Interval variety: Difference between revisions
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== Open questions == | == Open questions == | ||
* Why are (abstractly) SV4 circular words seemingly so rare? | * Why are (abstractly) SV4 circular words seemingly so rare? | ||
* Related may be the following conjecture: For a sufficiently long | * Related may be the following conjecture: For a sufficiently long ternary linear word, there exists ''k'' > 1 such that the interval class of ''k''-steps has at least 3 sizes and the interval class of (''k'' − 1)-steps also has at least 3 sizes. | ||
[[Category:Scale]] | [[Category:Scale]] | ||
[[Category:Interval]] | [[Category:Interval]] | ||
[[Category:Terms]] | [[Category:Terms]] | ||
[[Category:Articles with open problems]] | [[Category:Articles with open problems]] | ||