebr. 21(3), 561–581 (2011)

    Article  MathSciNet  Google Scholar 

  11. Gervais, Lavoie R., Marchildon, L., Rochon, D.: Infinite-dimensional bicomplex Hilbert spaces. Ann. Funct. Anal. 1(2), 75–91 (2010)

    Article  MathSciNet  Google Scholar 

  12. Hahn, H.: \(\ddot{U}ber\) die Darstellung gegebener Funktionen durch singulare Integr\(\bar{a}\)le II. Denkschriften der K. Akad. Wien. Math. Naturwiss. Kl. 93, 657–692 (1916)

    Google Scholar 

  13. Hahn, H.: \(\ddot{U}ber\) lineare Gleichungsysteme in linearen Räume. J. Reine Angew. Math. 157, 214–229 (1927)

    MathSciNet  Google Scholar 

  14. Kumar, R., Kumar, R., Rochon, D.: The fundamental theorems in the framework of bicomplex topological modules. arXiv:1109.3424v1 (2011)

  15. Kumar, R., Saini, H.: Topological bicomplex modules. Adv. Appl. Clifford Algebr. 26(4), 1249–1270 (2016)

    Article  MathSciNet  Google Scholar 

  16. Kumar, R., Singh, K., Saini, H., Kumar, S.: Bicomplex weighted Hardy spaces and bicomplex C\(^{*}\)-algebras. Adv. Appl. Clifford Algebr. 26(1), 217–235 (2016)

    Article  MathSciNet  Google Scholar 

  17. Larsen, R.: Functional Analysis: An Introduction. Marcel Dekker, New York (1973)

    MATH  Google Scholar 

  18. Lebesgue, H.: Sur les \(int\acute{e}grales\)\(singuli\grave{e}res\). Ann. Toulouse 1, 25–117 (1909)

    Article  Google Scholar 

  19. Luna-Elizarraras, M.E., Perez-Regalado, C.O., Shapiro, M.: On linear functionals and Hahn–Banach theorems for hyperbolic and bicomplex modules. Adv. Appl. Clifford Algebr. 24, 1105–1129 (2014)

    Article  MathSciNet  Google Scholar 

  20. Luna-Elizarraras, M.E., Perez-Regalado, C.O., Shapiro, M.: On the bicomplex Gleason–Kahane Zelazko Theorem. Complex Anal. Oper. Theory 10(2), 327–352 (2016)

    Article  MathSciNet  Google Scholar 

  21. Luna-Elizarraras, M.E., Shapiro, M., Struppa, D.C.: On Clifford analysis for holomorphic mappings. Adv. Geom. 14(3), 413–426 (2014)

    Article  MathSciNet  Google Scholar 

  22. Luna-Elizarraras, M.E., Shapiro, M., Struppa, D.C., Vajiac, A.: Bicomplex numbers and their elementary functions. Cubo 14(2), 61–80 (2012)

    Article  MathSciNet  Google Scholar 

  23. Luna-Elizarraras, M.E., Shapiro, M., Struppa, D.C., Vajiac, A.: Bicomplex Holomorphic Functions: The Algebra. Geometry and Analysis of Bicomplex Numbers. Frontiers in Mathematics. Springer, New York (2015)

    Book  Google Scholar 

  24. Luna-Elizarraras, M.E., Shapiro, M., Struppa, D.C., Vajiac, A.: Complex Laplacian and derivatives of bicomplex functions. Complex Anal. Oper. Theory 7, 1675–1711 (2013)

    Article  MathSciNet  Google Scholar 

  25. Price, G.B.: An Introduction to Multicomplex Spaces and Functions, 3rd edn. Marcel Dekker, New York (1991)

    MATH  Google Scholar 

  26. Riley, J.D.: Contributions to the theory of functions of a bicomplex variable. Tohoku Math. J. (2) 5(2), 132–165 (1953)

    Article  MathSciNet  Google Scholar 

  27. Rochon, D., Shapiro, M.: On algebraic properties of bicomplex and hyperbolic numbers. Anal. Univ. Oradea Fasc. Math. 11, 71–110 (2004)

    MathSciNet  MATH  Google Scholar 

  28. Rochon, D., Tremblay, S.: Bicomplex quantum mechanics II: the Hilbert space. Adv. Appl. Clifford Algebr. 16(2), 135–157 (2006)

    Article  MathSciNet  Google Scholar 

  29. Rudin, W.: Functional Analysis, 2nd edn. McGraw Hill, New York (1991)

    MATH  Google Scholar 

  30. Saks, S., Tamarkin, J.D.: On a theorem of Hahn–Steinhaus. Ann. Math. 2(3), 595–601 (1933)

    Article  MathSciNet  Google Scholar 

  31. Schauder, J.: \(\ddot{U}ber\) die Umkehrung linearer, stetiger funktionaloperationen. Stud. Math. 2, 1–6 (1930)

    Article  MathSciNet  Google Scholar 

  32. Soukhomlinoff, G.: \(\ddot{U}ber\) Fortsetzung von linearen Funktionalen in linearen komplexen \(R\ddot{a}umen\) und linearen Quaternionr\(\ddot{a}\) umen. Rec. Math. N.S. 3(2), 353–358 (1938)

    Google Scholar 

  33. Steinhaus, H.: Sur les \(d\acute{e}veloppements\) orthogonaux. Bull. Int. Acad. Polon. Sci. A. 11–39, 20 (1926)

    Google Scholar 

Download references

Acknowledgements

The authors would like to thank the referees and the Professor Rafal Ablamowicz for their helpful comments and valuable suggestions for improving the manuscript.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Romesh Kumar.

Additional information

Communicated by Irene Sabadini

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Saini, H., Sharma, A. & Kumar, R. Some Fundamental Theorems of Functional Analysis with Bicomplex and Hyperbolic Scalars. Adv. Appl. Clifford Algebras 30, 66 (2020). https://doi.org/10.1007/s00006-020-01092-6

Download citation

  • Received:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s00006-020-01092-6

Keywords

Mathematics Subject Classification

Navigation