Most accounts of Hermann Weyl's objections to the Dedekind continuum treat them as episodes in the foundations of mathematics. This essay takes a different route. Beginning with Weyl's dissatisfaction with impredicative definitions, it follows a path through intuitionism, Husserlian phenomenology, and Riemannian geometry to ask a broader question: what if continuity is not a completed object but an ongoing achievement?

https://thestoicanchor.substack.com/p/the-problem-of-the-dedekind-cut-in

#philosophy #temporality #Weyl #Husserl

The Problem of the Dedekind Cut in Weyl

Measuring Without Points: Riemann, Weyl, and the Metric Field

Bilingual Phenomenology

[19:00] 12 april is voor de Joodse Eva Weyl belangrijker dan 5 mei: 'Er werd gekust bij het leven'

Ieder jaar denkt Weyl samen met vriendin Hans Dresden terug aan wat er allemaal is gebeurd.

https://www.rtvdrenthe.nl/nieuws/17384111/12-april-is-voor-de-joodse-eva-weyl-belangrijker-dan-5-mei-er-werd-gekust-bij-het-leven

#Weyl #HansDresden

12 april is voor de Joodse Eva Weyl belangrijker dan 5 mei: 'Er werd gekust bij het leven'

Ieder jaar denkt Weyl samen met vriendin Hans Dresden terug aan wat er allemaal is gebeurd.

RTV Drenthe
#Erinnerung und #Begegnung: www.zweitzeugen.de: der Verein hat das Konzept Zweitzeugen hervorgebracht, maßgeblich vorangetrieben durch Eva Weyl, Der Vater von Eva Weyl ging in Kleve zur Schule. Der Großvater führte das Kaufhaus #Weyl in #Kleve. Eva Weyl hatte eine Videobotschaft zur Gedenkveranstaltung in der Realschule am 27. Januar 2025 geschickt.
Quote of the day: "Ultimately it must turn out that action densities must not be glued together additively. I too, concocted various things, but time and again I sank my head in resignation" 1918 #Einstein in a letter to #Weyl. #GeneralRelativity #Physics
- #Weyl group W is isomorphic to the symmetric group Sn on n letters, with #permutation matrices as representatives
Anyone out there read 'Radical Markets' by #posner and #weyl ? http://radicalmarkets.com/ can you recommend? I'm mostly interested as Weyl developed and in the book promotes #quadraticVoting
Radical Markets

Radical Markets
#Hodge considered new proof much superior, a serious flaw was discovered by Bohnenblust. Independently, #Weyl and Kunihiko Kodaira modified Hodge's proof to repair error. This established Hodge's sought-for #isomorphism between harmonic forms and #cohomology classes.
#Hodge considered new proof much superior, a serious flaw was discovered by Bohnenblust. Independently, #Weyl and Kunihiko Kodaira modified Hodge's proof to repair error. This established Hodge's sought-for #isomorphism between harmonic forms and #cohomology classes.
The group of isometries of (roots:non 0 vectors )generated by reflections through hyperplanes associated to the roots of Φ is called the #Weyl group of Φ.
The group of isometries of (roots:non 0 vectors )generated by reflections through hyperplanes associated to the roots of Φ is called the #Weyl group of Φ.