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of 4
pro vyhledávání: '"Lisa DeMeyer"'
Publikováno v:
Advances in Geometry. 18:265-284
Dani and Mainkar introduced a method for constructing a 2-step nilpotent Lie algebra 𝔫 G from a simple directed graph G in 2005. There is a natural inner product on 𝔫 G arising from the construction. We study geometric properties of the associa
Autor:
Anna Schneider, Lisa DeMeyer
Publikováno v:
Journal of Algebra. 469:402-420
In this paper, we associate an undirected graph AG ( S ) , the annihilating-ideal graph, to a commutative semigroup S. This graph has vertex set A ⁎ ( S ) = A ( S ) ∖ { ( 0 ) } , where A ( S ) is the set of proper ideals of S with nonzero annihil
Autor:
Lisa DeMeyer, Frank DeMeyer
Publikováno v:
Journal of Algebra. 283(1):190-198
The zero divisor graph of a commutative semigroup with zero is a graph whose vertices are the nonzero zero divisors of the semigroup, with two distinct vertices joined by an edge in case their product in the semigroup is zero. We continue the study o
Publikováno v:
Rocky Mountain J. Math. 40, no. 5 (2010), 1481-1503