| Professor Krishan L. Duggal: A Biographical Note | R. SHARMA, Bayram ŞAHİN | 1–3 |
| Differential Geometry of 1-type Submanifolds and Submanifolds with 1-type Gauss Map | Bang-yen CHEN, Erhan GÜLER, Yusuf YAYLI, Hasan Hilmi HACISALİHOĞLU | 4–47 |
| Some Characterizations of Translation Surface Generated by Spherical Indicatrices of Timelike Curves in Minkowski 3-space | Akhılesh YADAV, Ajay KUMAR YADAV | 48–61 |
| Spinor Representations of Positional Adapted Frame in the Euclidean 3-Space | Zehra İŞBİLİR, Kahraman Esen ÖZEN, Mehmet GÜNER | 62–72 |
| The Geometry of Vector Fields and Two Dimensional Heat Equation | Abdigappar NARMANOV, Eldor RAJABOV | 73–80 |
| On Generalized Darboux Frame of a Pseudo Null Curve Lying on a Lightlike Surface in Minkowski 3-space | Jelena DJORDJEVİĆ, Emilija NEŠOVİĆ | 81–94 |
| Metallic Riemannian Structures on the Tangent Bundles of Riemannian Manifolds with $g-$Natural Metrics | Murat ALTUNBAŞ | 95–103 |
| Operators Applied to Lifts with Respect to the Diagonal Lifts of Affinor Fields Along a Cross-Section on $T_{q}^{p}(M)$ | Haşim ÇAYIR, Behboudi ASL | 104–110 |
| The Spinor Expressions of Mannheim Curves in Euclidean 3-Space | Tülay ERİŞİR, Zeynep İSABEYOĞLU | 111–121 |
| Image Curves on the Parallel-like Surfaces in E³ | Semra YURTTANÇIKMAZ, Ömer TARAKCI | 122–131 |
| On the Geometry of Tangent Bundle and Unit Tangent Bundle with Deformed-Sasaki Metric | Abderrahım ZAGANE | 132–146 |
| Characterizations of Loxodromes on Rotational Surfaces in Euclidean 3-Space | Ferdağ KAHRAMAN AKSOYAK, Burcu BEKTAŞ DEMİRCİ, Murat BABAARSLAN | 147–159 |
| Existence and Uniqueness of Polyhedra with Given Values of the Conditional Curvature | Anvarjon SHARİPOV, Mukhamedali KEUNİMJAEV | 160–170 |
| An Investigation of Timelike Aminov Surface with respect to its Gauss Map in Minkowski Space-time | Sezgin BÜYÜKKÜTÜK | 171–180 |
| Killing Magnetic Curves in $\: \mathbb{H}^{3}$ | Zlatko ERJAVEC, Jun-ichi INOGUCHİ | 181–195 |
| A Note on Yamabe Solitons on 3-dimensional Almost Kenmotsu Manifolds with $\: \textbf{Q}\phi=\phi \textbf{Q}$ | Gopal GHOSH | 196–200 |
| Chen Inequalities for Isotropic Submanifolds in Pseudo-Riemannian Space Forms | Marius MİREA | 201–207 |
| Back to Almost Ricci Solitons | Vladimir ROVENSKİ, Sergey STEPANOV, Irina TSYGANOK | 208–214 |
| Graph Surfaces Invariant by Parabolic screw Motions with Constant Curvature in $ \: \mathbb H^2 \times \mathbb R$ | Uğur DURSUN | 215–224 |
| The Flow-geodesic Curvature and the Flow-evolute of Hyperbolic Plane Curves | Mircea CRASMAREANU | 225–231 |
| Weierstrass Representation of Lightlike Surfaces in Lorentz-Minkowski 4-Space | Davor DEVALD, Z. MİLİN SİPUS | 232–243 |
| Inequalities on Isotropic Submanifolds in Pseudo-Riemannian Space Forms | Alexandru CIOBANU | 244–253 |
| On Pointwise k-Slant Submanifolds of Almost Contact Metric Manifolds | Adara M. BLAGA, Dan Radu LATCU | 254–265 |
| Rigidity Results On Generalized m-Quasi Einstein Manifolds with Associated Affine Killing Vector Field. | Rahul PODDAR, Balasubramanian SUBRAMANİAN, R. SHARMA | 266–271 |
| Coordinates of the Midpoint of a Segment in an Extended Hyperbolic Space | Lyudmila N. ROMAKİNA | 272–282 |
| Clairaut Pointwise Slant Submersion from Locally Product Riemannian Manifolds | Murat POLAT | 283–294 |
| Some Aspects on a Special Type of $(\alpha,\beta )$-metric | Laurian-loan PISCORAN, Cătălin BARBU | 295–303 |
| On Isometric Immersions of Null Manifolds into Semi-Riemannian Space Forms of Arbitrary Index | Carlos AVİLA, Matias NAVARRO, Oscar PALMAS, Didier SOLİS | 304–333 |
| Ricci-Yamabe Solitons in f(R)-gravity | Krishnendu DE, U.c. DE | 334–342 |
| The Stability Problem of Certain Anti-Invariant Submanifolds in Golden Riemannian Manifolds | Mustafa GÖK, Erol KILIÇ | 343–348 |
| On Para-Sasakian Manifold with Respect to the Schouten-van Kampen Connection | Shivani SUNDRİYAL, Jaya UPRETİ | 349–357 |
| Mckean-type Estimates for the First Eigenvalue of the p-Laplacian and (p,q)-Laplacian Operators on Finsler Manifolds | Sakineh HAJİAGHASİ, Shahroud AZAMİ | 358–366 |
| Existence and Nonexistence of Warped Product Submanifolds of Almost Contact Manifolds | Abdulqader MUSTAFA, Cenap OZEL, Alexander PİGAZZİNİ, Richard PİNCAK | 367–378 |
| A Note on Some Generalized Curvature Tensor | Ryszard DESZCZ, Małgorzata GŁOGOWSKA, Marian HOTLOŚ, Miroslava PETROVİĆ-TORGAŠEV, Georges ZAFINDRATAFA | 379–397 |
| Inversions and Fractal Patterns in Alpha Plane | Özcan GELİŞGEN, Temel ERMİŞ | 398–411 |
| An almost Complex Structure with Norden Metric on the Phase Space | Cornelia-livia BEJAN, Galia NAKOVA | 412–416 |
| Normalized Null hypersurfaces of Indefinite Kähler Manifolds | Amrınder Pal SINGH, Cyriaque ATINDOGBE, Rakesh KUMAR, Varun JAİN | 417–434 |