Tootfinder

[ April 28, 2025] CFP for publication or other deadline: null https://philevents.org/event/show/127622

The question of the child in Merleau-Ponty: readings and developments
The psychological and pedagogical reflections on childhood in the work of Maurice Merleau-Ponty have received little recognition and appreciation in the literature, although they offer a variety of possible insights and openings. These studies are mainly collected from courses held at the Collège de France between 1949 and 1952; they place the French philosopher in dialogue with the scientific context of the time. Following the thought of Ferdinand de Saussure, Claude Lévi-Strauss, and Jacque…

"Tiling with Three Polygons is Undecidable"
Erik D. Demaine; Stefan Langerman 17 Sep 2024
Abstract
We prove that the following problem is co-RE-complete and thus undecidable: given three simple polygons, is there a tiling of the plane where every tile is an isometry of one of the three polygons (either allowing or forbidding reflections)? This result improves on the best previous construction which requires five polygons.
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It remains open whether tiling …