163 citations · 327 across the 36 of their papers we have counts for
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math.CO2007
Algebras associated to acyclic directed graphs
Vladimir Retakh, Robert Lee Wilson
We construct and study a class of algebras associated to generalized layered graphs, i.e. directed graphs with a ranking function on their vertices. Each finite directed acyclic gr…
math.QA2007
Lie algebras and Lie groups over noncommutative rings
Arkady Berenstein, Vladimir Retakh
The aim of this paper is to introduce and study Lie algebras and Lie groups over noncommutative rings. For any Lie algebra sitting inside an associative algebra and any a…