Showing 2015Show all
2 papers · 1 filter
math.AC2015
Counting Square free Cremona monomial maps
Barbara Costa, Thiago Dias, Rodrigo Gondim
We use combinatorics tools to reobtain the classification of monomial quadratic Cremona transformations in any number of variables given in \cite{SV2} and to classify and count squ…
math.DS2015
New equations for central configurations and generic finiteness
Thiago Dias
We consider the finiteness problem for central configurations of the body problem. We prove that, for , there exists a (Zariski) closed subset in the mass space $\m…