Dear Colleagues, I have placed the slides used today at Lou Kauffman's seance to researchgate. the DOI is 10.13140/RG.2.2.17039.09124 Karl -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listas.unizar.es/pipermail/fis/attachments/20250207/ead7abfc/attachment.html>