Volume 89 Issue 4 | Proceedings of the Japan Academy, Series A, Mathematical Sciences

VOL. 89 · NO. 4 | April 2013

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Articles

Deformations of the discrete Heisenberg group

Severin Barmeier

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

Linking numbers for handlebody-links

Atsuhiko Mizusawa

Proc. Japan Acad. Ser. A Math. Sci. 89 (4), 60-62, (April 2013) DOI: 10.3792/pjaa.89.60

KEYWORDS: handlebody-knot, handlebody-link, linking number, elementary divisor, 57M27, 57M15, 57M25

KEYWORDS/PHRASES