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JOURNALS // Matematicheskie Trudy // Archive

Mat. Tr., 2014 Volume 17, Number 2, Pages 184–206 (Mi mt274)

This article is cited in 7 papers

On the area of a trihedral on a hyperbolic plane of positive curvature

L. N. Romakina

Chernyshevsky Saratov State University, Saratov, Russia

Abstract: We prove a formula for the area of a trihedral on a hyperbolic plane $\widehat H$ of positive curvature via the angles at its vertices.

Key words: hyperbolic plane of positive curvature, de Sitter plane, trihedral, area of a trihedral.

UDC: 514.133

Received: 30.12.2013


 English version:
Siberian Advances in Mathematics, 2015, 25:2, 138–153

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