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Showing 2006 · math.COShow all
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math.CO2006
Bijections Between Multiparking Functions, Dirichlet Configurations, and Descending R-Traversals
Dimitrije Kostic
There are several combinatorial objects that are known to be in bijection to the spanning trees of a graph G. These objects include G-parking functions, critical configurations of…
math.CO2006★ 6 cited
Topological Criteria for Formal Arrangements
Stefan Ovidiu Tohaneanu
We prove a criterion for formality of arrangements, using a complex constructed from vector spaces introduced in \cite{bt}. As an application, we give a simple description of $…