2 papers
math.CA2017
Conditions for the Absence of Blowing Up Solutions to Fractional Differential Equations
Paulo M. Carvalho Neto, Renato Fehlberg junior
When addressing ordinary differential equations in infinite dimensional Banach spaces, an interesting question that arises concerns the existence (or non existence) of blowing up s…
math.RA2013
Free structures in division rings
Renato Fehlberg Júnior
Makar-Limanov's conjecture states that if a division ring D is finitely generated and infinite dimensional over its center k then D contains a free k-subalgebra of rank 2. In this…