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20072026
most citedThe Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment

681 citations

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math.RT2020★ 3 cited

Hopf algebras on planar trees and permutations

Diego Arcis, Sebastián Márquez

We endow the space of rooted planar trees with an structure of Hopf algebra. We prove that variations of such a structure lead to Hopf algebras on the spaces of labelled trees, …

math.RT2020★ 5 cited

Tied Monoids

Diego Arcis, Jesús Juyumaya

We construct certain monoids, called tied monoids. These monoids result to be semidirect products finitely presented and commonly built from braid groups and their relatives acting…