نتایج جستجو برای: group induced cone ordering

تعداد نتایج: 1951077  

Journal: :Symmetry 2023

Topological spaces can be induced by various algebraic ordering relations such as, linear, partial and the inclusion-ordering of open sets forming chains chain complexes. In general, classifications covering are made using fundamental groups lifting. However, Riesz ordered n-spaces Urysohn interpretations real-valued continuous functions as provide new perspectives. This paper proposes formulat...

2001
R. Aldrovandi A. L. Barbosa M. Calçada J. G. Pereira

A solution of the sourceless Einstein's equation with infinite values for the cosmological constant Λ and for the speed of light c is discussed by using Inönü–Wigner contractions of the de Sitter groups and spaces. When Λ → ∞, spacetime becomes a four–dimensional cone, dual to Minkowski space by a spacetime inversion. This inversion relates the four–cone vertex to the infinity of Minkowski spac...

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