Also, we construct some examples for these canal hypersurfaces and finally, we give some characterizations for tubular hypersurfaces in $E_{1}^{4}$.
📌 3 Key Takeaways
🎯
Objective & Hypothesis:In this paper, we obtain the parametric expressions of the canal hypersurfaces that are formed as the envelope of a family of pseudo hyperspheres or pseudo hyperbolic hyperspheres whose centers lie on a pseudo null, partially null or null curve in $E_{1}^{4}$ and give some geometric invariants such as unit normal vector fields, Gauss-Kronecker curvatures and mean curvatures of the ones generated by pseudo null and partially null curves.
📊
Key Findings & Data:In this paper, we obtain the parametric expressions of the canal hypersurfaces that are formed as the envelope of a family of pseudo hyperspheres or pseudo hyperbolic hyperspheres whose centers lie on a pseudo null, partially null or null curve in $E_{1}^{4}$ and give some geometric invariants such as unit normal vector fields, Gauss-Kronecker curvatures and mean curvatures of the ones generated by pseudo null and partially null curves.
💡
Conclusion & Impact:Also, we construct some examples for these canal hypersurfaces and finally, we give some characterizations for tubular hypersurfaces in $E_{1}^{4}$.
In this paper, we obtain the parametric expressions of the canal hypersurfaces that are formed as the envelope of a family of pseudo hyperspheres or pseudo hyperbolic hyperspheres whose centers lie on a pseudo null, partially null or null curve in $E_{1}^{4}$ and give some geometric invariants such as unit normal vector fields, Gauss-Kronecker curvatures and mean curvatures of the ones generated by pseudo null and partially null curves. Also, we construct some examples for these canal hypersurfaces and finally, we give some characterizations for tubular hypersurfaces in $E_{1}^{4}$.
Altın, M., Kazan, A., Yoon, D. W. (2026). Canal Hypersurfaces Generated by Pseudo Null, Partially Null and Null Curves in Lorentz-Minkowski 4-Space. International Electronic Journal of Geometry, Volume: 19 Issue: 2. https://doi.org/10.36890/iejg.1920156
Aksoyak, F. K., Gök, İ., İlarslan, K.: Generalized Null Bertrand Curves in Minkowski Space-Time. Ann. Alexandru Ioan Cuza Univ. Math. 60, 489–502 (2014). DOI:10.2478/auom-2013-0031
Akyiğit, M., Eren, K., Kosal, H. H.: Tubular Surfaces with Modified Orthogonal Frame in Euclidean 3-Space. Honam Math. J. 43 (3), 453–463 (2021). DOI:10.5831/HMJ.2021.43.3.453
Altın, M.: Rotational hypersurfaces generated by weighted mean curvature in $E_1^4$ with density. Thermal Science 26 (4A), 3043–3053 (2022). https://doi.org/10.2298/TSCI2204043A
Altın, M., Kazan, A., Karadağ, H. B.: Monge Hypersurfaces in Euclidean 4-Space with Density. Journal of Polytechnics 23 (1), 207–214 (2020). https://doi.org/10.2339/politeknik.634175
Altın, M., Kazan, A.: Rotational Hypersurfaces in Lorentz-Minkowski 4-Space. Hacettepe Journal of Mathematics and Statistics 50 (5), 1409–1433 (2021). https://doi.org/10.15672/hujms.826596
Altın, M., Kazan, A., Yoon, D. W.: Canal Hypersurfaces generated by Non-Null Curves in Lorentz-Minkowski 4-Space. Bull. Korean Math. Soc. 60 (5), 1299–1320 (2023). https://doi.org/10.4134/BKMS.b220680
Aydın, M. E., Mihai, I.: On certain surfaces in the isotropic 4-space. Mathematical Communications 22 (1), 41–51 (2017).
Bonnor, W. B.: Null curves in a Minkowski space-time. Tensor 20 (2), 229–242 (1969).
Bonnor, W. B.: Curves with null normals in Minkowski space-time. A random walk in relativity and cosmology, Wiley Eastern Limited, 33–47 (1985).
Chen, B. Y.: Pseudo-Riemannian Geometry, $\delta$-invariants and Applications. World Scientific (2011).
Doğan, E., Yaylı, Y.: Tubes with Darboux Frame. Int. J. Contemp. Math. Sci. 7 (16), 751–758 (2012).
Duggal, K. L., Bejancu, A.: Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications. Kluwer Academic Publishers, The Netherlands (1996).
