3 papers
math.CO2024
Operad of posets 101: The Wixárika posets
José Antonio Arciniega-Nevárez, Marko Berghoff, Eric Rubiel Dolores-Cuenca
We study classes of objects whose combinatorics are closely related to those of posets. The framework of operads and operad algebras allows us to make this relationship precise and…
math.DG2023
Cheeger-Chern-Simons classes of representations of finite subgroups of and the spectrum of rational double point singularities
José Antonio Arciniega-Nevárez, José Luis Cisneros-Molina, Agustín Romano-Velázquez
Let be a compact oriented -manifold and a representation. Evaluating the Cheeger-Chern-Simons class $\widehat{c}_{ρ,k}\in H^{2k-…
math.QA2022
Virtual posets, shuffle algebras and associators
José A. Arciniega-Nevárez, Marko Berghoff, Eric Dolores-Cuenca
We provide a method to construct new associators out of Drinfel'd's KZ associator. We obtain two analytic families of associators whose coefficients we can describe explicitly by a…