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math.DG2026
First Chen Inequality for CR-Warped Product Submanifolds of a Complex Space Form and Applications
Abdulqader Mustafa, Monika Sati, Uday Chand De +2
In this paper, the first Chen inequality is proved for CR-warped product submanifolds in complex space forms. This inequality involves intrinsic invariants (a leaf-wise -invari…
math.DG2025
A note on the theoretical approach to Grassmannians and Plücker coordinates for additive skew-symmetric pairwise comparisons matrices
Waldemar W. Koczkodaj, Witold Pedrycz, Alexander Pigazzini +2
Symmetry and antisymmetry are fundamental concepts in many strict sciences. Pairwise comparisons (PC) matrices are fundamental tools for representing pairwise relations in decision…
math.DG2024
Einstein warped-product manifolds and the screened Poisson equation
Alexander Pigazzini, Luca Lussardi, Magdalena Toda +1
We study a particular type of Einstein warped-product manifold where the warping function must satisfy the homogeneous version of the screened Poisson equation. Under these assumpt…