Proc. Japan Acad. Ser. A Math. Sci. 89 (4), 55-59, (April 2013) DOI: 10.3792/pjaa.89.55
KEYWORDS: deformation, Discrete group, properly discontinuous action, homogeneous space, Heisenberg group, 32G08, 22E40, 22F30, 57S30
We study deformations of the discrete Heisenberg group acting properly discontinuously on the Heisenberg group from the left and right and obtain a complete description of the deformation space.