Generator-offset property: Difference between revisions
| Line 32: | Line 32: | ||
# ''S'' is of the form ''ax by bz'' for some permutation (''x'', ''y'', ''z'') of (L, M, s). | # ''S'' is of the form ''ax by bz'' for some permutation (''x'', ''y'', ''z'') of (L, M, s). | ||
# The length of ''S'' is either odd, or 4 (and ''S'' is of the form ''xyxz''). | # The length of ''S'' is either odd, or 4 (and ''S'' is of the form ''xyxz''). | ||
# S = aX bY bZ is obtained from the (single-period) mos aX 2bW by replacing all the W's successively with alternating Y's and Z's (or alternating Z's and Y's for the other chirality). | # S = aX bY bZ is obtained from some mode of the (single-period) mos aX 2bW by replacing all the W's successively with alternating Y's and Z's (or alternating Z's and Y's for the other chirality, fixing the mode of aX 2bW). | ||
# The two alternants differ by replacing one Y with a Z. | # The two alternants differ by replacing one Y with a Z. | ||
# ''S'' is pairwise-mos. That is, the following operations result in a mos: setting L = M, setting L = s, and setting M = s. | # ''S'' is pairwise-mos. That is, the following operations result in a mos: setting L = M, setting L = s, and setting M = s. | ||