Seminars are given every Friday from 2:00 to 3:00 (usually in room 178, but not for the time being). You are welcome 10 minutes earlier for tea, coffee and cake.

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Next talks:

The online talks are available here : https://webconf.u-bordeaux.fr/b/mar-ef4-zed.

Vendredi 08 Novembre à 14h - Jedrzej Hodor
Planarity and dimension
There are various parameters used to measure the complexity of posets (partially ordered sets), and many intriguing questions arise when exploring the relationships between these parameters. Our focus is on the complexity of posets that can be drawn in the plane, analogous to planar graphs. The parameters we discuss include dimension, number of minimal elements, standard example number, and boolean dimension.