40 citations · 154 across the 41 of their papers we have counts for
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math.CO2015★ 1 cited
Action graphs and Catalan numbers
Gerardo Alvarez, Julia E. Bergner, Ruben Lopez
We introduce an inductively defined sequence of directed graphs and prove that the number of edges added at step is equal to the th Catalan number. Furthermore, we establish…
math.AT2015
Equivariant complete Segal spaces
Julia E. Bergner, Steven Greg Chadwick
In this paper we give a model for equivariant -categories. We modify an approach of Shimakawa for equivariant -spaces to the setting of simplicial spaces. We then a…