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The twinning operation on graphs does not always preserve \(e\)-positivity - MaRDI portal

The twinning operation on graphs does not always preserve \(e\)-positivity (Q2078244)

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The twinning operation on graphs does not always preserve \(e\)-positivity
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    The twinning operation on graphs does not always preserve \(e\)-positivity (English)
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    28 February 2022
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    \(e\)-positivity
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    \(s\)-positivity
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    chromatic symmetric functions
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    chromatic symmetric functions in non-commuting variables
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    tadpole graphs
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    twinning operation
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