Results 81 to 90 of about 1,254,431 (216)

Isoparametric hypersurfaces in product spaces of space forms

open access: yesDifferential Geometry and its Applications
We give a complete classification of isoparametric hypersurfaces in a product space $M^2_{κ_1}\times M^2_{κ_2}$ of $2$-dimensional space forms for $κ_i\in \{-1,0,1\}$ with $κ_1\neq κ_2$. In fact we prove that any isoparametic hypersurface in such a space has constant product angle function, which enables us to remove the condition of constant principal
Gao, Dong, Ma, Hui, Yao, Zeke
openaire   +3 more sources

Space and Matter in the Poetic and Artistic Perception of José Ángel Valente

open access: yesCastilla: Estudios de Literatura, 2015
The poetry of José Ángel Valente brings up fundamental issues of space and matter, combining the poetic voice with the artistic and philosophical thought.
Ching Yu Lin
doaj   +2 more sources

A complete minimal hypersurface in de Sitter space-time of the first kind

open access: yesДифференциальная геометрия многообразий фигур, 2018
In the present paper we prove that a complete spacelike minimal hypersurface in de Sitter space-time of the first kind is a spherical space form if it has an integrable p-power of its scalar curvature for some posi­tive p.
S. Stepanov, I. Tsyganok
doaj  

Spatialité du social et transactions

open access: yesSociologies, 2016
How can the material configuration of space be articulated with social reality? Theories of space endow social relations with a concrete form. Space is thus a resource available to be appropriated by actors engaged in any social transaction.
Jean Remy
doaj  

Study on the in-plane shear performance of spacer fabrics in composite forming

open access: gold, 2018
Veerakumar Arumugam   +4 more
openalex   +1 more source

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