Completeness of P-Summable as Hilbert Space with Its Dual Space

Authors

  • Muhammad Ryan Sanusi Master Program in Mathematics, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Bandung, 45363,Indonesia
  • Endang Rusyaman Departmen of Mathematics, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Bandung, 45363,Indonesia
  • Diah Chaerani Departmen of Mathematics, Faculty of Mathematics and Natural Sciences Universitas Padjadjaran, Bandung, 45363,Indonesia

DOI:

https://doi.org/10.29244/icsa.2019.pp51-56

Keywords:

Dual, Hilbert space, Isomorphism

Abstract

Hilbert space is a complete inner product space, meaning that each Cauchy sequence converges to a point in that space. One of the vector spaces that will be examined as the inner product space is p-summable space. The inner product space is a subset of vector spaces that have special properties that must be fulfilled. One way to prove vector space is the inner product space is to use parallelogram equality theorems. After it is known that the vector space is the inner product space, the completeness of the space will be proven using the dual space. The space used is the p-summable space, data that can be changed in a sequence form will be usable in this study. The results of this study will be useful as another application in determining a Hilbert space by using a method that is different from the definition. The analysis used will show comparison of the speed of completion accuracy will be a benchmark in this study, so that will be a new reference in determining a space is Hilbert space.

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Published

2021-02-26