3 papers
math.GT2026
Extending free actions of finite groups on unoriented surfaces
Omar A. Cruz, Gustavo Ortega, Carlos Segovia
We present the unoriented versions of the Schur and Bogomolov multipliers associated with a finite group . We show that the unoriented Schur multiplier is isomorphic to the seco…
math.NT2026
The Riemann Hypothesis in Oaxaca
Carlos Segovia
An equivalence of the Riemann Hypothesis (RH) enables a direct bridge to the Young lattice. In specific, the classical threshold $\lim_{n\to\infty} Ï(n)/(n \log\log n) = e^γ \app…
q-bio.PE2025
Petri nets in epidemiology
Carlos Segovia
This work provides a geometric version of the next-generation matrix method for obtaining the basic reproduction number of an epidemiological model. We exhibit a certain correspond…