Locally phi-symmetric normal almost contact metric manifolds of dimension 3. - Uday Chand De; Ahmet Yildiz; A. Funda Yaliniz (Appl. Math. Lett., 2009)

r-Almost Newton-Ricci solitons on Legendrian submanifolds of Sasakian space forms. - Uday Chand De; Mohammad Danish Siddiqi; Sudhakar Kumar Chaubey (Period. Math. Hung., 2022)

Projective Collineations in Warped Product Manifolds and (PRS)n Manifolds. - Sameh Shenawy; Uday Chand De; Nasser Bin Turki; Naeem Ahmad Pundeer (Symmetry, 2023)

Semi-Conformally Flat Singly Warped Product Manifolds and Applications. - Samesh Shenawy; Alaa Rabie; Uday Chand De; Carlo Mantica; Nasser Bin Turki (Axioms, 2023)

The Impact of Quasi-Conformal Curvature Tensor on Warped Product Manifolds. - Bang-Yen Chen; Sameh Shenawy; Uday Chand De; Alaa Rabie; Nasser Bin Turki (Axioms, 2024)