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Figure 2
The 23 four-dimensional families, in rows according to the order of the holohedral point group, and in columns according to the R-reducibility. Lines separate families with different numbers of free parameters (indicated in the circles). |
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Figure 2
The 23 four-dimensional families, in rows according to the order of the holohedral point group, and in columns according to the R-reducibility. Lines separate families with different numbers of free parameters (indicated in the circles). |