Baptiste Serraille

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20242026

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math.SG2024

On certain $C^{0}$ -aspects of contactomorphism groups

Baptiste Serraille, Vukašin Stojisavljević

We study a number of questions related to the $C^{0}$ -topology of contactomorphisms and contact homeomorphisms. In particular, we show a connection between Rokhlin property of contac…

math.SG2024

The sharp $C^{0}$ -fragmentation property for Hamiltonian diffeomorphisms and homeomorphisms on surfaces

Baptiste Serraille

In this paper, we present a $C^{0}$ -fragmentation property for Hamiltonian diffeomorphisms. More precisely, it is known that for a given open covering $U$ of a compact symp…

On certain C0-aspects of contactomorphism groups

The sharp C0-fragmentation property for Hamiltonian diffeomorphisms and homeomorphisms on surfaces

On certain $C^{0}$ -aspects of contactomorphism groups

The sharp $C^{0}$ -fragmentation property for Hamiltonian diffeomorphisms and homeomorphisms on surfaces