-- invarints -- KNOT program group.sa -has group.sa KNOT_GROUP ppoly.sa -has ppoly.sa POLY2 PPOLY VPOLY APOLY CPOLY fpoly.sa -has fpoly.sa POLY3 FPOLY QPOLY parallel.sa -has parallel.sa PARALLEL_T goeritz.sa -has goeritz.sa G_CROSS GOERITZ_MAT alexmat.sa -has alexmat.sa ALEXMAT -- check cyclic period of knot symmet.sa -has symmet.sa SYMMET -- multivariable Alexander matrix alexmatm.sa -has alexmatm.sa ALEXMATM -- tunnel -- theta_apoly -- end module description --