A note on Möbius functions of upho posets (Q2144324)
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scientific article; zbMATH DE number 7541144
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A note on Möbius functions of upho posets |
scientific article; zbMATH DE number 7541144 |
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A note on Möbius functions of upho posets (English)
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13 June 2022
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Summary: A poset is called upper homogeneous (or ``upho'') if every principal order filter of the poset is isomorphic to the whole poset. We observe that the rank and characteristic generating functions of upho posets are multiplicative inverses of one another.
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