[Turkmath:9179] James Borger Cuma 15:00 IMBM

[Sinan Unver]

Değerli liste üyeleri,

Australian National University'den James Borger cuma günü
saat 3:00'de IMBM'de "Witt vectors and positivity" isimli konusma
yapacaktır.

Konuşmanın detaylarını aşağıda bulabilirsiniz.
İlgilenebilecek olanlara haber verirseniz sevinirim. Duyuru
ektedir.

selamlar,
Sinan

Title: Witt vectors and positivity

Abstract: The usual Witt vectors are closely related to p-adic phenomena.
The so-called big Witt vectors combine the usual ones for all primes p
simultaneously. If one compares this to adele rings, it is natural to ask
whether the big Witt vectors exhibit any phenomena related the infinite
prime (real analysis) such as positivity. It turns out that they do. I'll
explain how this lets us extend the big Witt functor to semirings, and I'll
discuss the Witt vectors of some classical arithmetic semirings, such as
the nonnegative real numbers, the natural numbers, and the Boolean semiring.
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