On eigenvalues of meet and join matrices associated with incidence functions
Ilmonen, Pauliina; Haukkanen, Pentti (2007)
2007
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https://urn.fi/urn:isbn:978-951-44-7093-6
https://urn.fi/urn:isbn:978-951-44-7093-6
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In this paper we give lower bounds for the smallest eigenvalues of certain positive definite meet matrices with respect to f on any set S. We also estimate eigenvalues of meet matrices respect to any f on meet closed set S and with respect to semimultiplicative f on join closed set S. The same is carried out dually for join matrices.