On Spacelike $(1,3)$-Bertrand Curves in $E_{2}^{4}$

Tuba AĞIRMAN AYDIN, Hüseyin KOCAYİĞİT

Structure Functions of Cone Curves in $\mathbb{E}_2^3$ and $\mathbb{E}_2^4$

Na HU, Tingting ZHANG

On $f-$biharmonic Curves in the Three-dimensional Lorentzian Sasakian Manifolds

Murat ALTUNBAŞ

Harmonic Sections of Tangent Bundles with Horizontal Sasaki Gradient Metric

Abderrahım ZAGANE