Vertex Operator Representations of su(2) k Kac-Moody Algebra

von Sakamoto, M.
Veröffentlicht in Workshop Superstrings and Conformal Field Theories (1990 : Tsukuba) Proceedings of the workshop "Superstrings and Conformal Field Theories" (1991)

Symmetries Between Twisted and Untwisted Strings on Asymmetric Orbifolds

von Imanura, Y.
Veröffentlicht in Workshop Superstrings and Conformal Field Theories (1990 : Tsukuba) Proceedings of the workshop "Superstrings and Conformal Field Theories" (1991)