46 citations · 122 across the 27 of their papers we have counts for
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math.GT2019★ 5 cited
Volume entropy semi-norm
Ivan Babenko, Stephane Sabourau
We introduce the volume entropy semi-norm in real homology and show that it satisfies functorial properties similar to the ones of the simplicial volume. Answering a question of M.…
math.DG2019★ 6 cited
Systolically extremal nonpositively curved surfaces are flat with finitely many singularities
Mikhail Katz, Stephane Sabourau
The regularity of systolically extremal surfaces is a notoriously difficult problem already discussed by M. Gromov in 1983, who proposed an argument toward the existence of -e…