Ketov, Sergei V.; Lechtenfeld, Olaf; Parkes, Andrew J.
(College Park (Maryland) : American Physical Society, 1995)
The most general homogeneous monodromy conditions in N=2 string theory are classified in terms of the conjugacy classes of the global symmetry group U(1,1)⊗openZ2. For classes which generate a discrete subgroup Γ, the ...