Marginally Trapped Surfaces and Kaluza-Klein Theory

Bang-yen CHEN

On Trigonometric Functions and Cosine and Sine Rules in Taxicab Plan

Ayşe BAYAR, Süheyla EKMEKÇİ, Münevver ÖZCAN

On Some Problems Connected with the Tangency of Sets in Generalized Metric Spaces

Tadeusz KONİK

Constancy of ϕ-Holomorphic Sectional Curvature for Indefinite Sasakian Manifolds

Rakesh KUMAR, Rachna RANİ, R. K. NAGAİCH

Screen Slant Lightlike Submanifolds

Bayram ŞAHİN

Polynomial Poly-Vector Fields

Frank KLİNKER

g-Natural Metrics of Constant Sectional Curvature on Tangent Bundles

S. DEGLA, J.p. EZİN, L. TODJİHOUNDE

CR-Submanifolds of Lorentzian Manifolds

Pablo ALEGRE