Abstract
The purpose of this note is to provide an axiomatic treatment of a generalization of the Pontryagin space concept to the case of degenerated inner product spaces.
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© 2005 Birkhäuser Verlag Basel/Switzerland
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Kaltenbäck, M., Winkler, H., Woracek, H. (2005). Almost Pontryagin Spaces. In: Gohberg, I., et al. Recent Advances in Operator Theory and its Applications. Operator Theory: Advances and Applications, vol 160. Birkhäuser Basel. https://doi.org/10.1007/3-7643-7398-9_12
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DOI: https://doi.org/10.1007/3-7643-7398-9_12
Publisher Name: Birkhäuser Basel
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