Review Inquiries into the Idea of Space: Aurel Bejancu, A Biographical Note

Bogdan Suceava ^*

April 15, 2021 Page 1-5

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Review Recent Developments in Wintgen Inequality and Wintgen Ideal Submanifolds

Bang-yen Chen ^*

April 15, 2021 Page 6-45

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Research Article Some Results on Statistical Hypersurfaces of Sasakian Statistical Manifolds and Holomorphic Statistical Manifolds

Feng Wu , Yan Jıang , Liang Zhang ^*

April 15, 2021 Page 46-58

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Research Article On the Moduli Space of Flat Tori Having Unit Area

İsmail Sağlam ^*

April 15, 2021 Page 59-65

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Research Article Splitting of the Einstein Field Equations with Respect to the $(1+1+3)$ Threading of a $5D$ Universe

Aurel Bejancu , Hani Reda Farran ^*

April 15, 2021 Page 66-84

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Research Article A Note on Gradient Solitons in Three-Dimensional Riemannian Manifolds

Fatemah Mofarreh , U.c. De ^*

April 15, 2021 Page 85-90

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Research Article Remarks on Einstein Solitons with Certain Types of Vector Field

Adara-monica Blaga ^* , Dan Radu Laţcu

April 15, 2021 Page 100-105

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Research Article Canal Surface Whose Center Curve is a Hyperbolic Curve with Hyperbolic Frame

Ali Uçum ^*

April 15, 2021 Page 106-120

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Research Article Remarks on Scalar Curvature and Concircular Field Equation

Ramesh Sharma , Sharief Deshmukh

April 15, 2021 Page 121-124

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Research Article Three-Dimensional CR Submanifolds in $S^6(1)$ with Umbilical Direction Normal to $\mathcal{D}_3$

Djordje Kocic ^* , Miroslava Antic

April 15, 2021 Page 125-131

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Research Article Differential Geometry of Curves in Euclidean 3-Space with Fractional Order

Muhittin Evren Aydın ^* , Mehmet Bektaş , Alper Öğremiş , Asıf Yokuş

April 15, 2021 Page 132-144

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Research Article The Determinant Inner Product and the Heisenberg Product of $Sym(2)$

Mircea Crasmareanu ^*

April 15, 2021 Page 145-156

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Research Article Some Results of $f$-Harmonic and Bi-$f$-Harmonic Maps with Potential

Zegga Kaddour ^*

April 15, 2021 Page 157-166

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Research Article The Deformation of an $(\alpha, \beta)$-Metric

Laurian-loan Pıscoran , Najafi Behzad , Cătălin Barbu , Tabatabaeifar Tayebeh

April 15, 2021 Page 167-173

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Research Article Some Myers-Type Theorems and Comparison Theorems for Manifolds with Modified Ricci Curvature

Issa A. Kaboye , Mahamane Mahi Harouna , Mahaman Bazanfaré ^*

April 15, 2021 Page 174-182

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Research Article Berger Type Deformed Sasaki Metric and Harmonicity on the Cotangent Bundle

Abderrahim Zagane ^*

April 15, 2021 Page 183-195

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Research Article Hyperbolic Raisa Orbits of the Second Order in an Extended Hyperbolic Plane

Lyudmila N. Romakina ^*

April 15, 2021 Page 194-206

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Research Article Screen Semi-Invariant Lightlike Submanifolds of Golden Semi-Riemannian Manifolds

Nergiz Poyraz ^*

April 15, 2021 Page 207-216

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Research Article On Homogeneous Randers Metrics

Akbar Sadighi , Megerdich Toomanian ^* , Behzad Najafi

April 15, 2021 Page 217-225

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Research Article A Note on Centres in a Chain of Circles

Akos G.horváth

April 15, 2021 Page 226-230

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Conference Paper The Sampson Laplacian on Negatively Pinched Riemannian Manifolds

Vladimir Rovenski ^* , Sergey Stepanov , Irina Tsyganok

April 15, 2021 Page 91-99

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