Paper's Title:

The Concept of Convergence for 2-Dimensional Subspaces Sequence in Normed Spaces

Author(s):

M. Manuharawati, D. N. Yunianti, M. Jakfar

Mathematics Department, Universitas Negeri Surabaya,
Jalan Ketintang Gedung C8,
Surabaya 60321,
Indonesia.
E-mail: manuharawati@unesa.ac.id, dwiyunianti@unesa.ac.id,
muhammadjakfar@unesa.ac.id

Abstract:

In this paper, we present a concept of convergence of sequence, especially, of 2-dimensional subspaces of normed spaces. The properties of the concept are established. As consequences of our definition in an inner product space, we also obtain the continuity property of the angle between two 2-dimensional subspaces of inner product spaces.

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