Some New Characterizations of Intrinsic Transversality in Hilbert Spaces
Hieu Thao Nguyen (TU Delft - Team Raf Van de Plas, Can Tho University)
Hoa T. Bui (Curtin University)
Duy Cuong Nguyen (Can Tho University, Federation University Australia)
M.H.G. Verhaegen (TU Delft - Team Raf Van de Plas)
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Abstract
Motivated by a number of questions concerning transversality-type properties of pairs of sets recently raised by Ioffe and Kruger, this paper reports several new characterizations of the intrinsic transversality property in Hilbert spaces. New results in terms of normal vectors clarify the picture of intrinsic transversality, its variants and sufficient conditions for subtransversality, and unify several of them. For the first time, intrinsic transversality is characterized by an equivalent condition which does not involve normal vectors. This characterization offers another perspective on intrinsic transversality. As a consequence, the obtained results allow us to answer a number of important questions about transversality-type properties.
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