Kádár, Z.; Loll, R. \((2+1)\) gravity for higher genus in the polygon model. (English) Zbl 1055.83028 Classical Quantum Gravity 21, No. 9, 2465-2491 (2004). MSC: 83C80 83C75 53C80 PDFBibTeX XMLCite \textit{Z. Kádár} and \textit{R. Loll}, Classical Quantum Gravity 21, No. 9, 2465--2491 (2004; Zbl 1055.83028) Full Text: DOI arXiv
Hollmann, Helia R.; Williams, Ruth M. Hyperbolic geometry in ’t Hooft’s approach to \((2+1)\)-dimensional gravity. (English) Zbl 0942.83049 Classical Quantum Gravity 16, No. 5, 1503-1518 (1999). MSC: 83C80 83C05 PDFBibTeX XMLCite \textit{H. R. Hollmann} and \textit{R. M. Williams}, Classical Quantum Gravity 16, No. 5, 1503--1518 (1999; Zbl 0942.83049) Full Text: DOI