![Strong primeness for equivalence relations arising from Zariski dense subgroups](/media/cache/video_light/uploads/video/Capture%20d%E2%80%99%C3%A9cran%202024-06-14%20%C3%A0%2010.01.07.png)
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Strong primeness for equivalence relations arising from Zariski dense subgroups
De Cyril Houdayer
![Non tame cocycle rigidity above affine unipotent abelian actions on the torus](/media/cache/video_light/uploads/video/Capture%20d%E2%80%99%C3%A9cran%202024-06-13%20%C3%A0%2010.09.15.png)
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Non tame cocycle rigidity above affine unipotent abelian actions on the torus
De Bassam Fayad
Apparaît dans la collection : Complexity of Simple Dynamical Systems / Complexité des Systèmes Dynamiques Simples - Week 3
Deciding whether two one-dimensional subshifts are conjugate remains one of the most important question in symbolic dynamics. In this talk, we will highlight a new approach, using the diagrammatic calculus approach popular in category theory and especially in categorical quantum mechanics. We will explain how matrices (and subshifts of finite type) can be represented graphically and how this representation may help us find new conjugacy invariants.