## Arkiv för Matematik

• Ark. Mat.
• Volume 51, Number 1 (2013), 99-123.

### Volume formula for a ℤ2-symmetric spherical tetrahedron through its edge lengths

#### Abstract

The present paper considers volume formulæ, as well as trigonometric identities, that hold for a tetrahedron in 3-dimensional spherical space of constant sectional curvature +1. The tetrahedron possesses a certain symmetry: namely rotation of angle π in the middle points of a certain pair of its skew edges.

#### Note

Supported by the Swiss National Science Foundation no. 200020-113199/1, RFBR no. 09-01-00255 and RFBR no. 10-01-00642.

#### Article information

Source
Ark. Mat., Volume 51, Number 1 (2013), 99-123.

Dates
Revised: 25 February 2011
First available in Project Euclid: 31 January 2017

https://projecteuclid.org/euclid.afm/1485907196

Digital Object Identifier
doi:10.1007/s11512-011-0148-2

Mathematical Reviews number (MathSciNet)
MR3029339

Zentralblatt MATH identifier
1268.51016

Rights

#### Citation

Kolpakov, Alexander; Mednykh, Alexander; Pashkevich, Marina. Volume formula for a ℤ 2 -symmetric spherical tetrahedron through its edge lengths. Ark. Mat. 51 (2013), no. 1, 99--123. doi:10.1007/s11512-011-0148-2. https://projecteuclid.org/euclid.afm/1485907196

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