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Fakultät für Mathematik Universität Regensburg
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Efimov K-theory
Semester
WiSe 2026 / 27

Lecturer
Marc Hoyois

Type of course (Veranstaltungsart)
Oberseminar

German title
Efimov-K-Theorie

Contents

The goal of this seminar is to learn Efimov's continuous K-theory of dualizable stable categories. We will first study compactly assembled and dualizable categories, and construct the extension of localizing invariants to dualizable categories. We will then compute the continuous K-theory of locally compact Hausdorff spaces, as well as Lehner’s generalization of the latter to stably compact spaces.



Literature
Alexander I. Efimov, K-theory and localizing invariants of large categories
Georg Lehner, Algebraic K-theory of stably compact spaces

Time/Date
Tue 14-16

Location
M311 and online

Course homepage
https://hoyois.app.uni-regensburg.de/WS27/efimov/index.html
(Disclaimer: Dieser Link wurde automatisch erzeugt und ist evtl. extern)

Registration
  • Registration for course work/examination/ECTS: FlexNow
Course work (Studienleistungen)
  • Presentation: Giving a seminar talk of roughly 90 minutes
Examination (Prüfungsleistungen)
  • Detailed written report of the seminar talk
Modules
MV, MSem

ECTS
4,5
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