2 papers
math.GR2020
Towers and elementary embeddings in toral relatively hyperbolic groups
Christopher Perez
In a remarkable series of papers, Zlil Sela classified the first-order theories of free groups and torsion-free hyperbolic groups using geometric structures he called towers. It wa…
cs.IT2011
Codes as fractals and noncommutative spaces
Matilde Marcolli, Christopher Perez
We consider the CSS algorithm relating self-orthogonal classical linear codes to q-ary quantum stabilizer codes and we show that to such a pair of a classical and a quantum code on…