Michał Marcinkowski

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20242026

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math.GT2026

On quasimorphisms and distortion in homeomorphism groups

Michael Brandenbursky, Jarek Kedra, Michal Marcinkowski +1

Let $M$ be a smooth compact oriented connected manifold, and $Homeo_{0} (M, I^¼)$ the group of homeomorphisms of $M$ supported away from $\partial M,$ which preserve a Borel proba…

math.GT2024

Volume and Euler classes in bounded cohomology of transformation groups

Michael Brandenbursky, MichaÅ Marcinkowski

Let $M$ be an oriented smooth manifold, and $Homeo (M, I ¨ )$ the group of measure preserving homeomorphisms of $M$ , where $I ¨ $ is a finite measure induced by a volume f…