3 papers
astro-ph.HE2026
GeV emission in the region of Vela: a new view of the supernova remnant
Miguel Araya, Santiago Ramírez, Diego Bueso +1
The Vela supernova remnant (SNR), G263.9-3.3, and its pulsar wind nebula (PWN), Vela X, is one of the closest such systems, and it has been studied using observations across the el…
math.QA2023
On uniconnected solutions of the Yang-Baxter equation and Dehornoy's class
Marco Castelli, Santiago Ramírez
In the first part, we focus on indecomposable involutive solutions of the Yang-Baxter equation whose permutation group forces them to be uniconnected. Indecomposable involutive sol…
astro-ph.SR2023
New Spectroscopy of U Gem
J. Echevarría, S. H. Ramírez, M. Fuentes +3
We present new optical spectroscopic observations of U Geminorum obtained during a quiescent stage. We performed a radial velocity analysis of three Balmer emission lines yielding…