3 papers
math.OC2026
Hub location problems with asymmetric allocation
I. Espejo, M. Landete, M. Leal +1
Hub location problems are central to optimizing logistics, telecommunications, and transportation networks by consolidating flows through strategically placed hubs. While existing…
q-bio.PE2020
Nocturnality, seasonality and the SARS-CoV-2 Ecological Niche
Geraldine Finlayson, Stewart Finlayson, Clive Finlayson +7
Understanding the behaviour of hosts of SARS-CoV-2 is crucial to our understanding of the virus. A comparison of environmental features related to the incidence of SARS-CoV-2 with…
math.GR2005
Groups of units of integral group rings commensurable with direct products of free-by-free groups
Eric Jespers, Antonio Pita, Angel del Rio +2
We classify the finite groups such that the group of units of the integral group ring has a subgroup of finite index which is a direct product of free-by-free g…