Duggal, K. L., Jin, D. H.: Null Curves and Hypersurfaces of Semi-Riemannian Manifolds. World Scientific, Singapore (2007).
Duggal, K. L., Şahin, B.: Differential Geometry of Lightlike Submanifolds. Basel: Birkhäuser (2010).
Fu, X., Jung, S. D., Qian, J., Su, M.: Geometric Characterizations of Canal Surfaces in Minkowski 3-space. Bull. Korean Math. Soc. 56 (4), 867–883 (2019). https://doi.org/10.4134/BKMS.b180643
Garcia, R., Libre, J., Sotomayor, J.: Lines of Principal Curvature on Canal Surfaces in $R^3$. An. Acad. Brasil. Cienc. 78 (3), 405–415 (2006). DOI:10.1590/S0001-37652006000300002
Hartmann, E.: Geometry and Algorithms for Computer Aided Design. Dept. of Math. Darmstadt Univ. of Technology 95 (2003).
İzumiya, S., Takeuchi, M.: On caustics of submanifolds and canal hypersurfaces in Euclidean space. Topology and its Applications 159 (2), 501–508 (2012). https://doi.org/10.1016/j.topol.2011.09.025
İlarslan, K., Nešović, E.: Some Characterizations of Null, Pseudo Null and Partially Null Rectifying Curves in Minkowski Space-Time. Taiwanese Journal of Mathematics 12 (5), 1035–1044 (2008). https://doi.org/10.11650/twjm/1500547425
İlarslan, K., Nešović, E.: Some Characterizations of Pseudo and Partially Null Osculating Curves in Minkowski Space-Time. International Electronic Journal of Geometry 4 (2), 1–12 (2011). https://izik.org/JA4U3F4A
Karacan, M. K., Es, H., Yaylı, Y.: Singular Points of Tubular Surfaces in Minkowski 3-Space. Sarajevo J. Math. 2 (1), 73–82 (2006). https://doi.org/10.5644/SJM.02.1.08
Karacan, M. K., Tunçer, Y.: Tubular Surfaces of Weingarten Types in Galilean and Pseudo-Galilean. Bull. Math. Anal. Appl. 5 (2), 87–100 (2013).
Karacan, M. K., Yoon, D. W., Tunçer, Y.: Tubular Surfaces of Weingarten Types in Minkowski 3-Space. Gen. Math. Notes 22 (1), 44–56 (2014).
Karacan, M. K., Bükcü, B.: An alternative moving frame for a tubular surface around a spacelike curve with a spacelike normal in Minkowski 3-space. Rendiconti del Circolo Matematico di Palermo 57 (2), 193–201 (2008). https://doi.org/10.1007/s12215-008-0013-8
Kazan, A., Altın, M., Yoon, D. W.: Geometric Characterizations of Canal Hypersurfaces in Euclidean Spaces. Filomat 37 (18), 5909–5920 (2023). https://doi.org/10.2298/FIL23180909K
Kazan, A.: Canal Hypersurfaces according to one of the Extended Darboux Frame Field in Euclidean 4-Space. Thermal Science 26 (4A), 3029–3041 (2022). https://doi.org/10.2298/TSCI2204029K
Kızıltug, S., Dede, M., Ekici, C.: Tubular Surfaces with Darboux Frame in Galilean 3-Space. Facta Universitatis Ser. Math. Inform. 34 (2), 253–260 (2019). DOI:10.22190/FUMI1902253K
Kişi, İ., Öztürk, G., Arslan, K.: A new type of canal surface in Euclidean 4-space $E^4$. Sakarya University Journal of Science 23 (5), 801–809 (2019). https://doi.org/10.16984/saufenbilder.524471
Krivoshapko, S. N., Hyeng, C. A. B.: Classification of Cyclic Surfaces and Geometrical Research of Canal Surfaces. International Journal of Research and Reviews in Applied Sciences 12 (3), 360–374 (2012).
Walrave, J.: Curves and Surfaces in Minkowski Space. Doctoral thesis, KU Leuven, Faculty of Science, Leuven (1995).
Xu, Z., Feng, R., Sun, J.-G.: Analytic and Algebraic Properties of Canal Surfaces. J. Comput. Appl. Math. 195, 220–228 (2006). https://doi.org/10.1016/j.cam.2005.08.002
Yoon, D. W., Yüzbaşı, Z. K.: Tubular Surfaces with Galilean Darboux Frame in $G_3$. Journal of Mathematical Physics, Analysis, Geometry 15 (2), 278–287 (2019). https://doi.org/10.15407/mag15.02.278