We explore properties of two Hilbert spaces of nonabsolutely integrable functions, the Kuelbs-Steadman-2 space (KS-2 space), given in terms of the Henstock-Kurzweil-integral, and the reproducing kernel Hilbert Space of symmetric kernels on this space. The Mercer’s theorem for symmetric kernels of KS-2 space is presented, as a consequence, the representation theorem for the related reproducing kernel Hilbert space is obtained.

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Hilbert Spaces of Nonabsolutely Integrable Functions

  • Fernanda Andrade da Silva,
  • K. Gonzalez,
  • T. Jordão

摘要

We explore properties of two Hilbert spaces of nonabsolutely integrable functions, the Kuelbs-Steadman-2 space (KS-2 space), given in terms of the Henstock-Kurzweil-integral, and the reproducing kernel Hilbert Space of symmetric kernels on this space. The Mercer’s theorem for symmetric kernels of KS-2 space is presented, as a consequence, the representation theorem for the related reproducing kernel Hilbert space is obtained.