Arithmetical Functions and Distributivity
Canadian mathematical bulletin, Tome 13 (1970) no. 4, pp. 491-496
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In this note we shall present a result about incidence functions on a locally finite partially ordered set, a result which is related to theorems of Lambek [2] and Subbarao [6]. Our terminology and notation will be that of Smith [4, 5] and Rota [7].Let (L, ≤) be a partially ordered set which is locally finite in the sense that for all x, y ∊ L the interval [x, y] = {z | x ≤ z ≤ y} is finite. Denote by A(L, ≤) the set of functions f from L × L into some field, which is fixed once and for all, such that f(x, y) = 0 whenever x ≰ y.
McCarthy, P. J. Arithmetical Functions and Distributivity. Canadian mathematical bulletin, Tome 13 (1970) no. 4, pp. 491-496. doi: 10.4153/CMB-1970-089-8
@article{10_4153_CMB_1970_089_8,
author = {McCarthy, P. J.},
title = {Arithmetical {Functions} and {Distributivity}},
journal = {Canadian mathematical bulletin},
pages = {491--496},
year = {1970},
volume = {13},
number = {4},
doi = {10.4153/CMB-1970-089-8},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-089-8/}
}
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