Abstract
In this paper, we consider surfaces in 4–dimensional pseudo–Riemannian space–forms with index 2. First, we obtain some of geometrical properties of such surfaces considering their relative null space. Then, we get classifications of quasi–minimal surfaces with positive relative nullity.
Original language | English |
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Article number | 124081 |
Journal | Journal of Mathematical Analysis and Applications |
Volume | 488 |
Issue number | 2 |
DOIs | |
Publication status | Published - 15 Aug 2020 |
Bibliographical note
Publisher Copyright:© 2020 Elsevier Inc.
Keywords
- Positive relative nullity
- Pseudo–Riemannian space forms
- Quasi–minimal surface