[Turkmath:7088] FGC-Higher Structures Seminars::George Raptis::01 April Tuesday, 2025 at 18:00 Istanbul time

[kazimilhan.ikeda]

Değerli Matematikçiler,

Aşağıda 1 Nisan 2025 saat 18:00'da çevrimiçi gerçekleşecek Feza Gürsey 
Fizik ve Matematik UygAr Merkezi Yüksek Yapılar Semineri konuşmasının 
detaylarını bulacaksınız...

İyi çalışmalar,
İlhan İkeda

---------------

Dear friends,

On the 1st of April 2025 Tuesday at 18:00 Istanbul/Thessaloniki local 
time, George Raptis from the Aristotle University of Thessaloniki will 
be the speaker of the Feza Gursey Center for Physics and Mathematics 
Higher Structures Research Group Seminars.

The details of George's seminar talk are as follows:

Speaker: George Raptis (Aristotle University of Thessaloniki)

Date: April 01, 2025, Tuesday.

Time: 18:00 Istanbul/Thessaloniki local time

Title: _From derivators and ∞-categories to ∞-derivators_

Abstract:
The theory of derivators is an approach to homotopical algebra that 
focuses on the idea of enhancing the classical homotopy category ho(C) 
of a homotopy theory C by the collection of the homotopy categories of 
diagrams in C all at once. The resulting objects turn out to be much 
richer than the homotopy category alone and this viewpoint has been 
useful for expressing homotopical universal properties. At the same 
time, this approach is different from (and less strong than) the methods 
of higher category theory - which has been developed and used in recent 
years for related purposes with great impact in various areas of 
research. I will survey the basic theory, applications and examples of 
derivators, and then I will discuss the general notion of an $\infty$ - 
derivator, as a natural higher categorical extension of ordinary 
derivators. This generalization is based on the use of the homotopy 
$n$-category, for $1 \leq n \leq \infty$, it bridges the gap between 
derivators and $\infty$-categories, and it provides a common framework 
of reference for both types of objects/approaches.

Zoom link details:
(As usual the Zoom link will be active 30 minutes before the seminar 
time; that is at 17:30 Istanbul/Thessaloniki time.)

Feza Gursey Center for Physics and Mathematics is inviting you to a 
scheduled Zoom meeting.

Topic: Higher Structures Seminars

Time: This is a recurring meeting Meet anytime (so Zoom link will be 
active at 17:30 on)

Join Zoom Meeting
https://ozyegin-edu-tr.zoom.us/j/93563904955?pwd=9xh1VJjxaaiShD7SmI0YLs3XemY1hQ.1

Meeting ID: 935 6390 4955
Passcode: 699568

Best regards,
Ilhan

Organized by Feza Gürsey Center for Physics and Mathematics.
Feza Gürsey Fizik ve Matematik UygAr Merkezi tarafından 
düzenlenmektedir.
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